Compaq 486 Maintenance And Service Manual page 19

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605 - Diskette Drive
Type Error
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610 - External
Storage Module
Failure. Hit
F1 when ready.
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701 - Coprocessor
Error
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1151 - Comm Port 1
Configuration
Error
1152 - Comm Port 2
Configuration
Error
1153 - Comm Port 3
Configuration
Error
1154 - Comm Port 4
Configuration
Error
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Message
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1771 - Primary Disk
Port Address
Assignment
Conflict
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1772 - Secondary
Disk Port Address
Assignment
Conflict
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1780 - Disk 0
Failure
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1781 - Disk 1
Failure
2 Short Mismatch in
drive type
None External Storage
Module connected
but turned off
None Coprocessor
2 Short Added or removed
modem, or second
modem board
2 Short Added or removed
modem, or second
modem board
2 Short Added or removed
modem, or second
modem board
2 Short Added or removed
modem, or second
modem board
Beeps Probable Cause
2 Short Internal and
external fixed disk
drive controllers
are assigned to the
primary address
2 Short Internal and
external fixed disk
drive controllers
are assigned to the
secondary address
None Fixed disk drive/
format error
None Fixed disk drive/
format error
and retest.
2. Run Diagnostics.
3. Replace the
I/O board.
Run COMPAQ EISA
Configuration utility.
Turn on External
Storage Module or
disconnect from
computer.
Replace processor
board.
Run COMPAQ EISA
Configuration utility
for error codes
1151 through 1154.
Recommended Action
Run Diagnostics.
Run Diagnostics.
1. Run Diagnostics.
2. Check and/or
replace the power
distribution board.
3. Replace the fixed
disk drive.
1. Run Diagnostics.
2. Check and/or
replace the power
distribution board.
3. Replace the fixed
disk drive.