Keyboard controller error*

The keyboard controller test failed. You may have to replace the

 

keyboard or controller.

Keyboard error nn

The keyboard is not working. BIOS discovered a stuck key and

 

displays the scan code nn for the stuck key.

Monitor type does not match CMOS

Monitor type is not correctly identified in Setup.

- Run SETUP

 

Operating system not found

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.

Parity Check 1 nnnn*

A parity error was found in the system bus (Parity Check 1) or the

or

I/O bus (Parity Check 2). BIOS attempts to locate and display the

Parity Check 2 nnnn*

address on the screen. If it cannot locate the address, it displays.

Press <F1> to resume, <F2> to

Displayed after any recoverable error message.

Setup

 

Press <F2> to enter SETUP

Optional message displayed during POST. Can be turned off in

 

Setup.

Previous boot incomplete - Default

Previous POST did not successfully complete. POST loads

configuration used

default values and offers to run Setup. If the failure was caused by

 

incorrect values and they are not corrected, the next boot will

 

likely fail. On systems with control of wait states, improper Setup

 

settings can also terminate POST and cause this error on the next

 

boot. Run Setup and verify that the wait-state configuration is

 

correct. This error is cleared the next time the system is booted.

Real time clock error*

Real time clock fails BIOS test. May require board repair.

Shadow Ram Failed at offset: nnnn*

Shadow RAM failed at offset nnnn of the 64K block at which the

 

error was detected.

nnnn Shadow RAM Passed

Where nnnn is the amount of shadow RAM in kilobytes

 

successfully tested.

System battery is dead - Replace

The CMOS clock battery indicator shows the battery is dead.

and run SETUP

Replace the battery and run Setup to reconfigure the system.

System BIOS shadowed

The system BIOS is copied to shadow RAM.

System cache error - Cache

The RAM cache failed the BIOS test and BIOS has disabled the

disabled*

cache.

System CMOS checksum bad - run

The system CMOS has been corrupted or incorrectly modified,

SETUP

perhaps by an application program that changes data stored in

 

CMOS. Run Setup and reconfigure the system either by getting

 

the default values or making your own selections.

System RAM failed at offset: nnnn*

The system RAM failed at offset nnnn of the 64K block at which

 

the error was detected.

nnnn System RAM Passed

Where nnnn is the amount of system RAM in kilobytes

 

successfully tested.

System timer error*

The timer test failed. Requires repair of the system board.

UMB upper limit segment address:

Displays the address nnnn of the upper limit of the Upper Memory

nnnn

Blocks, indicating released segments of the BIOS which may be

 

reclaimed by a virtual memory manager.

Video BIOS shadowed

The video BIOS is successfully copied to shadow RAM.

*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.

5-16 Solving Problems

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NEC MH4500 manual Setup