NEC MH4000 User Manual page 159

MESSAGE
nnnn Cache SRAM Passed
Diskette drive A error
or
Diskette drive B error
Entering SETUP ...
Extended RAM Failed at offset: nnnn *
nnnn Extended RAM passed
Failing Bits: nnnn *
Fixed Disk 0 Failure
or
Fixed Disk 1 Failure
or
Fixed Disk Controller Failure*
Incorrect Drive A type - run SETUP
or
Incorrect Drive B type - run SETUP
Invalid NVRAM media type*
Keyboard controller error*
Keyboard error nn
Keyboard locked - Unlock key switch
Monitor type does not match CMOS -
Run SETUP
Operating system not found
Parity Check 1 nnnn *
or
Parity Check 2 nnnn *
* If your system displays this message, write down the message and notify
your customer representative. If your system fails after you made changes in
the BIOS Setup menus, you may be able to correct the problem by entering
Setup and restoring the original values.
Table 6-2. BIOS Messages
Where nnnn is the amount of system cache in kilobytes
successfully tested.
Diskette Drive is present but fails the BIOS POST diskette
tests. Check to see that the drive is defined with the proper
diskette type in Setup and that the diskette drive is correctly
attached.
The Setup program is starting.
Extended memory is not working or is not properly
configured at offset nnnn .
Where nnnn is the amount of RAM in kilobytes successfully
tested.
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 properly configured. Check
to see if the fixed disk is attached properly. Run Setup to be
sure the fixed disk type is correctly identified.
Type of floppy drive is not correctly identified in Setup.
Problem with NVRAM (CMOS) access.
The keyboard controller test failed. You may have to replace
the keyboard or controller.
The keyboard is not working. BIOS discovered a stuck key
and displays the scan code nn for the stuck key.
Unlock the system to proceed.
Monitor type is not correctly identified in Setup.
The operating system cannot be located on either drive A: or
drive C:. Enter Setup and see if the fixed disk and floppy are
properly identified.
A parity error was found in the system bus (Parity Check 1)
or the I/O bus (Parity Check 2). BIOS attempts to locate and
display the address on the screen. If it cannot locate the
address, it displays ????.
DESCRIPTION
Problem Solving
6-19