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A-5
Appendix A: BIOS Error Beep Codes
APPENDIX A
Error Message Information
CMOS Time and Run Standard Setup to set the date and time
Date Not Set in CMOS RAM.
D: Drive Error Hard disk drive D: does not respond. Run
the Hard Disk Utility. Also check the D: hard
disk type in Standard Setup to make sure that
the hard disk drive type is correct.
D: Drive Failure Hard disk drive D: does not respond.
Replace the hard disk.
Diskette Boot Failure The boot disk in floppy drive A: is corrupt. It
cannot be used to boot the computer. Use
another boot disk and follow the screen
instructions.
Display Switch Some compters require a video switch on the
Not Proper motherboard be set to either color or
monochrome. Turn the computer off, set the
switch, then power on.
DMA Error Error in the DMA controller.
DMA #1 Error Error in the first DMA channel.
DMA #2 Error Error in the second DMA channel.
FDD Controller Failure The BIOS cannot communicate with the
floppy disk drive controller. Check all
appropriate connections after the computer is
powered down.
HDD Controller Failure The BIOS cannot communicate with the hard
disk drive controller. Check all appropriate
connections after the computer is powered
down.
INTR #1 Error Interrupt channel 1 failed POST.
INTR #2 Error Interrupt channel 2 failed POST.