NEC VERSA UltraLite Service And Reference Manual page 68

Message
Address line is short
C: Drive Error
C: Drive Failure
Cache Memory Bad, Do
Not Enable Cache
CH-2 Timer Error
CMOS Battery State Low
CMOS Checksum Failure
CMOS System Options
Not Set
CMOS Display Type
Mismatch
CMOS Time and Date Not
Set
Diskette Boot Failure
DMA Error
DMA#1 Error
DMA#2 Error
FDD Controller Failure
HDD Controller Failure
INTR #1 Error
INTR #2 Error
Invalid Boot Diskette
Keyboard is Locked
Unlock It
Keyboard Error
KB/interface Error
7-4 Troubleshooting
Post Error Messages
Resolution
Error in the address decoding circuit on the main board.
Hard disk drive C: does not respond. Confirm that C: hard disk
type in Setup is correct.
Hard disk drive C: does not respond. Replace the hard disk drive.
Cache memory is defective. It must be replaced.
Most ISA computers include two timers. There is an error in timer
2.
CMOS RAM is powered by a battery. The battery power is low.
Connect the system to AC power to charge the CMOS battery. If
the battery does not charge, replace the CMOS battery.
After CMOS RAM values are saved, a checksum value is
generated for error checking. The previous value is different from
the current value. Run Setup to reset the value.
The values stored in CMOS RAM are either corrupt or
nonexistent. Run Setup to reset the value.
The amount of memory on the main board is different than the
amount in CMOS RAM. Run Setup to reset the value.
Run Setup to set the time and date.
The boot diskette is corrupt. It cannot be used to boot the
notebook. Use another boot disk and follow the on-screen
instructions.
Error in the DMA controller. Replace the CMOS battery.
Error in the first DMA channel.
Error in the second DMA channel.
The BIOS cannot communicate with the floppy disk controller.
Check all appropriate connections.
The BIOS cannot communicate with the hard disk drive
controller. Check all appropriate connections.
Interrupt channel 1 failed POST.
Interrupt channel 2 failed POST.
The BIOS can read the diskette in the disk drive, but cannot boot
the notebook. Use another boot diskette.
The keyboard lock on the notebook is engaged. The notebook
must be unlocked to continue.
There is a timing problem with the keyboard. Set the keyboard
option in Setup to "Not Installed" to skip the keyboard POST
routines.
There is an error in the keyboard connector.