Compaq W4000 manual POWER-ON Self Test Post Messages, Table A-2, Power-On Self Test Post Messages

Appendix A Error Messages and Codes

A.3 POWER-ON SELF TEST (POST) MESSAGES

Table A–2.Power-On Self Test (POST) Messages

Table A-2.

Power-On Self Test (POST) Messages

Error Message	Probable Cause
Invalid Electronic Serial Number	Chassis serial number is corrupt. Use Setup to enter a valid number.
Network Server Mode Active (w/o	System is in network mode.
kybd)
101-Option ROM Checksum Error	A device’s option ROM has failed/is bad.
102-system Board Failure	Failed ESCD write, A20, timer, or DMA controller.
150-Safe POST Active	An option ROM failed to execute on a previous boot.
162-System Options Not Set	Invalid checksum, RTC lost power, or invalid configuration.
163-Time & Date Not Set	Date and time information in CMOS is not valid.
164-Memory Size Error	Memory has been added or removed.
201-Memory Error	Memory test failed.
213-Incompatible Memory Module	BIOS detected installed DIMM(s) as being not compatible.
216-Memory Size Exceeds Max	Installed memory exceeds the maximum supported by the system.
301-Keyboard Error	Keyboard interface test failed (improper connection or stuck key).
303-Keyboard Controller Error	Keyboard buffer failed empty (8042 failure or stuck key).
304-Keyboard/System Unit Error	Keyboard controller failed self-test.
404-Parallel Port Address Conflict	Current parallel port address is conflicting with another device.
510-Slpash Image Corrupt	Corrupted splash screen image. Restore default image w/ROMPAQ.
601-Diskette Controller Error	Diskette drive removed since previous boot.
912-Computer Cover Removed Since	Cover (hood) removal has been detected by the Smart Cover Sensor.
Last System Start Up
917-Expansion Riser Not Detected	Expansion (backplane) board not seated properly.
1720-SMART Hard Drive Detects	SMART circuitry on an IDE drive has detected possible equipment
Imminent Failure	failure.
1721-SMART SCSI Hard Drive	SMART circuitry on a SCSI drive has detected possible equipment
Detects Imminent Failure	failure.
1801-Microcode Patch Error	A processor is installed for which the BIOS ROM has no patch.
	Check for ROM update.
1998-Master Boot Record Backup	Backup copy of the hard drive master boot record is corrupted. Use
Has Been Lost	Setup to restore the backup from the hard drive.
1999-Master Boot Record Has	If Master Boot Record Security is enabled, this message indicates
Changed. Press Any Key To Enter	that the MBR has changed since the backup was made.
Setup to Restore the MBR.
2000-Master boot Record hard drive	The hard drive has been changed. Use Setup to create a backup of
has changed	the new hard drive.

A-2Compaq Personal Computers

Changed - November 2000