NEC VERSA 6220 - SERVICE, Руководство пользователя

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7-4 Solving Problems
POST Error Messages
MESSAGE WHAT TO DO
Address Line Short Error in the address decoding circuitry on the system
board. Contact your NECCSD service representative
for service work.
C: Drive Error Hard disk drive C: does not respond. Check that C:
hard disk type in Setup is correct.
C: Drive Failure Hard disk drive C: does not respond. You may need
to replace the hard disk drive.
Cache Memory Bad, Do
Not Enable Cache Cache memory is defective. It must be replaced.
Contact your NECCSD service representative for
service work.
CH-2 Timer Error Most ISA computers include two timers. There is an
error in timer 2. Contact your NECCSD service
representative for service work.
CMOS Battery State
Low CMOS RAM is powered by a battery. The battery
power is low. Contact your NECCSD service
representative to replace the CMOS battery.
CMOS Checksum
Failure 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.
CMOS System Options
Not Set The values stored in CMOS RAM are either corrupt
or nonexistent. Run Setup to reset the value.
CMOS Display Type
Mismatch The amount of memory on the system board is
different than the amount in CMOS RAM. Run Setup
to reset the value.
CMOS Time and Date
Not Set Run Setup to set the time and date.
Diskette Boot Failure The boot diskette in floppy drive A: is corrupt. It
cannot be used to boot the computer. Use another
boot disk and follow the on-screen instructions.
DMA error Error in the DMA controller. Contact your NECCSD
service representative to replace the CMOS battery.
DMA#1 Error Error in the first DMA channel. Contact your
NECCSD service representative for service.