HP Dc7900 Technical Reference Guide: HP Compaq dc7900 Series Business Desktop - Page 102
Keyboard failure while Network Server Mode enabled., and No Keyboard Attached
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Error Messages and Codes Table A-2. (Continued) Power-On Self Test (POST) Messages Error Message Probable Cause 1801-Microcode Patch Error A processor is installed for which the BIOS ROM has no patch. Check for ROM update. Invalid Electronic Serial Number Electronic serial number has become corrupted. Network Server Mode Active and No Keyboard Attached Keyboard failure while Network Server Mode enabled. Parity Check 2 Keyboard failure while Network Server Mode enabled. A-4 www.hp.com Technical Reference Guide
A-4
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Technical Reference Guide
Error Messages and Codes
1801-Microcode Patch Error
A processor is installed for which the BIOS ROM has no patch.
Check for ROM update.
Invalid Electronic Serial
Number
Electronic serial number has become corrupted.
Network Server Mode Active
and No Keyboard Attached
Keyboard failure while Network Server Mode enabled.
Parity Check 2
Keyboard failure while Network Server Mode enabled.
Table A-2.
(Continued)
Power-On Self Test (POST) Messages
Error Message
Probable Cause