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ErgoPro m664-series PC Specialist's Handbook
Page 5-4 Edition 1 - Release 1 - March 1998
BIOS Error Messages
List of Error messages:
Error Message Explanation
Diskette drive A error or Diskette drive
B error
Drive A: or B: is present but fails the POST diskette tests. Check that the drive is
defined with the proper diskette type in Setup and that the diskette drive is installed
correctly.
Extended RAM Failed at offset: nnnn Extended memory not working or not configured properly at offset nnnn.
Failing Bits: nnnn The hex number nnnn is a map of the bits at the RAM address (System, Extended,
or Shadow memory) that failed the memory test. Each 1 in the map indicates a
failed bit.
Fixed Disk 0 Failure or Fixed Disk 1
Failure or Fixed Disk Controller
Failure
Fixed disk is not working or not configured properly. Check to see if fixed disk is
installed properly. Run Setup be sure the fixed-disk type is correctly identified.
Incorrect Drive A type - run SETUP Type of floppy drive for drive A: not correctly identified in Setup.
Invalid NVRAM media type Problem with NVRAM (CMOS) access.
Keyboard controller error The keyboard controller failed test. Try replacing the keyboard.
Keyboard error Keyboard not working.
Keyboard error nn BIOS discovered a stuck key and displays the scan code nn for the stuck key.
Keyboard locked - Unlock key switch Unlock the system to proceed.
Monitor type does not match CMOS -
Run SETUP
Monitor type not correctly identified in Setup.
Operating system not found Operating system cannot be located on either drive A: or drive C:. Enter Setup and
see if fixed disk and drive A: are properly identified.
Parity Check 1 Parity error found in the system bus. BIOS attempts to locate the address and
display it on the screen. If it cannot locate the address, it displays ????.
Parity Check 2 Parity error found in the I/O bus. BIOS attempts to locate the address and display
it on the screen. If it cannot locate the address, it displays ????.
Press <F1> to resume, <F2> to
Setup
Displayed after any recoverable error message. Press <F1> to start the boot
process or <F2> to enter Setup and change any settings.
Real time clock error Real-time clock fails BIOS test. May require motherboard repair.
Shadow RAM Failed at offset: nnnn Shadow RAM failed at offset nnnn of the 64 KB block at which the error was
detected.
System battery is dead - Replace and
run SETUP
The CMOS clock battery indicator shows the battery is dead. Replace the battery
and run Setup to reconfigure the system.
System cache error - Cache disabled RAM cache failed the BIOS test. BIOS disabled the cache.
System CMOS checksum bad - run
SETUP
System CMOS RAM has been corrupted or modified incorrectly, perhaps by an
application program that changes data stored in CMOS. Run Setup and
reconfigure the system either by getting the default values and/or making your own
selections.
System RAM Failed at offset: nnnn System RAM failed at offset nnnn of the 64 KB block at which the error was
detected.
System timer error The timer test failed. Requires repair of system motherboard.