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Beep Codes and Error Messages 3-5
Diskette Boot
Failure
System cannot boot
from diskette in drive A.
Diskette in drive A
does not contain boot-
able operating system,
or bootable operating
system is corrupt.
DMA #1 Error Error condition
occurred in DMA
channel 1.
Defective system
board.
DMA #2 Error Error condition
occurred in DMA
channel 2.
Defective system
board.
DMA Bus Time-out Device has driven
DMA bus signal longer
than allowable
7.8 microseconds.
Defective system
board.
DMA Error Error condition
occurred in DMA
controller.
Defective system
board.
FDD Controller
Failure
System BIOS cannot
communicate with
diskette/tape drive
controller.
Defective system
board.
HDD Controller
Failure
System BIOS cannot
communicate with
EIDE hard-disk drive
interface or installed
hard-disk drive control-
ler card.
Defective hard-disk
drive controller card (if
one is installed).
Defective system
board.
Incorrect disk settings
in the system setup
program.
INTR #1 Error Failure detected in
interrupt channel 1
during POST.
Defective system
board.
INTR #2 Error Failure detected in
interrupt channel 2
during POST.
Defective system
board.
Table 3-2. System Error Messages
(continued)
Message Definition Probable Causes