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POST Error Messages
The NEC Versa VXi has a built-in checking program that automatically tests its
components when you turn the system power on. This diagnostic test is called the
Power-On Self-Test (POST). If the system finds a problem during POST, the system
displays an error message. If this happens, follow the instructions in the POST error
message table.
Error Message
Diskette drive A error
Extended RAM Failed at offset:
nnnn
Failing Bits: nnnn
Fixed Disk 0/1/Disk Controller
Failure
Incorrect Drive A type – run
SETUP
Keyboard Controller error
Keyboard Error – Keyboard not
working
Operating system not found
Parity Check 1 – Parity error
found in the system bus
Parity Check 2 – Parity error
found in the I/O bus
10-4 Solving System Problems
POST Error Messages
Explanation
Drive A: is present but fails the BIOS POST diskette tests. Check
to see that the drive is defined with the proper diskette type in
Setup.
Extended memory not working or not configured properly at offset
nnnn.
The hex number nnnn is a map of the bits at the RAM address (in
System, Extended, or Shadow memory) which failed the memory
test. Each 1 (one) in the map indicates a failed bit.
Fixed disk is not working or not configured properly. Check to see
if fixed disk is attached properly. Run Setup to make sure the
fixed-disk type is correctly identified.
Type of floppy drive A: not correctly identified in Setup.
The keyboard controller failed test. You may have to replace
keyboard or controller.
Keyboard error nn BIOS discovered a stuck key and displays the
scan code nn for the stuck key.
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.
BIOS attempts to locate the address and display it on the screen.
If it cannot locate the address, it displays ????.
BIOS attempts to locate the address and display it on the screen.
If it cannot locate the address, it displays ????.
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