Digital Equipment FR-902AA-A3, Service Maintenance Manual

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Digital STARION 400i - 900i PC Troubleshooting
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POST and Boot Messages
The POST displays messages to alert to errors in hardware, software and firmware or to provide operating
information about the computer.
Each time the POST displays a message on the screen, the computer's speaker beeps twice. If an error
occurs before the monitor is initialised, specific beep codes sound to alert to a problem. The following
table lists a general grouping of system messages. In addition, each message is accompanied by text
describing the message and in most cases, a recommended solution to the problem.
NOTE Italics indicate variable parts of a message such as memory addresses,
hexadecimal valuesand so on. These messages can differ at each occurrence.
POST and Boot Error Messages
The following error messages are arranged in alphabetical order.
Message Problem Solution
Diskette drive A error
Diskette drive B error Diskette drive has failed. Run the BIOS Setup utility.
Check all connections. If the
problem persists, replace the
defective diskette drive and/or
drive cable.
Extended RAM Failed at
offset: nnnn Extended memory failed or
configured incorrectly. Make sure SIMMs are installed
correctly (see Installing SIMMs).
If the problem persists, replace
defective SIMMs. Run the BIOS
Setup utility and restore all
settings to original values.
Failing Bits: nnnn
nnnn is a map of the bits at the
RAM address which failed the
memory test. Run the BIOS Setup utility and
restore all settings to original
values. If the problem persists,
replace the defective memory.
Fixed Disk 0 Failure Fixed
Disk 1 Failure Fixed Disk
Controller failure Hard disk drive and/or controller
failed. Run the BIOS Setup utility.
Check all connections. If the
problem persists, replace the
defective hard disk drive and/or
controller.
Incorrect Drive A type - run
SETUP
Incorrect Drive B type - run
SETUP Diskette drive A and/or B not
correctly identified in the BIOS
Setup utility. Run the BIOS Setup utility and
properly identify diskette drive A
and/or B.