System Bios Error Message - DTK Apex 386/33 User Manual

5-3 System BIOS Error Message

Error
8254
- Indicates a 8254 timer controller failure.
8237 Error
- Indicates a 8237 DMA controller failure.
74612 Error
- Indicates a 74612 page register failure.
8259 Error
- Indicates a 8259 interrupt controller failure.
8742 Error
- indicates a 8742 controller failure.
Check Battery
- Indicates a system backup battery disconnection or
RTC Checksum Error
- Indicates that the system memory refresh function does
Refresh Indicator Error
- Indicates that the system memory refresh does not work.
Base 64K Memory Error
- Indicates that the system's first 64K memory does not
FDC Error User Check
- Indicates that the floppy diskette does not work.
FDC Seek Failure
- Indicates a failure of the floppy diskette "seek" operation.
Keyboard Error User Check
- Indicates the disconnection of the keyboard from the sys-
power loss.
not work.
work.
tem or a keyboard device failure.
Chapter 5: Troubleshooting 7