Compaq 486 User Manual

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

Compaq 486 Specifications

General

Brand	Compaq
Model	486
Category	Desktop
Language	English