Compaq Portable 486 Compaq Portable 486c Personal Computer Maintenance and Ser - Page 20

Diagnostic Error Codes, XX000Y ZZ Parity

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1782 - Disk None Fixed disk drive 1. Run Diagnostics. Controller controller error 2. Check and/or Failure replace the power distribution board. 3. Replace the fixed disk drive. Message Beeps Probable Cause Recommended Action 1790 - Disk 0 Error None Fixed disk drive 1. Run Diagnostics. error or wrong 2. Replace the drive type drive. 1791 - Disk 1 Error None Fixed disk drive 1. Run Diagnostics. error or wrong 2. Replace the drive type drive. XX000Y ZZ Parity None Parity RAM Run Diagnostics. Check 2 failure Audible 1 Short Power on None. successful Audible 2 Short Power on None. successful (RESUME = None As indicated Press F1 key "F1" KEY) to continue. Chapter 3.2 Diagnostic Error Codes

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-----------------------------------------------------------------------------
1782 - Disk
None
Fixed disk drive
1. Run Diagnostics.
Controller
controller error
2. Check and/or
Failure
replace the power
distribution board.
3. Replace the fixed
disk drive.
-----------------------------------------------------------------------------
Message
Beeps
Probable Cause
Recommended Action
-----------------------------------------------------------------------------
1790 - Disk 0 Error
None
Fixed disk drive
1. Run Diagnostics.
error or wrong
2. Replace the
drive type
drive.
-----------------------------------------------------------------------------
1791 - Disk 1 Error
None
Fixed disk drive
1. Run Diagnostics.
error or wrong
2. Replace the
drive type
drive.
-----------------------------------------------------------------------------
XX000Y ZZ Parity
None
Parity RAM
Run Diagnostics.
Check 2
failure
-----------------------------------------------------------------------------
Audible
1 Short
Power on
None.
successful
-----------------------------------------------------------------------------
Audible
2 Short
Power on
None.
successful
-----------------------------------------------------------------------------
(RESUME =
None
As indicated
Press F1 key
"F1" KEY)
to continue.
=============================================================================
Chapter 3.2 Diagnostic Error Codes