Setup and Operation 2-23
Table 2-4 POST Error Messages (cont’d)
Message
What To Do
DMA #2 Error
Error in the second DMA channel. Contact your
NECCSD service representative for service.
FDD Controller
Failure
The BIOS cannot communicate with the floppy disk
controller. Contact your NECCSD service representative
to check all appropriate connections.
HDD Controller
Failure
The BIOS cannot communicate with the hard disk drive
controller. Contact your NECCSD service representative
to check all appropriate connections.
INTR #1 Error
Interrupt channel 1 failed POST. Contact your NECCSD
service representative for service.
INTR #2 Error
Interrupt channel 2 failed POST. Contact your NECCSD
service representative for service.
Invalid Boot Diskette
The BIOS can read the diskette in drive A:, but cannot
boot the computer. Use another boot diskette.
Keyboard is Locked
Unlock It
The keyboard lock on the computer is engaged. The
computer must be unlocked to continue.
KB\interface error
There is an error in the keyboard connector. Contact
your NECCSD service representative for service.
Off Board parity Error
Parity error in memory module installed in an expansion
slot. Contact your NECCSD service representative to be
sure that the memory module is installed correctly.
The error format is:
OFF BOARD PARITY ERROR
ADDR(HEX) = (XXXX)
XXXX is the hex address where the error occurred.
On Board Parity Error
Parity error in system board memory. Contact your
NECCSD service representative for service.
Parity Error ????
Parity error in system memory at an unknown address.
Contact your NECCSD service representative for
service.
Fatal errors that occur during POST are communicated through a series of beeps that are
repeated continuously. All beep code errors, except beep code 8, are fatal errors and do not
allow the system to continue to boot.
If beep codes occur during POST, check the items in the Problem Checklist (at the start of
this chapter), verify that all the hardware is set up properly and securely connected, and try
rebooting. If you still get a beep code, go to the section “If You Need Assistance” at the
end of this chapter.