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Chapter 4
DECevent Error Log
4.1
Brief Description of the TLSB Bus........................................................ 4-2
4.1.1
Command/Address Bus................................................................... 4-2
4.1.2
Data Bus ......................................................................................... 4-3
4.1.3
Error Checking ............................................................................... 4-3
4.2
Producing an Error Log with DECevent............................................... 4-4
4.3
Getting a Summary Error Log .............................................................. 4-5
4.4
Supported Event Types......................................................................... 4-6
4.5
Sample Error Log Entries..................................................................... 4-8
4.5.1
Machine Check 660 Error ............................................................... 4-8
4.5.2
Machine Check 620 Error ............................................................. 4-17
4.5.3
DWLPB Motherboard (PCIA) Adapter Error Log ........................ 4-24
4.6
Console Halt Conditions ..................................................................... 4-30
4.6.1
CPU Double Error Halt ................................................................ 4-30
4.6.2
Machine Check Logout Frames .................................................... 4-39
4.6.3
Machine Check Error Log............................................................. 4-42
Chapter 5
Removal and Replacement Procedures
5.1
TLSB Modules....................................................................................... 5-2
5.1.1
How to Replace the Only Processor ................................................ 5-2
5.1.2
How to Replace the Boot Processor................................................. 5-4
5.1.3
How to Add a New Processor or Replace a Secondary
Processor ......................................................................................... 5-8
5.1.4
Processor, Memory, or Terminator Module Removal and
Replacement ................................................................................. 5-12
5.1.5
SIMM Removal and Replacement ................................................ 5-14
5.1.6
I/O Cable and KFTHA Module Removal and Replacement.......... 5-18
5.2
TLSB Card Cage Removal .................................................................. 5-20
5.3
Operator Control Panel....................................................................... 5-24
5.4
CD Tray............................................................................................... 5-26
5.5
AC Distribution Box............................................................................ 5-28
5.6
Power Rack Assembly ......................................................................... 5-30
5.7
Cabinet Control Logic (CCL) Panel..................................................... 5-32
5.8
BA36R StorageWorks Shelf ................................................................ 5-34
5.9
DWLPB PCI Box ................................................................................. 5-36
5.10
Plenum Assembly................................................................................ 5-38
5.11
Cabinet Panels .................................................................................... 5-40
5.12
Cables.................................................................................................. 5-42