Thunder i840 S2520
39
The table below can be used to troubleshoot error messages.
Address Line Short!
8042 Gate-A20 Error
Gate A20 on the keyboard controller
(8042) is not working.
C: Drive Error
Error in the address decoding circuitry.
No response from drive C:
C: Drive Failure
No response from hard disk drive C:
Cache Memory Bad, Do
Not Enable Cache!
Cache memory is defective.
CH-2 Timer Error
An AT system has two timers. There is
an error in timer 2.
CMOS Battery State Low
CMOS RAM is powered by a battery.
This error message indicates low battery
power.
CMOS Checksum Failure
CMOS System Options Not
Set
CMOS Display Type Mis-
match
CMOS Memory Size Mis-
match
CMOS Time and Date Not
Set
CMOS RAM checksum is different than
the previous value.
The values stored in the CMOS RAM
have been destroyed.
The video type set in CMOS RAM does
not match the type detected.
The amount of memory found by AMI-
BIOS is different than the amount in
CMOS RAM.
The date and time need to be set.
D: Drive Error
No response from drive D:
Diskette Boot Failure
The boot diskette in drive A: cannot be
used to boot the system.
Display Switch Not Proper
Some systems require a video switch to
be set to either color or monochrome.
D: Drive Failure
No response from drive D:
Error Message
Possible Reason For Error
Possible Solution
Replace the 8042
Return the board to dealer
for a replacement.
Check the C: hard disk type
in CMOS Setup.
Replace the drive
Replace the battery
Run CMOS Setup
Run CMOS Setup
Run CMOS Setup
Check the hard disk type in
CMOS Setup
Run CMOS Setup
Run CMOS Setup
Check the hard disk type in
CMOS Setup
Use another boot disk
Turn system off, set switch
properly, then power back on
Return the board to dealer
for a replacement.
Return the board to dealer
for a replacement.
SY
STEM
