Compaq Armada M700 Series Maintenance And Service Manual page 36

Message
CMOS checksum invalid, run
SCU
CMOS failure, run SCU
Diskette controller error
Diskette track 0 failed
Hard disk controller error
Keyboard controller failure
Keyboard failure
No interrupts from Timer 0
ROM at xxxx (LENGTH yyyy)
with nonzero checksum (zz)
Time/Date corrupt - run SCU
Hard disk xx failure (or error)
Table 2-1
Warning Messages
Description
CMOS RAM information
has been corrupted.
CMOS RAM has lost
power.
The diskette drive
controller failed to
respond to the recalibrate
command.
The diskette drive cannot
read track 0 of the
diskette in the drive.
The hard drive controller
failed to respond to the
reset command.
The keyboard failed the
self-test command.
The keyboard failed to
respond to the RESET ID
command.
The periodic timer
interrupt is not occurring.
An illegal adapter ROM
was located at the
specified address.
The time and date stored
in the real time clock have
been corrupted, possibly
by a
power loss.
A failure or an error
occurred when trying to
access the
hard drive.
Recommended Action
Run Computer Setup to
reinitialize CMOS-RAM.
Run Computer Setup to
reinitialize CMOS-RAM.
If there is no diskette drive in the
system, run Computer Setup to
properly configure the CMOS-
RAM to show no diskette drive
present. If the problem persists,
or if a diskette drive is present,
complete these steps until the
problems is solved:
1. Check diskette drive
connections.
2. Replace diskette drive.
3. Replace system board.
Try another diskette. If the
problem persists, you may need
to replace the diskette drive.
Check the drive parameters.
Turn off the system and check all
related connections.
Replace the system board.
Replace the keyboard. If the
problem persists, replace the
system board.
Replace the system board.
Check the external adapter (such
as a video card) to determine if it
is causing the conflict.
1. Run Computer Setup.
2. If problem persists, replace
auxiliary battery.
3. If problems persists, replace
system board.
1. Run ScanDisk.
2. Check disk in DOS and
Windows 95.
Troubleshooting 2-5