Table Of Contents - Digital Equipment 3300R Service Manual

1 Troubleshooting Strategy
Questions to Consider ............................................................................................. 1-1
Problem Categories................................................................................................. 1-2
Service Tools and Utilities.................................................................................... 1-10
Information Services............................................................................................. 1-12
2 Power-Up Diagnostics and Display
Interpreting Error Beep Codes ................................................................................ 2-2
Power-Up Display................................................................................................... 2-5
AlphaBIOS Firmware................................................................................ 2-8
Console Event Log........................................................................................... 2-9
Mass Storage Problems ......................................................................................... 2-10
Storage Device LEDs............................................................................................ 2-15
Control Panel LEDs .............................................................................................. 2-17
PCI Bus Problems................................................................................................. 2-19
EISA Bus Problems .............................................................................................. 2-20
Additional EISA Troubleshooting Tips .......................................................... 2-22
Fail-Safe Loader ................................................................................................... 2-23
Power-Up Sequence.............................................................................................. 2-24
AC Power-Up Sequence................................................................................. 2-24
DC Power-Up Sequence................................................................................. 2-24
Firmware Power-Up Diagnostics........................................................................... 2-25
Serial ROM Diagnostics................................................................................. 2-25
Console Firmware Diagnostics....................................................................... 2-26

Table of Contents

iii