Table
Hard disk controller error | The hard drive controller | Check the drive parameters. Turn |
| failed to respond to the | off the system and check all |
| reset command. | related connections. |
Keyboard controller failure | The keyboard failed the | Replace the system board. |
|
| |
Keyboard failure | The keyboard failed to | Replace the keyboard. If the |
| respond to the RESET ID | problem persists, replace the |
| command. | system board. |
No interrupts from Timer 0 | The periodic timer interrupt | Replace the system board. |
| is not occurring. |
|
ROM at xxxx (LENGTH yyyy) | An illegal adapter ROM | Check the external adapter (such |
with nonzero checksum (zz) | was located at the | as a video card) to determine if |
| specified address. | it is causing the conflict. |
Time/Date corrupt - run SCU | The time and date stored | 1. Run Computer Setup. |
| in the real time clock have | 2. If problem persists, replace |
| been corrupted, possibly | auxiliary battery. |
| by a power loss. | 3. If problems persists, replace |
|
| system board. |
Hard disk xx failure (or error)
A failure or an error occurred when trying to access the hard drive.
1.Run ScanDisk.
2.Check disk in DOS and Windows 95.
Fatal errors emit a beep and may display a FATAL message. Fatal errors indicate severe problems, such as a hardware failure. Fatal errors do not allow the system to resume. Some of the Fatal error beep codes are listed at the end of this section.
Table
Message | Description | Beep code |
CMOS RAM test failed | A walking bit test of CMOS RAM location | 3 |
| 0E (Hex) - 3F (Hex) failed. |
|
DMA controller faulty | A sequential read/write of the transfer | 4 |
| count and transfer address registers |
|
| within the primary and secondary DMA |
|
| controllers failed. |
|
Faulty DMA page registers | A walking bit read/write of the 16 DMA | 0 |
| controller page registers starting at |
|
| location 80 Hex failed. |
|
Faulty refresh circuits | A continuous read/write test of port 61h | 1 |
| found that bit 4 (Refresh Detect) failed |
|
| to toggle within an allotted amount of |
|
| time. |
|
Interrupt controller failed | A sequential read/write of various | 5 |
| Interrupt Controller registers failed. |
|
ROM checksum incorrect | A checksum of the ROM BIOS does not | 2 |
| match the byte value at F000:FFFF. |
|
RAM error at location xxxx | RAM error occurred during memory test. | None |
*Beep codes are defined in Table
Troubleshooting