Digital Equipment 7300 User manual

DIGITALServer7300/7300RSeries
ServiceManual
Part Number: EK-K9FWW-SG. A01
This manual is for anyone who services a DIGITAL Server 7300/7300R Series system.
It covers installation, power-up, initial troubleshooting, and component installation.
January 1998
Digital Equipment Corporation
Maynard, Massachusetts

January 1998
Digital Equipment Corporation makes no representations that the use of its products in the manner
described in this publication will not infringe on existing or future patent rights, nor do the
descriptions contained in this publication imply the granting of licenses to make, use, or sell
equipment or software in accordance with the description.
The information in this document is subject to change without notice and should not be construed as
a commitment by Digital Equipment Corporation.
Digital Equipment Corporation assumes no responsibility for any errors that may appear in this
document.
The software, if any, described in this document is furnished under a license and may be used or
copied only in accordance with the terms of such license. No responsibility is assumed for the use
or reliability of software or equipment that is not supplied by Digital Equipment Corporation or its
affiliated companies.
© Digital Equipment Corporation 1998. All rights reserved.
The following are trademarks of Digital Equipment Corporation: DEClaser, Digital, OpenVMS,
PATHWORKS, and the DIGITAL logo. The following are third-party trademarks: Adobe and
PostScript are registered trademarks of Adobe Systems, Incorporated. Helvetica and Times are
registered trademarks of Linotype Co. Microsoft and MS-DOS are registered trademarks and
Windows is a trademark of Microsoft Corporation.
The following are third-party trademarks: Lifestyle 28.8 DATA/FAX Modem is a trademark of
Motorola, Inc. UNIX is a registered trademark in the U.S. and other countries, licensed exclusively
through X/Open Company Ltd. U.S. Robotics and Sportster are registered trademarks of U.S.
Robotics. Windows NT is a trademark of Microsoft, Inc. All other trademarks and registered
trademarks are the property of their respective holders.
FCC Notice: The equipment described in this manual generates, uses, and may emit radio
frequency energy. The equipment has been type tested and found to comply with the limits for a
Class A digital device pursuant to Part 15 of FCC Rules, which are designed to provide reasonable
protection against such radio frequency interference. Operation of this equipment in a residential
area may cause interference, in which case the user at his own expense will be required to take
whatever measures are required to correct the interference.
Shielded Cables: If shielded cables have been supplied or specified, they must be used on the
system in order to maintain international regulatory compliance.
Warning! This is a Class A product. In a domestic environment this product may cause radio
interference, in which case the user may be required to take adequate measures.
Achtung! Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei
Betrieb dieses Gerätes Rundfunkstörungen auftreten, in welchen Fällen der Benutzer für
entsprechende Gegenmaßnahmen verantwortlich ist.
Avertissement! Cet appareil est un appareil de Classe A. Dans un environnement résidentiel, cet
appareil peut provoquer des brouillages radioélectriques. Dans ce cas, il peut être demandé à
l'utilisateur de prendre les mesures appropriées.

DIGITAL Server 7300/7300R Series Service Manual iii
Table of Contents
1 System Overview
DIGITAL Server 7300/7300R System Drawer (BA30A) ......................................................1–3
Cover Interlocks ............................................................................................................1–4
Cabinet System.....................................................................................................................1–6
Cabinet Differences.......................................................................................................1–7
Cabinet System Fan Tray...............................................................................................1–7
Pedestal System....................................................................................................................1–8
Control Panel and Drives.................................................................................................... 1–10
System Consoles.................................................................................................................1–12
SRM Console............................................................................................................... 1–12
AlphaBIOS Console.....................................................................................................1–12
Environment Variables................................................................................................1–13
System Architecture ........................................................................................................... 1–14
System Motherboard........................................................................................................... 1–16
CPU Types.........................................................................................................................1–18
CPU Variants............................................................................................................... 1–18
CPU Module Layout.................................................................................................... 1–18
Alpha Chip Composition ............................................................................................. 1–19
Chip Description.......................................................................................................... 1–19
CPU Configuration Rules ............................................................................................ 1–19
CPU Module Color Codes............................................................................................ 1–19
Memory Modules ............................................................................................................... 1–20
Memory Variants......................................................................................................... 1–21
Memory Operation.......................................................................................................1–21
Memory Configuration Rules....................................................................................... 1–21
Memory Addressing ...........................................................................................................1–23
System Bus......................................................................................................................... 1–25
System Bus to PCI Bus Bridge Module............................................................................... 1–27
PCI I/O Subsystem .............................................................................................................1–29

iv DIGITAL Server 7300/7300R Series Service Manual
Server Control Module....................................................................................................... 1–31
Power Control Module ....................................................................................................... 1–33
Power Supply..................................................................................................................... 1–35
2 Power-Up
Control Panel ....................................................................................................................... 2–2
Power-Up Sequence....................................................................................................... 2–4
SROM Power-Up Test Flow................................................................................................. 2–8
SROM Errors Reported ...................................................................................................... 2–11
XSROM Power-Up Test Flow............................................................................................ 2–12
XSROM Errors Reported.................................................................................................... 2–15
Console Power-Up Tests .................................................................................................... 2–17
Console Device Determination........................................................................................... 2–19
Console Device Options .............................................................................................. 2–20
Console Power-Up Display................................................................................................. 2–21
Fail-Safe Loader................................................................................................................. 2–25
3 Troubleshooting
Troubleshooting with LEDs...................................................................................................3-2
Processor (CPU) LEDs ..................................................................................................3-3
System Bus to PCI Bus Bridge Module LEDs (B3040-AA)............................................3-3
Cabinet Power and Fan LEDs.........................................................................................3-4
Troubleshooting Power Problems..........................................................................................3-5
If Halt Is Caused by Power, Fan, or Over-Temperature Problems...................................3-5
If Power Problem Occurs at Power-Up ...........................................................................3-6
Recommended Order for Troubleshooting Failure at Power-Up......................................3-6
Power Control Module LEDs..........................................................................................3-7
Troubleshooting with the Maintenance Bus (I2C Bus)............................................................3-9
Monitoring System Conditions .....................................................................................3-10
Displaying Faults..........................................................................................................3-10
Writing Error States......................................................................................................3-10
Tracking Configurations............................................................................................... 3-10
Running Diagnostics — Test Command.............................................................................. 3-11
Testing an Entire System.....................................................................................................3-12
Testing Memory...........................................................................................................3-15
Testing PCI Buses and Devices ....................................................................................3-18
4 Power System
Power Supply....................................................................................................................... 4–2
Power Control Module Features ........................................................................................... 4–4
Power Circuit and Cover Interlocks...................................................................................... 4–6

DIGITAL Server 7300/7300R Series Service Manual v
Power-Up/Down Sequence...................................................................................................4–8
Cabinet Power Configuration Rules.................................................................................... 4–10
Pedestal Power Configuration Rules (North America and Japan)........................................ 4–12
Pedestal Power Configuration Rules (Europe and Asia Pacific).......................................... 4–14
5 Error Detection with Error Registers
Overview of Error Detection.................................................................................................5–2
Error Registers......................................................................................................................5–5
External Interface Status Register – EI_STAT...............................................................5–6
External Interface Address Register - EI_ADDR ......................................................... 5–10
MC Error Information Register 0 (MC_ERR0 - Offset = 800)...................................... 5–12
MC Error Information Register 0 (MC_ERR0 - Offset = 800)...................................... 5–13
MC Error Information Register 1 (MC_ERR1 - Offset = 840)..................................... 5–14
CAP Error Register (CAP_ERR - Offset = 880).......................................................... 5–16
PCI Error Status Register 1 (PCI_ERR1 - Offset = 1040)............................................. 5–19
Troubleshooting IOD-Detected Errors................................................................................ 5–20
System Bus ECC Error ................................................................................................ 5–21
System Bus Nonexistent Address Error........................................................................5–22
System Bus Address Parity Error................................................................................. 5–23
PIO Buffer Overflow Error (PIO_OVFL)..................................................................... 5–24
Page Table Entry Invalid Error .................................................................................... 5–25
PCI Master Abort.........................................................................................................5–25
PCI System Error.........................................................................................................5–25
PCI Parity Error........................................................................................................... 5–25
Broken Memory........................................................................................................... 5–26
Command Codes.......................................................................................................... 5–28
Node IDs 5–29
Double Error Halts and Machine Checks While in PAL Mode............................................ 5–31
PALcode Overview......................................................................................................5–31
Double Error Halt........................................................................................................5–32
Machine Checks While in PAL.................................................................................... 5–32
6 Removal and Replacement
System Safety.......................................................................................................................6–2
FRU List...............................................................................................................................6–3
Power System FRUs.............................................................................................................6–9
System Drawer Exposure (Cabinet)....................................................................................6–11
System Drawer Exposure (Pedestal) ................................................................................... 6–13
CPU Removal and Replacement........................................................................................ 6–15
CPU Fan Removal and Replacement.................................................................................. 6–17
Memory Removal and Replacement................................................................................... 6–19
Power Control Module Removal and Replacement............................................................. 6–21

vi DIGITAL Server 7300/7300R Series Service Manual
System Bus to PCI Bus Bridge (B3040-AA) Module Removal and Replacement ............... 6–23
System Motherboard Removal and Replacement................................................................ 6–25
PCI/EISA Motherboard (B3050/B3052) Removal and Replacement.................................. 6–27
Server Control Module Removal and Replacement ............................................................ 6–29
PCI/EISA Option Removal and Replacement..................................................................... 6–31
Power Supply Removal and Replacement........................................................................... 6–33
Power Harness Removal and Replacement......................................................................... 6–35
System Drawer Fan Removal and Replacement.................................................................. 6–37
Cover Interlock Removal and Replacement........................................................................ 6–39
Operator Control Panel Removal and Replacement (Cabinet)............................................. 6–41
Operator Control Panel Removal and Replacement (Pedestal)............................................ 6–43
Floppy Removal and Replacement ..................................................................................... 6–45
CD-ROM Removal and Replacement................................................................................. 6–47
Cabinet Fan Tray Removal and Replacement..................................................................... 6–49
Cabinet Fan Tray Power Supply Removal and Replacement............................................... 6–51
Cabinet Fan Tray Fan Removal and Replacement .............................................................. 6–53
Cabinet Fan Tray Fan Fail Detect Module Removal and Replacement ............................... 6–55
StorageWorks Shelf Removal and Replacement................................................................. 6–57
7 Running Utilities
Selecting Utilities from the AlphaBIOS Menu...................................................................... 7–2
Running Utilities from a Serial Terminal.............................................................................. 7–3
Running the EISA Configuration Utility............................................................................... 7–4
Running RAID Standalone Configuration Utility.................................................................. 7–5
Updating Firmware............................................................................................................... 7–6
Updating Firmware from the Internal CD-ROM ............................................................ 7–8
Updating Firmware from the Internal Floppy Disk......................................................... 7–9
Updating Firmware from a Network Device................................................................ 7–12
LFU Commands................................................................................................................. 7–13
8 SRM Console Commands and Environment Variables
Summary of SRM Console Commands................................................................................. 8–2
Summary of SRM Environment Variables............................................................................ 8–4
Recording Environment Variables........................................................................................ 8–6
9 Operating the System Remotely
RCM Console Overview....................................................................................................... 9–2
Modem Usage ............................................................................................................... 9–3
Entering and Leaving Command Mode.......................................................................... 9–6
RCM Commands........................................................................................................... 9–7
Dial-Out Alerts............................................................................................................ 9–15

DIGITAL Server 7300/7300R Series Service Manual vii
Resetting the RCM to Factory Defaults........................................................................ 9–18
Troubleshooting Guide ................................................................................................ 9–19
Modem Dialog Details.................................................................................................9–22
Figures
Figure 1-1 Components of the BA30A System Drawer............................... 1–3
Figure 1-2 Cover Interlock Circuit............................................................... 1–5
Figure 1-3 DIGITAL Server 7300/7300R Cabinet System ........................... 1–6
Figure 1-4 Cabinet Fan Tray........................................................................ 1–7
Figure 1-5 Pedestal System Front................................................................. 1–8
Figure 1-6 Pedestal System Rear.................................................................. 1–9
Figure 1-7 Control Panel Assembly ........................................................... 1–10
Figure 1-8 AlphaBIOS Boot Menu............................................................. 1–13
Figure 1-9 Architecture Diagram ............................................................... 1–14
Figure 1-10 System Motherboard Module Locations.................................. 1–16
Figure 1-11 CPU Module Layout............................................................... 1–18
Figure 1-12 Memory Module Layout......................................................... 1–20
Figure 1-13 How Memory Addressing Is Calculated.................................. 1–23
Figure 1-14 System Bus Block Diagram .................................................... 1–25
Figure 1-15 Bridge Module........................................................................ 1–27
Figure 1-16 PCI Block Diagram................................................................. 1–29
Figure 1-17 Server Control Module ........................................................... 1–31
Figure 1-18 Power Control Module............................................................ 1–33
Figure 1-19 Location of Power Supply....................................................... 1–35
Figure 2-1 Control Panel and LCD Display.................................................. 2–2
Figure 2-2 Power-Up Flow........................................................................... 2–4
Figure 2-3 Contents of FEPROMs................................................................ 2–5
Figure 2-4 Console Code Critical Path......................................................... 2–6
Figure 2-5 SROM Power-Up Test Flow....................................................... 2–8
Figure 2-6 XSROM Power-Up Flowchart .................................................. 2–12
Figure 2-7 Console Device Determination Flowchart................................. 2–19
Figure 3-1 CPU and Bridge Module LEDs....................................................3-2
Figure 3-2 Cabinet Power and Fan LEDs......................................................3-4
Figure 3-3 PCM LEDs..................................................................................3-7
Figure 3-4 I2C Bus Block Diagram................................................................3-9
Figure 4-1 Power Supply Outputs ................................................................ 4–2
Figure 4-2 Power Control Module................................................................ 4–4
Figure 4-3 Power Circuit Diagram............................................................... 4–6
Figure 4-4 Power Up/Down Sequence Flowchart......................................... 4–8
Figure 4-5 -EN & -EP Single Drawer Cabinet Power Configuration .......... 4–10
Figure 4-6 -EN Three Drawer Cabinet Power Configuration...................... 4–11

viii DIGITAL Server 7300/7300R Series Service Manual
Figure 4-7 Pedestal Power Distribution (N.A. and Japan) ...........................4–12
Figure 4-8 Pedestal Power Distribution (Europe and AP)............................4–14
Figure 5-1 Error Detector Placement ........................................................... 5–2
Figure 6-1 System Drawer FRU Locations................................................... 6–3
Figure 6-2 Location of Power System FRUs................................................ 6–9
Figure 6-3 Exposing System Drawer (H9A10-EN & -EP Cabinet)..............6–11
Figure 6-4 Exposing System Drawer (Pedestal) ..........................................6–13
Figure 6-5 Removing a CPU Module..........................................................6–15
Figure 6-6 Removing CPU Fan...................................................................6–17
Figure 6-7 Removing a Memory Module....................................................6–19
Figure 6-8 Removing Power Control Module .............................................6–21
Figure 6-9 Removing System Bus to PCI/EISA Bus Bridge Module...........6–23
Figure 6-10 Removing the System Motherboard........................................6–25
Figure 6-11 Replacing PCI/EISA Motherboard...........................................6–27
Figure 6-12 Removing Server Control Module ...........................................6–29
Figure 6-13 Removing PCI/EISA Option....................................................6–31
Figure 6-14 Removing Power Supply .........................................................6–33
Figure 6-15 Removing Power Harness........................................................6–35
Figure 6-16 Removing System Drawer Fan ................................................6–37
Figure 6-17 Removing Cover Interlocks.....................................................6–39
Figure 6-18 Removing OCP (Cabinet)........................................................6–41
Figure 6-19 Removing OCP (Pedestal).......................................................6–43
Figure 6-20 Removing Floppy Drive ..........................................................6–45
Figure 6-21 Removing CD-ROM................................................................6–47
Figure 6-22 Removing Cabinet Fan Tray....................................................6–49
Figure 6-23 Removing Cabinet Fan Tray Power Supply .............................6–51
Figure 6-24 Removing Cabinet Fan Tray Fan.............................................6–53
Figure 6-25 Removing Fan Tray Fan Fail Detect Module...........................6–55
Figure 6-26 Removing StorageWorks Shelf................................................6–57
Figure 7-1 Running a Utility from a Graphics Monitor ............................... 7–2
Figure 7-2 Starting LFU from the AlphaBIOS Console................................ 7–6
Figure 7-3 Formatting a FAT Partition......................................................... 7–9
Figure 7-4 Standard Formatting..................................................................7–10
Figure 9-1 RCM Connections...................................................................... 9–3
Tables
Table 1-1 PCI Motherboard Slot Numbering ..............................................1–29
Table 2-1 Control Panel Display.................................................................. 2–3
Table 2-2 XSROM Tests ............................................................................2–13
Table 2-3 Memory Tests.............................................................................2–14

DIGITAL Server 7300/7300R Series Service Manual ix
Table 2-4 IOD Tests .................................................................................. 2–17
Table 2-5 PCI Motherboard Tests (B3050/B3052)..................................... 2–18
Table 3-1 Power Control Module LED States...............................................3-8
Table 5-1 External Interface Status Register ................................................ 5–8
Table 5-2 Loading and Locking Rules for External Interface Registers......5–11
Table 5-3 MC Error Information Register 0............................................... 5–12
Table 5-4 MC Error Information Register 0.............................................. 5–13
Table 5-5 MC Error Information Register 1............................................... 5–15
Table 5-6 CAP Error Register.................................................................... 5–17
Table 5-7 PCI Error Status Register 1........................................................ 5–19
Table 5-8 CAP Error Register Data Pattern................................................ 5–20
Table 5-9 System Bus ECC Error Data Pattern .......................................... 5–21
Table 5-10 System Bus Nonexistent Address Error Troubleshooting.......... 5–22
Table 5-11 Address Parity Error Troubleshooting...................................... 5–23
Table 5-12 Cause of PIO_OVFL Error....................................................... 5–24
Table 5-13 ECC Syndrome Bits Table....................................................... 5–27
Table 5-14 Decoding Commands............................................................... 5–28
Table 5-15 Node IDs.................................................................................. 5–30
Table 6-1 Field-Replaceable Unit Part Numbers.......................................... 6–4
Table 7-1 AlphaBIOS Option Key Mapping ................................................ 7–3
Table 7-2 File Locations for Creating Update Diskettes on a PC................ 7–10
Table 7-3 LFU Command Summary.......................................................... 7–13
Table 8-1 Summary of SRM Console Commands........................................ 8–2
Table 8-2 Environment Variable Summary.................................................. 8–4
Table 8-3 Environment Variables Worksheet............................................... 8–6
Table 9-1 RCM Command Summary........................................................... 9–7
Table 9-2 RCM Status Command Fields.................................................... 9–14
Table 9-3 RCM Troubleshooting ............................................................... 9–19
Table 9-4 RCM/Modem Interchange Summary.......................................... 9–24

x DIGITAL Server 7300/7300R Series Service Manual