HP AlphaServer 4000 Servisní příručka

AlphaServer 4000/4100Service ManualOrder Number: EK–4100A–SV. B01This manual is for anyone who services an AlphaServer 4000/4100pedestal or cabinet sy

x2-2 SROM Tests...2-102-3 XSROM Tests...

4-6 AlphaServer 4000/4100 Service Manual4.3 Power Circuit and Cover InterlocksFigure 4-3 Power Circuit DiagramOCPLogicOCPSwitchPower SupplyBB330

Power System 4-7Figure 4-3 shows the distribution of power thoughout the system drawer.Opens in the circuit or the PCM signal POWER_FAULT_L or the

4-8 AlphaServer 4000/4100 Service Manual4.4 Power-Up/Down SequenceThe On/Off button can be controlled manually or remotely. The button is onthe O

Power System 4-9When AC is applied to the system, Vaux (auxiliary voltage) is asserted and is sensedby the PCM. The PCM asserts DC_ENABLE_L start

4-10 AlphaServer 4000/4100 Service Manual4.5 Cabinet Power Configuration RulesThere are four cabinets with different power delivery systems. See

Power System 4-11Figure 4-6 Worst-Case -EB & -EC Cabinet Power ConfigurationStorageWorks StorageWorksSystem DrawerSystem DrawerSystem DrawerS

4-12 AlphaServer 4000/4100 Service ManualFigure 4-7 -EL & -EM Single Drawer Cabinet Power Configuration (Single drawer -EM shown with

Power System 4-13Figure 4-8 -EL Three Drawer Cabinet Power Configuration (Three drawer -EL shown with H7600-AA controller)StorageWorksSto

4-14 AlphaServer 4000/4100 Service Manual4.6 Pedestal Power Configuration Rules (NorthAmerica and Japan)Figure 4-9 Pedestal Power Distribution (N

Power System 4-154.7 Pedestal Power Configuration Rules (Europeand Asia Pacific)Figure 4-10 Pedestal Power Distribution (Europe and AP)StorageWo

xiPrefaceIntended AudienceThis manual is written for the customer service engineer.Document StructureThis manual uses a structured documentation desig

Error Logs 5-1Chapter 5Error LogsThis chapter provides information on troubleshooting with error logs. The followingtopics are covered:• Using Er

5-2 AlphaServer 4000/4100 Service Manual5.1 Using Error LogsError detection is performed by CPUs, the IOD, and the EISA to PCI busbridge. (The IO

Error Logs 5-3 Lines Protected DeviceECC ProtectedSystem bus data lines IOD on every transaction,CPU when using the busB-ca

5-4 AlphaServer 4000/4100 Service Manual5.1.1 Hard ErrorsThere are two categories of hard errors:• System-independent errors detected by the CPU.

Error Logs 5-55.1.3 Error Log EventsSeveral different events are logged by OpenVMS and DIGITAL UNIX. WindowsNT does not log errors in this fashio

5-6 AlphaServer 4000/4100 Service Manual5.2 Using DECeventDECevent produces bit-to-text ASCII reports derived from system event entriesor user-supp

Error Logs 5-75.2.1 Translating Event FilesTo produce a translated event report using the default event log file,SYS$ERRORLOG:ERRLOG.SYS, enter th

5-8 AlphaServer 4000/4100 Service ManualTo reverse the order of the input eventsOpenVMS$ DIAGNOSE/TRANSLATE/REVERSEDIGITAL UNIX> dia -RThese com

Error Logs 5-9Use the /BEFORE and /SINCE qualifiers to select events before or after a certaindate and time.OpenVMS$ DIAGNOSE/TRANSLATE/BEFORE=15-J

xii• Appendix B, SRM Console Commands and Environment Variables,summarizes the commands used to examine and alter the system configuration.• Appendix

5-10 AlphaServer 4000/4100 Service Manual5.2.3 Selecting Alternative ReportsTable 5-2 describes the DECevent report formats. Report formats are m

Error Logs 5-115.3 Error Log Examples and AnalysisThe following sections provide examples and analysis of error logs.5.3.1 MCHK 670 CPU-Detected

5-12 AlphaServer 4000/4100 Service ManualExample 5-1 MCHK 670Logging OS 2. DIGITAL UNIXSystem Architecture 2

Error Logs 5-13 TEST_STATUS_H Pin AssertedIcache Par Err Stat Reg x00000000Dcache Par Err Stat Reg x0000000

5-14 AlphaServer 4000/4100 Service Manual MC_Command x00000008 Device Id x0

Error Logs 5-15 Cycle 2 ECC Syndrome x00000000 Cycle 3 ECC Syndrome x000000

5-16 AlphaServer 4000/4100 Service Manual5.3.2 MCHK 670 CPU and IOD-Detected FailureThe error log in Example 5-2 shows the following:➊ CPU3 logged

Error Logs 5-17Example 5-2 MCHK 670 CPU and IOD-Detected FailureLogging OS 2. DIGITAL UNIXSystem Architecture

5-18 AlphaServer 4000/4100 Service ManualDcache Par Err Stat Reg x00000000Virtual Address Reg x00000001407D6000Memory Mgmt Flt Sts Reg x0

Error Logs 5-19MC Error Info Register 0 x28681A80 MC bus trans addr <31:4> x028681A8 ➏MC Error Info Register 1 x800FD800 MC bus tr

xiiiInformation on the InternetUsing a Web browser you can access the AlphaServer InfoCenter at:http://www.digital.com/info/alphaserver/products.htmlA

5-20 AlphaServer 4000/4100 Service Manual MC_Command x00000018 ➍

Error Logs 5-215.3.3 MCHK 670 Read Dirty CPU-Detected FailureThe error log in Example 5-3 shows the following:➊ CPU0 logged the error in a system

5-22 AlphaServer 4000/4100 Service ManualExample 5-3 MCHK 670 Read Dirty FailureLogging OS 2. DIGITAL UNIXSystem Architect

Error Logs 5-23 Floating Point Instructions will cause FEN Exceptions.

5-24 AlphaServer 4000/4100 Service Manual Bridge to PCI Transactions: Enabled

Error Logs 5-25 PCI Class Code x00000600MC-PCI Command Register x06480FF1 Module SelfTest Passed

5-26 AlphaServer 4000/4100 Service Manual5.3.4 MCHK 660 IOD-Detected Failure (System Bus Error)The error log in Example 5-4 shows the following:➊

Error Logs 5-27 Example 5-4 MCHK 660 IOD-Detected Failure (System Bus Error)Logging OS 2. DIGITAL UNIXSystem Architecture

5-28 AlphaServer 4000/4100 Service Manual RA Field x0000000006 Opcode Fiel

Error Logs 5-29PCI Bus Trans Error Adr x00000000MDPA Status Register x80000000 MDPA Chip Revision x00000000

5-30 AlphaServer 4000/4100 Service Manual MDPA Error Syndrome of uncorrecta

Error Logs 5-315.3.5 MCHK 660 IOD-Detected Failure (PCI Error)The error log in Example 5-5 shows the following:➊CPU 0 logged the error in a system

5-32 AlphaServer 4000/4100 Service ManualEsample 5-5 MCHK 660 IOD-Detected Failure (PCI Error)Logging OS 2. DIGITAL UNIXSy

Error Logs 5-33PALTEMP21 xFFFFFC000043CD40PALTEMP22 xFFFFFC000058D540PALTEMP23 x000000007FC67A58Exc

5-34 AlphaServer 4000/4100 Service Manual PCI Class Code x00000600MC-PCI Command Register x06470FB1

Error Logs 5-35 RD_TYPE Memory Prefetch Algorithm: Short RL_TYPE Mem Rd Line Prefetch Type:

5-36 AlphaServer 4000/4100 Service ManualBase Address Register 6 x00000000Expansion Rom Base Addres x00000000Interrupt P1 x04I

Error Logs 5-37 Fast Back-to-Back to Different Targets, Is Not Supported in Target Device.

5-38 AlphaServer 4000/4100 Service ManualCommand Register x0147 I/O Space Accesses Response: Enabled Memory Space A

Error Logs 5-395.3.6 MCHK 630 Correctable CPU ErrorThe error log in Example 5-6 shows the following:➊ CPU0 logged the error in a system with two C

System Overview 1-1Chapter 1System OverviewThis chapter introduces the DIGITAL AlphaServer 4000 and the DIGITALAlphaServer 4100 systems. These sys

5-40 AlphaServer 4000/4100 Service ManualExample 5-6 MCHK 630 Correctable CPU ErrorLogging OS 2. DIGITAL UNIXSystem Archit

Error Logs 5-41

5-42 AlphaServer 4000/4100 Service Manual5.3.7 MCHK 620 Correctable ErrorThe MCHK 620 error is a correctable error detected by the IOD.The error l

Error Logs 5-43System Revision x00000000Machine Check Reason x0204 IOD Detected Soft ErrorExt Interface Status Reg x0000000000

5-44 AlphaServer 4000/4100 Service Manual5.4 Troubleshooting IOD-Detected ErrorsStep 1Read the CAP Error Registers on both PCI bridges (F9E0000880

Error Logs 5-455.4.1 System Bus ECC ErrorStep 2Read the MC_ERR1 register and match the contents with the data pattern. Performthe action indicate

5-46 AlphaServer 4000/4100 Service Manual5.4.2 System Bus Nonexistent Address ErrorStep 3Determine which node (if any) should have responded to th

Error Logs 5-475.4.3 System Bus Address Parity ErrorStep 4Determine which node put the bad command/adress on the system bus identified inMC_ERR1.

5-48 AlphaServer 4000/4100 Service Manual5.4.4 PIO Buffer Overflow Error (PIO_OVFL)Step 5Enter the value of the CAP_CTRL register bits<19:16>

Error Logs 5-495.4.5 Page Table Entry Invalid ErrorStep 6This error is almost always a software problem. However, if the software is knownto be g

1-2 AlphaServer 4000/4100 Service Manual1.1 AlphaServer 4100 System Drawer (BA30A)Components in the BA30A system drawer are located in the system

5-50 AlphaServer 4000/4100 Service Manual5.4.9 Broken MemoryStep 10Refer to the following sections.For a Read Data Substitute Error (uncorrectable

Error Logs 5-513. When you have isolated the failing memory pair, determine which of the twomodules is bad. (You cannot do this if the operating

5-52 AlphaServer 4000/4100 Service Manual5.4.10 Command CodesTable 5-9 shows the codes for transactions on the system bus and how they areaffected

Error Logs 5-53Table 5-9 Decoding Commands (continued)5 4MC_CMD3 2 1 0CMDinHexMC_ADR<39> DescriptionNo B-CacheCPUB-CacheCPU IOD x x 1 0

5-54 AlphaServer 4000/4100 Service Manual5.5 Double Error Halts and Machine Checks Whilein PAL ModeTwo error cases require special attention. Nei

Error Logs 5-555.5.2 Double Error HaltA double error halt occurs under the following conditions:• A machine check occurs.• PAL completes its tas

5-56 AlphaServer 4000/4100 Service Manual cpu00per_cpu impure area 00004400cns$flag 00000001 : 0000cns$flag+4 00000000 : 0004c

Error Logs 5-57cns$fill_syn 000000a7 : 0410cns$fill_syn+4 00000000 : 0414cns$ld_lock 0004eaef : 0418cns$ld_lock+4 ffffff00 : 041c

5-58 AlphaServer 4000/4100 Service ManualExample 5-9 INFO 5 CommandP00>>> info 5cpu00per_cpu logout area 00004838mchk$crd_flag 00000320

Error Logs 5-59mchk$fill_syn+4 00000000 : 018cmchk$ei_stat 04ffffff : 0190mchk$ei_stat+4 fffffff0 : 0194mchk$ld_lock 00005b6f : 0198mchk$ld_lock+4

System Overview 1-3➊ System card cage, which holds the system motherboard and the CPU, memory,bridge, and power control modules. (The difference be

5-60 AlphaServer 4000/4100 Service ManualExample 5-10 INFO 8 CommandP00>>> info 8IOD 0WHOAMI: 0000003a PCI_REV: 06008221CAP_CTL: 02490fb

Error Registers 6-1Chapter 6Error RegistersThis chapter describes the registers used to hold error information. These registersinclude:• External

6-2 AlphaServer 4000/4100 Service Manual6.1 External Interface Status Register - EL_STATThe EI_STAT register is a read-only register that is unloc

Error Registers 6-3Fill data from B-cache or main memory could have correctable or uncorrectableerrors in ECC mode. In parity mode, fill data pari

6-4 AlphaServer 4000/4100 Service ManualTable 6-1 External Interface Status RegisterName Bits Type DescriptionCOR_ECC_ERR <31> R Correctabl

Error Registers 6-5Table 6-1 External Interface Status Register (continued)Name Bits Type Description<63:36> All ones.SEO_HRD_ERR <35>

6-6 AlphaServer 4000/4100 Service Manual6.1.1 External Interface Address Register - EI_ADDRThe EI_ADDR register contains the physical address asso

Error Registers 6-7Table 6-2 Loading and Locking Rules for External Interface RegistersCorrect-ableErrorUncorrect-able ErrorSecondHardErro

6-8 AlphaServer 4000/4100 Service Manual6.1.2 MC Error Information Register 0(MC_ERR0 - Offset = 800)The low-order MC bus (system bus) address bit

Error Registers 6-96.1.3 MC Error Information Register 1(MC_ERR1 - Offset = 840)The high-order MC bus (system bus) address bits and error symptoms

1-4 AlphaServer 4000/4100 Service Manual1.2 AlphaServer 4000 System Drawer (BA30C)Components in the BA30C system drawer are located in the system

6-10 AlphaServer 4000/4100 Service ManualTable 6-4 MC Error Information Register 1Name Bits TypeInitialState DescriptionVALID <31> RO 0 Log

Error Registers 6-116.1.4 CAP Error Register(CAP_ERR - Offset = 880)CAP_ERR is used to log information pertaining to an error detected by the CAPo

6-12 AlphaServer 4000/4100 Service ManualTable 6-5 CAP Error RegisterName Bits TypeInitialState DescriptionMC_ERR VALID <31> RO 0 Logical O

Error Registers 6-13Table 6-5 CAP Error Register (continued)Name Bits TypeInitialState DescriptionLOST_MC_ERR <24> RW1C 0 Set when an error

6-14 AlphaServer 4000/4100 Service Manual6.1.5 PCI Error Status Register 1 (PCI_ERR1 - Offset = 1040)PCI_ERR1 is used by the system bus to PCI bus

Removal and Replacement 7-1Chapter 7Removal and ReplacementThis chapter describes removal and replacement procedures for field-replaceableunits (FR

7-2 AlphaServer 4000/4100 Service Manual7.2 FRU ListFigure 7-1 shows the locations of FRUs in the system drawer, and Table 7-1 lists thepart numbe

Removal and Replacement 7-3Table 7-1 Field-Replaceable Unit Part NumbersCPU ModulesB3001-CA 300 MHz CPU, uncachedB3002-AB 300 MHz CPU, 2 Mbyte ca

7-4 AlphaServer 4000/4100 Service ManualTable 7-1 Field-Replaceable Unit Part Numbers (continued)Fans12-23609-21 4.5-inch fan12-24701-34 CPU fanP

Removal and Replacement 7-5Table 7-1 Field-Replaceable Unit Part Numbers (continued)Server Control Module Power (Pedestal Only)30-46485-01 110V N

System Overview 1-5➊ System card cage, which holds the system motherboard and the CPU, memory,bridge, and power control modules. (The difference be

7-6 AlphaServer 4000/4100 Service ManualTable 7-1 Field-Replaceable Unit Part Numbers (continued)System Drawer Cables andJumpers From To17-04358-

Removal and Replacement 7-7Table 7-1 Field-Replaceable Unit Part Numbers (continued)Pedestal Cables From To17-04293-01 Elec harnesspowercable+5/+

7-8 AlphaServer 4000/4100 Service Manual7.3 4100 Power System FRUsFigure 7-2 Location of 4100 Power System FRUsPS0PS1PS2Fan 0Fan 1Fan 2B3040PCMB

Removal and Replacement 7-9Part Number Description2a 17-04285-01 Power cord from AC input box to power strip. .5 meter, IEC320 toIEC320 connector

7-10 AlphaServer 4000/4100 Service Manual7.4 4000 Power System FRUsFigure 7-3 Location of 4000 Power System FRUsPS0PS1PS2Fan 0Fan 1Fan 2B3040B30

Removal and Replacement 7-11Part Number Description2a 17-04285-01 Power cord from AC input box to power strip. .5 meter, IEC320 toIEC320 connector

7-12 AlphaServer 4000/4100 Service Manual7.5 System Drawer Exposure (Cabinet)There are two cabinet types for these systems: the H9A10-EB -EC cabi

Removal and Replacement 7-13Exposing the System Bus or PCI Bus Card Cages1. Open the front and rear doors of the cabinet.2. At the front of the c

7-14 AlphaServer 4000/4100 Service Manual7.5.2 Cabinet Drawer Exposure (H9A10-EL & EM)In the H9A10-EL and -EM Cabinet, the system drawer sits

Removal and Replacement 7-15CAUTION: The cabinet could tip over if a system drawer is pulled out and thestablizing bar is not fully extended and i

First Printing, June 1997Digital Equipment Corporation makes no representations that the use of its products in themanner described in this publicatio

1-6 AlphaServer 4000/4100 Service Manual1.3 AlphaServer 4000 System Drawer (BA30B)Components in the BA30B system drawer are located in the system

7-16 AlphaServer 4000/4100 Service Manual7.6 System Drawer Exposure (Pedestal)Figure 7-5 Exposing System Drawer (Pedestal)System BusCoverPedesta

Removal and Replacement 7-17Exposing the System Drawer1. Open the front door and remove it by lifting and pulling it away from thesystem.2. Remov

7-18 AlphaServer 4000/4100 Service Manual7.7 CPU Removal and ReplacementCAUTION: Several different CPU modules work in these systems. Unless you

Removal and Replacement 7-19Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the system

7-20 AlphaServer 4000/4100 Service Manual7.8 CPU Fan Removal and ReplacementFigure 7-7 Removing CPU FanPKW411A-96

Removal and Replacement 7-21Removal1. Follow the CPU Removal and Replacement procedure.2. Unplug the fan from the module.3. Remove the four Phil

7-22 AlphaServer 4000/4100 Service Manual7.9 Memory Removal and ReplacementCAUTION: Several different memory modules work in these systems. Be s

Removal and Replacement 7-23Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the system

7-24 AlphaServer 4000/4100 Service Manual7.10 Power Control Module Removal andReplacementFigure 7-9 Removing Power Control ModulePKW0412 -96Power

Removal and Replacement 7-25Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the system

System Overview 1-7➊ System card cage holds the system motherboard, the CPU, memory, bridge, andpower control modules.➋ PCI/EISA card cage holds th

7-26 AlphaServer 4000/4100 Service Manual7.11 System Bus to PCI Bus Bridge (B3040-AA)Module Removal and ReplacementFigure 7-10 Removing System B

Removal and Replacement 7-27Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the system

7-28 AlphaServer 4000/4100 Service Manual7.12 System Bus to PCI Bus Bridge (B3040-AB)Module Removal and ReplacementFigure 7-11 Removing System B

Removal and Replacement 7-29Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the system

7-30 AlphaServer 4000/4100 Service Manual7.13 System Motherboard (4100 &early 4000)Removal and ReplacementThe system motherboard contains an N

Removal and Replacement 7-315. Expose the PCI bus card cage. Remove three Phillips head screws holding thecover in place and slide it off the draw

7-32 AlphaServer 4000/4100 Service Manual7.14 System Motherboard (4000) Removal andReplacementThe system motherboard contains an NVRAM that holds

Removal and Replacement 7-336. Remove all the PCI/EISA options.7. Remove the server control module.8. Remove the PCI motherboards.9. Remove bot

7-34 AlphaServer 4000/4100 Service Manual7.15 PCI/EISA Motherboard (B3050) Removal andReplacementFigure 7-14 Replacing PCI/EISA MotherboardPKW04

Removal and Replacement 7-35motherboard, these environment variables are lost and must be restored after themodule swap.1. Shut down the operating

1-8 AlphaServer 4000/4100 Service Manual1.4 Cabinet SystemThe AlphaServer 4000/4100 cabinet system can accommodate multiple systemsin a single cabi

7-36 AlphaServer 4000/4100 Service Manual7.16 PCI Motherboard (B3051) Removal andReplacementFigure 7-15 Replacing PCI MotherboardPKW0409A-96

Removal and Replacement 7-37Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the PCI bus

7-38 AlphaServer 4000/4100 Service Manual7.17 Server Control Module Removal andReplacementFigure 7-16 Removing Server Control ModuleOCPDiskette D

Removal and Replacement 7-39Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the PCI bus

7-40 AlphaServer 4000/4100 Service Manual7.18 PCI/EISA Option Removal and ReplacementFigure 7-17 Removing PCI/EISA OptionPKW0418-96WARNING: To p

Removal and Replacement 7-41Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the PCI bus

7-42 AlphaServer 4000/4100 Service Manual7.19 Power Supply Removal and ReplacementFigure 7-18 Removing Power SupplyCable Harness17-04217-01or 17

Removal and Replacement 7-43Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Remove the cover t

7-44 AlphaServer 4000/4100 Service Manual7.20 Power Harness (4100 and early 4000) Removaland ReplacementFigure 7-19 Removing Power HarnessP18P15

Removal and Replacement 7-45Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the power,

System Overview 1-9Cabinet DifferencesCabinet Power Mounting DestinationH9A10-EB AC input boxpower stripsC channel(max drawers: 4)North AmericaAsia

7-46 AlphaServer 4000/4100 Service Manual7.21 Power Harness (4000) Removal andReplacementFigure 7-20 Removing Power HarnessSystem Bus Motherboar

Removal and Replacement 7-47Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Expose the power a

7-48 AlphaServer 4000/4100 Service Manual7.22 System Drawer Fan Removal andReplacementFigure 7-21 Removing System Drawer FanPKW0416-96Removal1.

Removal and Replacement 7-494. Release the power supply tray by removing the two Phillips head screws on theside of the drawer.5. Lift the power

7-50 AlphaServer 4000/4100 Service Manual7.23 Cover Interlock (4100 and early 4000)Removal and ReplacementFigure 7-22 Removing Cover Interlocks7

Removal and Replacement 7-51Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Remove all three s

7-52 AlphaServer 4000/4100 Service Manual7.24 Cover Interlock (later 4000) Removal andReplacementFigure 7-23 Removing Cover Interlocks70-33002-0

Removal and Replacement 7-53Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Remove all three s

7-54 AlphaServer 4000/4100 Service Manual7.25 Operator Control Panel Removal andReplacement (Cabinet)Figure 7-24 Removing OCP (Cabinet)PKW0417C-

Removal and Replacement 7-55Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. While you need not

1-10 AlphaServer 4000/4100 Service Manual1.5 Pedestal SystemThe pedestal system contains one system drawer with a control panel, a CD-ROM drive, an

7-56 AlphaServer 4000/4100 Service Manual7.26 Operator Control Panel Removal andReplacement (Pedestal)Figure 7-25 Removing OCP (Pedestal)

Removal and Replacement 7-57Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Remove the four Ph

7-58 AlphaServer 4000/4100 Service Manual7.27 Floppy Removal and ReplacementFigure 7-26 Removing Floppy DrivePKW0417B-96

Removal and Replacement 7-59Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Remove the four Ph

7-60 AlphaServer 4000/4100 Service Manual7.28 CD-ROM Removal and ReplacementFigure 7-27 Removing CD-ROMPKW0417A-96

Removal and Replacement 7-61Removal1. Shut down the operating system and power down the system.2. Expose the system drawer.3. Remove the four Ph

7-62 AlphaServer 4000/4100 Service Manual7.29 Cabinet Fan Tray Removal and ReplacementFigure 7-28 Removing Cabinet Fan TrayPKW0441A-96Fan LEDPow

Removal and Replacement 7-63Removal1. Shut down the operating system and power down the system. Unplug the ACpower cable from the cabinet tray po

7-64 AlphaServer 4000/4100 Service Manual7.30 Cabinet Fan Tray Power Supply Removal andReplacementFigure 7-29 Removing Cabinet Fan Tray Power Su

Removal and Replacement 7-65Removal1. Remove the cabinet fan tray.2. Disconnect the power harness from the fan fail detect module and each fan.3.

System Overview 1-11Figure 1-10 Pedestal System RearPK-0307a-96

7-66 AlphaServer 4000/4100 Service Manual7.31 Cabinet Fan Tray Fan Removal andReplacementFigure 7-30 Removing Cabinet Fan Tray FanPKW0441F-96

Removal and Replacement 7-67Removal1. Remove the cabinet fan tray.2. Disconnect the power harness from the fan you wish to replace.3. Remove the

7-68 AlphaServer 4000/4100 Service Manual7.32 Cabinet Fan Tray Fan Fail Detect ModuleRemoval and ReplacementFigure 7-31 Removing Fan Tray Fan Fa

Removal and Replacement 7-69Removal1. Remove the cabinet fan tray.2. Disconnect the power harness from the fan fail detect module.3. Remove the

7-70 AlphaServer 4000/4100 Service Manual7.33 StorageWorks Shelf Removal andReplacementFigure 7-32 Removing StorageWorks ShelfPKW0451-96StorageW

Removal and Replacement 7-71Removal1. Shut down the operating system and power down the system.2. Remove the power cord and signal cord(s) from t

Running Utilities A-1Appendix ARunning UtilitiesThis appendix provides a brief overview of how to load and run utilities. Thefollowing topics are

A-2 AlphaServer 4000/4100 Service ManualA.1 Running Utilities from a Graphics MonitorStart AlphaBIOS and select Utilities from the menu. The n

Running Utilities A-3A.2 Running Utilities from a Serial TerminalUtilities are run from a serial terminal in the same way as from a graphicsmon

1-12 AlphaServer 4000/4100 Service Manual1.6 Control Panel and DrivesThe control panel includes the On/Off, Halt, and Reset buttons and a display.

A-4 AlphaServer 4000/4100 Service ManualA.3 Running ECUThe EISA Configuration Utility (ECU) is used to configure EISA options onAlphaServer sys

Running Utilities A-5A.4 Running RAID Standalone Configuration UtilityThe RAID Standalone Configuration Utility is used to set up RAID disk dri

A-6 AlphaServer 4000/4100 Service ManualA.5 Updating Firmware with LFUStart the Loadable Firmware Update (LFU) utility by issuing the lfu comma

Running Utilities A-7Use the Loadable Firmware Update (LFU) utility to update system firmware.You can start LFU from either the SRM console or the

A-8 AlphaServer 4000/4100 Service ManualA.5.1 Updating Firmware from the Internal CD-ROMInsert the update CD-ROM, start LFU, and select cda0 as

Running Utilities A-9➊ Select the device from which firmware will be loaded. The choices are theinternal CD-ROM, the internal floppy disk, or a net

A-10 AlphaServer 4000/4100 Service ManualExample A-2 Updating Firmware from the Internal CD-ROM(Continued)UPD> update *

Running Utilities A-11➎ The update command updates the device specified or all devices. In thisexample, the wildcard indicates that all devices sup

A-12 AlphaServer 4000/4100 Service ManualA.5.2 Updating Firmware from the Internal Floppy Disk — Creating the DiskettesCreate the update disk

Running Utilities A-13Example A-3 Creating Update Diskettes on an OpenVMS SystemConsole Update Diskette$ inquire ignore "Insert blank HD flo

System Overview 1-13NOTE: The LEDs on some modules are on when the line cord is plugged in,regardless of the position of the On/Off button.➋ Halt b

A-14 AlphaServer 4000/4100 Service ManualA.5.3 Updating Firmware from the Internal Floppy Disk — Performing the UpdateInsert an update disket

Running Utilities A-15➊ Select the device from which firmware will be loaded. The choices are theinternal CD-ROM, the internal floppy disk, or a ne

A-16 AlphaServer 4000/4100 Service ManualExample A-4 Updating Firmware from the Internal FloppyDisk(Continued)UPD> update pfi0

Running Utilities A-17➍ The update command updates the device specified or all devices.➎ For each device, you are asked to confirm that you want to

A-18 AlphaServer 4000/4100 Service ManualA.5.4 Updating Firmware from a Network DeviceCopy files to the local MOP server’s MOP load area, start

Running Utilities A-19Before starting LFU, download the update files from the Internet (see Preface). Youwill need the files with the extension .SY

A-20 AlphaServer 4000/4100 Service ManualExample A-6 Updating Firmware from a Network Device(Continued)UPD> update * -all

Running Utilities A-21➍ The update command updates the device specified or all devices. In thisexample, the wildcard indicates that all devices sup

A-22 AlphaServer 4000/4100 Service ManualA.5.5 LFU CommandsThe commands summarized in Table A-3 are used to update system firmware.Table A-3

Running Utilities A-23displayThe display command shows the system physical configuration. Display isequivalent to issuing the SRM console command

1-14 AlphaServer 4000/4100 Service Manual1.7 System ConsolesThere are two console programs: the SRM console and the AlphaBIOS console.SRM Console P

A-24 AlphaServer 4000/4100 Service ManuallistThe list command displays the inventory of update firmware on the CD-ROM,network, or floppy. Only the

Running Utilities A-25A.6 Updating Firmware from AlphaBIOSInsert the CD-ROM or diskette with the updated firmware and select UpgradeAlphaBIOS from

A-26 AlphaServer 4000/4100 Service ManualUpgrading AlphaBIOSAs new versions of Windows NT are released, it might be necessary to upgradeAlphaBIOS t

SRM Console Commands and Environment Variables B-1Appendix BSRM Console Commands andEnvironment VariablesThis appendix provides a summary of the SR

B-2 AlphaServer 4000/4100 Service ManualB.1 Summary of SRM Console CommandsThe SRM console commands are used to examine or modify the system stat

SRM Console Commands and Environment Variables B-3Table B-1 Summary of SRM Console Commands (Continued)Command Functionman Displays information a

B-4 AlphaServer 4000/4100 Service ManualB.2 Summary of SRM Environment VariablesEnvironment variables pass configuration information between the

SRM Console Commands and Environment Variables B-5Table B-2 Environment Variable Summary (Continued)EnvironmentVariable Functionmemory_test Speci

B-6 AlphaServer 4000/4100 Service ManualB.3 Recording Environment VariablesYou can make copies of the table below to record environment variable

SRM Console Commands and Environment Variables B-7Table B-3 Environment Variables Worksheet (Continued)EnvironmentVariable System Name System Nam

System Overview 1-15SRM ConsoleThe SRM console is a command-line interface that is used to boot the DIGITALUNIX and OpenVMS operating systems. It

Operating the System Remotely C-1Appendix COperating the System RemotelyThis appendix describes how to use the remote console monitor (RCM) to moni

C-2 AlphaServer 4000/4100 Service ManualC.1.1 Modem UsageTo use the RCM to monitor a system remotely, first make the connections to theserver contro

Operating the System Remotely C-3Modem SelectionThe RCM requires a Hayes-compatible modem. The controls that the RCM sends tothe modem have been s

C-4 AlphaServer 4000/4100 Service ManualDialing In to the RCM Modem Port1. Dial the modem connected to the server control module. The RCM answers

Operating the System Remotely C-5C.1.2 Entering and Leaving Command ModeUse the default escape sequence to enter RCM command mode for the first ti

C-6 AlphaServer 4000/4100 Service ManualC.1.3 RCM CommandsThe RCM commands summarized below are used to control and monitor asystem remotely.Table C

Operating the System Remotely C-7Command Conventions• The commands are not case sensitive.• A command must be entered in full.• If a command is

C-8 AlphaServer 4000/4100 Service ManualC.1.3.1 alert_clrThe alert_clr command clears an alert condition within the RCM. The alert enablecondition

Operating the System Remotely C-9C.1.3.4 disableThe disable command disables remote access to the RCM modem port.RCM>disableThe module’s remote

iiiContentsPreface... xiChapter 1 System O

1-16 AlphaServer 4000/4100 Service Manual1.8 System ArchitectureAlpha microprocessor chips are used in these systems. The CPU, memory, andthe I/O

C-10 AlphaServer 4000/4100 Service ManualC.1.3.7 haltThe halt command attempts to halt the managed system. It is functionallyequivalent to pressing

Operating the System Remotely C-11C.1.3.10 poweronThe poweron command requests the RCM module to power on the system. For thesystem power to come

C-12 AlphaServer 4000/4100 Service ManualC.1.3.12 resetThe reset command requests the RCM module to perform a hardware reset. It isfunctionally equ

Operating the System Remotely C-13If the escape sequence entered exceeds 15 characters, the command fails with themessage:*** ERROR ***When changin

C-14 AlphaServer 4000/4100 Service ManualC.1.3.15 statusThe status command displays the current state of the server’s sensors, as well as thecurrent

Operating the System Remotely C-15C.1.4 Dial-Out AlertsThe RCM can be configured to automatically dial out through the modem(usually to a paging se

C-16 AlphaServer 4000/4100 Service ManualEnabling the Dial-Out Alert Function:1. Enter the set rcm_dialout command, followed by a dial-out alert str

Operating the System Remotely C-17Composing a Modem Dial-Out StringThe modem dial-out string emulates a user dialing an automatic paging service.Ty

C-18 AlphaServer 4000/4100 Service ManualC.1.5 Resetting the RCM to Factory DefaultsIf the escape sequence has been forgotten, you can reset the co

Operating the System Remotely C-19C.1.6 Troubleshooting GuideTable C-3 lists a number of possible causes and suggested solutions forsymptoms you mi

System Overview 1-17AlphaServer 4000/4100 systems use the Alpha chip for the CPU. The CPU,memory, and I/O bridge modules, one to PCI/EISA I/O buse

C-20 AlphaServer 4000/4100 Service ManualTable C-3 RCM Troubleshooting (Continued)Symptom Possible Cause Suggested SolutionAfter the system andRCM

Operating the System Remotely C-21Table C-3 RCM Troubleshooting (Continued)Symptom Possible Cause Suggested SolutionCannot enablemodem or modemwi

C-22 AlphaServer 4000/4100 Service ManualC.1.7 Modem Dialog DetailsThis section provides further details on the dialog between the RCM and themodem

Operating the System Remotely C-23This default initialization string works on a wide variety of modems. If your modemdoes not configure itself to t

C-24 AlphaServer 4000/4100 Service ManualRCM/Modem Interchange OverviewTable C-4 summarizes the actions between the RCM and the modem frominitializa

Operating the System Remotely C-25To display all the RCM user settable strings:P00>>> show rcm*rcm_answer ATXArcm_dialoutrcm_init AT&F

Index-1Index?? command, RCM, C-1044000 system drawer, 1-4, 1-64100 system drawer, 1-2Aalert_clr command, RCM, C-8alert_dis command, RCM, C-8alert_ena

Index-2CD-ROMremoval and replacement, 7-60COM1 port, 2-19Command codes, 5-54Command summary (SRM), B-2Componentshoused in system drawer, 1-2, 1-4, 1-6

Index-3updating from network device, A-20updating, AlphaBIOS selection,A-6updating, SRM command, A-6Floppyremoval and replacement, 7-58FRU list, 7-240

1-18 AlphaServer 4000/4100 Service Manual1.9 System MotherboardThe system motherboard is on the floor of the system card cage. It has slots forthe

Index-4MCHK 620 correctable error, 5-44MCHK 630 correctable CPU error, 5-41MCHK 660 IOD detected failure, 5-27, 5-32MCHK 670 CPU and IOD detectedfailu

Index-5voltages, 4-3Power system components, 7-4poweroff command, RCM, C-10poweron command, RCM, C-11Power-upSROM and XSROM messagesduring, 2-19Power-

Index-6System bus ECC error, 5-47System bus nonexistent address error,5-48System bus to PCI bus bridge module,1-17, 1-28System bus to PCI/EISA bus bri

System Overview 1-19The system motherboard has the logic for the system bus. It is the backplane thatholds the CPU, memory, bridge, and power contr

1-20 AlphaServer 4000/4100 Service Manual1.10 CPU TypesAlphaServer 4000 and 4100 systems can be configured with one of several CPUvariants. Varian

System Overview 1-21Chip DescriptionUnit DescriptionInstruction 8-byte cache, 4-way issueExecution 4-way execution; 2 integer units, 1 floating-poi

1-22 AlphaServer 4000/4100 Service Manual1.11 Memory ModulesMemory modules are used only in pairs — two modules of the same size andtype. Each modu

System Overview 1-23Memory VariantsEach memory option consists of two identical modules. Each 4100 drawer supportsup to four memory options, for a

1-24 AlphaServer 4000/4100 Service Manual1.12 Memory AddressingAlpha system memory addressing is unusual because memory address space isdetermined

System Overview 1-25The rules for addressing memory are as follows:1. Address space is determined by the memory pair in slot MEM0.2. Memory pairs

iv2.8 Console Device Determination...2-182.9 Console Power-Up Display...

1-26 AlphaServer 4000/4100 Service Manual1.13 System BusThe system bus consists of a 40-bit command/address bus, a 128-bit plus ECCdata bus, and se

System Overview 1-27The system bus motherboard consists of a 40-bit command/address bus, a 128-bitplus ECC data bus, and several control signals, c

1-28 AlphaServer 4000/4100 Service Manual1.14 System Bus to PCI Bus Bridge ModuleThe bridge module is the physical interconnect between the system

System Overview 1-29The system bus to PCI bus bridge module converts system bus commands and dataaddressed to I/O space to PCI commands and data; a

1-30 AlphaServer 4000/4100 Service Manual1.15 PCI I/O SubsystemThe I/O subsystem is PCI. Both the 4100 and the 4000 have two four-slot PCIbuses t

System Overview 1-31Table 1–1 PCI Motherboard Slot NumberingSlot PCI0 PCI1PCI2(4000 only)PCI3(4000 only)0 Reserved Reserved Reserved Reserved1 PC

1-32 AlphaServer 4000/4100 Service Manual1.16 Server Control ModuleThe server control module enables remote console connections to the systemdrawe

System Overview 1-33The server control module has two sections: the remote console monitor (RCM) andthe standard I/O. See Appendix C for informati

1-34 AlphaServer 4000/4100 Service Manual1.17 Power Control ModuleThe power control module controls power sequencing and monitors powersupply volt

System Overview 1-35The power control module performs these functions:• Controls power sequencing.• Monitors the combined output of power supplie

v5.4.1 System Bus ECC Error...5-395.4.2 System Bus Nonexistent Address Error...

1-36 AlphaServer 4000/4100 Service Manual1.18 Power SupplyThe system drawer power supplies provide power only to components in thedrawer. One or tw

System Overview 1-37DescriptionOne to three power supplies provide power to components in the system drawer.(They supply power only for the drawer

Power-Up 2-1Chapter 2Power-UpThis chapter describes system power-up testing and explains the power-up displays.The following topics are covered:•

2-2 AlphaServer 4000/4100 Service Manual2.1 Control PanelThe control panel display indicates the likely device when testing fails.Figure 2-1 Cont

Power-Up 2-3Table 2–1 Control Panel DisplayField Content Display Meaning➊ CPU number P0–P3 CPU reporting status➋ Status TEST Tests are executingF

2-4 AlphaServer 4000/4100 Service Manual2.2 Power-Up SequenceConsole and most power-up tests reside on the I/O subsystem, not on the CPUnor on any

Power-Up 2-5the XBUS. Sector 2 of FEPROM 0 contains a duplicate copy of the code and is usedif sector 0 is bad.FEPROM. Two 1-Mbyte programmable R

2-6 AlphaServer 4000/4100 Service ManualFor the console to run, the path from the CPU to the XSROM must be functional.The XSROM resides in FEPROM0

Power-Up 2-7The SROM contents are loaded into each CPU’s I-cache and executed on power-up/reset. After testing the caches on each processor chip,

vi7.16 PCI Motherboard (B3051) Removal and Replacement...7-367.17 Server Control Module Removal and Replacement...

2-8 AlphaServer 4000/4100 Service Manual2.3 SROM Power-Up Test FlowThe SROM tests the CPU chip and the path to the XSROM.Figure 2-5 SROM Power-

Power-Up 2-9The Alpha chip built-in self-test tests the I-cache at power-up and upon reset.Each CPU chip loads its SROM code into its I-cache and s

2-10 AlphaServer 4000/4100 Service ManualTable 2-2 lists the tests performed by the SROM.Table 2-2 SROM TestsTest Name Logic TestedD-cache RAM Ma

Power-Up 2-112.4 SROM Errors ReportedThe SROM reports machine checks, pending interrupt/exception errors, anderrors related to corruption of FEPRO

2-12 AlphaServer 4000/4100 Service Manual2.5 XSROM Power-Up Test FlowOnce the SROM has completed its tests and verified the path to the FEPROMcont

Power-Up 2-13After jumping to the primary CPU’s S-cache, the code then intentionally I-cachesitself and is completely register based (no D-stream f

2-14 AlphaServer 4000/4100 Service ManualTable 2-4 Memory TestsTest Test Name Logic Tested Description20 MemoryData testData path to and frommemo

Power-Up 2-152.6 XSROM Errors ReportedThe XSROM reports B-cache test errors and memory test errors. It alsoreports a warning if memory is illegal

2-16 AlphaServer 4000/4100 Service Manual2.7 Console Power-Up TestsOnce the SRM console is loaded, it does further testing of each IOD. Table 2-5

Power-Up 2-17Table 2-6 PCI Motherboard Tests (B3050 only)TestNumber Test NameDiagnosticName Description1 PCEB pceb_diag Tests the PCI to EISA bri

viiAppendix C Operating the System RemotelyC.1 RCM Console Overview... C-1C.1.

2-18 AlphaServer 4000/4100 Service Manual2.8 Console Device DeterminationAfter the SROM and XSROM have completed their tasks, the SRM consoleprogr

Power-Up 2-19Console Device OptionsThe console device can be either a serial terminal or a graphics monitor.Specifically:• A serial terminal conne

2-20 AlphaServer 4000/4100 Service Manual2.9 Console Power-Up DisplayThe entire power-up display prints to a serial terminal (if the consoleenviro

Power-Up 2-21➊ At power-up or reset, the SROM code on each CPU module is loaded intothat module’s I-cache and tests the module. If all tests pass,

2-22 AlphaServer 4000/4100 Service ManualExample 2-3 Power-Up Display (Continued)starting console on CPU 0 ➏sizing memo

Power-Up 2-23➏ The final primary CPU determination is made. The primary CPU unloadsPALcode and decompression code from the FEPROM on the PCI 0 to i

2-24 AlphaServer 4000/4100 Service Manual2.10 Fail-Safe LoaderThe fail-safe loader is a software routine that loads the SRM console image fromflopp

Troubleshooting 3-1Chapter 3TroubleshootingThis chapter describes troubleshooting during power-up and booting, as well asdiagnostics for AlphaServe

3-2 AlphaServer 4000/4100 Service Manual3.1 Troubleshooting with LEDsDuring power-up, reset, initialization, or testing, diagnostics are run on CP

Troubleshooting 3-3CPU LEDs• If the CPU STP LED on any CPU module is lit, that CPU chip is functioningproperly. If the operating system is NT and

viiiFigures1-1 Components of the BA30A System Drawer...1-21-2 Cover Interlock Circuit (BA30A) ...

3-4 AlphaServer 4000/4100 Service Manual3.1.1 Cabinet Power and Fan LEDsFigure 3-2 Cabinet Power and Fan LEDsPK-0664-96Fan LEDPower LED

Troubleshooting 3-5A cabinet system has three exhaust fans at the top of the cabinet. They are poweredfrom a small power supply in the fan tray.

3-6 AlphaServer 4000/4100 Service Manual3.2 Troubleshooting Power ProblemsPower problems can occur before the system is up or while the system isr

Troubleshooting 3-7If Power Problem Occurs at Power-UpIf the system has a power problem on a cold start, the PCM LEDs are not valid untilafter DCOK

3-8 AlphaServer 4000/4100 Service Manual3.2.1 Power Control Module LEDsThe PCM has 11 LEDs visible through the system card cage. The LED displays

Troubleshooting 3-9Table 3-1 Power Control Module LED StatesLED State DescriptionDCOK_SENSEOn Both +5.0V and +3.43V are present and within limits

3-10 AlphaServer 4000/4100 Service Manual3.3 Maintenance Bus (I2C Bus)The I2C bus (referred to as the “I squared C bus”) is a small internalmainte

Troubleshooting 3-11MonitorThe I2C bus monitors the state of system conditions scanned by the PCM. There aretwo registers on the PCM:• One record

3-12 AlphaServer 4000/4100 Service Manual3.4 Running Diagnostics — Test CommandThe test command runs diagnostics on the entire system, CPU devices,

Troubleshooting 3-133.5 Testing an Entire SystemA test command with no modifiers runs all exercisers for subsystems and deviceson the system. I/O

ix4-8 Pedestal Power Distribution (Europe and AP)...4-155-1 Error Detector Placement ...

3-14 AlphaServer 4000/4100 Service Manual ID Program Device Pass Hard/Soft Bytes Written Bytes Read-------- ------------ -------

Troubleshooting 3-153.5.1 Testing MemoryThe test mem command tests individual memory devices or all memory. Thetest shown in Example 3-3 runs for

3-16 AlphaServer 4000/4100 Service Manual ID Program Device Pass Hard/Soft Bytes Written Bytes Read-------- ------------ -------

Troubleshooting 3-173.5.2 Testing PCIThe test pci command tests PCI buses and devices. The test runs for 2 minutes.Example 3-4 Sample Test Comma

3-18 AlphaServer 4000/4100 Service Manual ID Program Device Pass Hard/Soft Bytes Written Bytes Read-------- ------------ -------

Power System 4-1Chapter 4Power SystemThis chapter describes the AlphaServer 4000/4100 power system:• Power Supply• Power Control Module Features•

4-2 AlphaServer 4000/4100 Service Manual4.1 Power SupplyPower supply ouputs are shown in Figure 4-1.Figure 4-1 Power Supply OutputsCurrentshare

Power System 4-3Power Supply Features• 90–264 Vrms input• 450 watts output. Output voltages are as follows:Output Voltage Min. Voltage Max. Volt

4-4 AlphaServer 4000/4100 Service Manual4.2 Power Control Module FeaturesThe power control module (54-24117-01) is located behind the B3040-AAmodu

Power System 4-5The power control module performs the following functions:• Controls the power-up/down sequencing.• Monitors the combined output