Toshiba Equium 5160D Series Preliminary Maintenance Manual page 145

BIOS Error Messages
Error Message
Gate A20 Error
Address Line Short!
Cache Memory Bad, Do Not
Enable Cache!
CH-2 Timer Error
CMOS Battery State Low
CMOS Checksum Failure
CMOS System Options Not
Set
CMOS Display Type
Mismatch
CMOS Memory Size
Mismatch
CMOS Time and Date Not
Set
Diskette Boot Failure
Display Switch Not Proper
DMA Error
DMA #1 Error
DMA #2 Error
FDD Controller Failure
HDD Controller Failure
INTR #1 Error
INTR #2 Error
Invalid Boot Diskette
Keyboard Is Locked...Unlock
It
KB/Interface Error
On Board Parity Error
TM
Equium Series Maintenance Manual------------------------------------------------------------ E-7
Table D-82 Model 6200D BIOS Error Messages
Explanation
Gate A20 on the keyboard controller is not working.
Error in the address decoding circuitry on the system board.
Cache memory is defective. Replace it.
Most AT systems include two timers. There is an error in timer 2.
CMOS RAM is powered by a battery. The battery power is low.
Replace the battery.
After CMOS RAM values are saved, a checksum value is generated
for error checking. The previous value is different from the current
value. Run Setup.
The values stored in CMOS RAM are either corrupt or nonexistent.
Run Setup.
The video type in CMOS RAM does not match the type detected by
the BIOS. Run Setup.
The amount of memory on the system board is different than the
amount in CMOS RAM. Run AMIBIOS Setup.
Run Setup to set the date and time in CMOS RAM.
The boot disk in floppy drive A: is corrupt. It cannot be used to boot
the system. Use another boot disk and follow the screen instructions.
The display jumper is not implemented on this product. This error
should not occur.
Error in the DMA controller.
Error in the first DMA channel.
Error in the second DMA channel.
The BIOS cannot communicate with the floppy disk drive controller.
Check all appropriate connections after the system is powered down.
The BIOS cannot communicate with the hard disk drive controller.
Check all appropriate connections after the system is powered down.
Interrupt channel 1 failed POST.
Interrupt channel 2 failed POST.
The BIOS can read the disk in floppy drive A:, but cannot boot the
system. Use another boot disk.
The keyboard lock on the system is engaged. The system must be
unlocked to continue.
There is an error in the keyboard connector.
Parity error detected in system memory.