NEC POWERMATE PRO2180 - SERVICE 1996, Руководство по обслуживанию

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Maintenance and Troubleshooting 4-5
Table Section 4-2 System Error Messages
Message Description
Diskette Boot Failure The boot disk in drive A: is corrupt and cannot be used to boot
the system. Use another boot disk and follow the screen
instructions.
DMA Controller Error Error in the DMA controller.
Drive Not Ready Error The BIOS cannot communicate with the diskette drive. Power
off the system and check all connections.
Floppy Disk Controller Failure The BIOS cannot communicate with the diskette drive
controller. Power off the system and check all connections.
Floppy Drive A: Failure The BIOS cannot access the diskette drive A:. Power off the
system and check all connections.
Floppy Drive B: Failure The BIOS cannot access the diskette drive B:. Power off the
system and check all connections.
Gate - A20 Error Gate A20 on the keyboard controller is not working. Call for
service.
Invalid Boot Diskette The BIOS can read the disk in diskette drive A:, but cannot
boot the system. Use another boot diskette.
Keyboard Controller Error The keyboard controller has failed during POST.
Keyboard is Locked...Please
Unlock It. Keyboard lock on the system is engaged. The system must be
unlocked to continue.
Keyboard Stuck Key Detected There is a key pressed down on the keyboard.
Master DMA Controller Error Error in the master DMA channel.
Master Interrupt Controller
Error Master Interrupt Controller failed during POST.
Memory Size Decreased The amount of memory on the system board is less than the
amount in CMOS RAM. Check for mismatched SIMM sizes.
(All SIMMs must be the same size within a bank.) Run Setup
(see Section 2).
Off Board Parity Error Parity error in the installed expansion memory. The format is:
OFF BOARD PARITY ERROR ADDR (HEX) = (XXXX)
XXXX is the hex address where the error occurred.
Slave DMA Controller Error Error in the slave channel.