HP Dc7700 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 156
Parity Check 2, Keyboard failure while Network Server Mode enabled
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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 Keyboard failure while Network Server Mode enabled. No Keyboard Attached 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