HP dc7800 tower manual Table A-3 System Error Messages Probable Cause

				Error Messages and Codes
A.4 System Error Messages (1xx-xx)
		Table A-3.
		System Error Messages
	Message	Probable Cause	Message	Probable Cause
101		Option ROM error	109-02	CMOS clock rollover test failed
102		System board failure [1]	109-03	CMOS not properly initialized (clk test)
103		System board failure	110-01	Programmable timer load data test failed
104-01		Master int. cntlr. test failed	110-02	Programmable timer dynamic test failed
104-02		Slave int. cntlr. test failed	110-03	Program timer 2 load data test failed
104-03		Int. cntlr. SW RTC inoperative	111-01	Refresh detect test failed
105-01		Port 61 bit <6> not at zero	112-01	Speed test Slow mode out of range
105-02		Port 61 bit <5> not at zero	112-02	Speed test Mixed mode out of range
105-03		Port 61 bit <3> not at zero	112-03	Speed test Fast mode out of range
105-04		Port 61 bit <1> not at zero	112-04	Speed test unable to enter Slow mode
105-05		Port 61 bit <0> not at zero	112-05	Speed test unable to enter Mixed mode
105-06		Port 61 bit <5> not at one	112-06	Speed test unable to enter Fast mode
105-07		Port 61 bit <3> not at one	112-07	Speed test system error
105-08		Port 61 bit <1> not at one	112-08	Unable to enter Auto mode in speed test
105-09		Port 61 bit <0> not at one	112-09	Unable to enter High mode in speed test
105-10		Port 61 I/O test failed	112-10	Speed test High mode out of range
105-11		Port 61 bit <7> not at zero	112-11	Speed test Auto mode out of range
105-12		Port 61 bit <2> not at zero	112-12	Speed test variable speed mode inop.
105-13		No int. generated by failsafe timer	113-01	Protected mode test failed
105-14		NMI not triggered by timer	114-01	Speaker test failed
106-01		Keyboard controller test failed	116-xx	Way 0 read/write test failed
107-01		CMOS RAM test failed	162-xx	Options failed (mismatch in drive type)
108-02		CMOS interrupt test failed	163-xx	Time and date not set
108-03		CMOS not properly initialized	164-xx	Memory size
109-01		CMOS clock load data test failed	199-00	Installed devices test failed

NOTES:

[1]102 message code may be caused by one of a variety of processor-related problems that may be solved by replacing the processor, although system board replacement may be needed.

Technical Reference Guide www.hp.com A-5