Mylex BIOS:
| Beeps | Error Message | Description | |||
| 1 | Normal boot
| System is booting normally | |||
| 2 | Video adapter error | The video adapter is either faulty or not seated properly. Check the adapter | |||
| 3 | Keyboard controller error | The keyboard controller IC is faulty. Replace the IC if possible | |||
| 4 | Keyboard error | The keyboard controller IC is faulty or the keyboard is faulty. Replace the keyboard, if problem still persists, replace the keyboard controller IC | |||
| 5 | PIC 0 error | The programmable interrupt controller is faulty. Replace the IC if possible | |||
| 6 | PIC 1 error | The programmable interrupt controller is faulty. replace the IC if possible | |||
| 7 | DMA page register error | The DMA controller IC is faulty. Replace the IC if possible | |||
| 8 | RAM refresh error | ||||
| 9 | RAM data error | ||||
| 10 | RAM parity error | ||||
| 11 | DMA controller 0 error | The DMA controller IC for channel 0 has failed | |||
| 12 | CMOS RAM error | The CMOS RAM has failed | |||
| 13 | DMA controller 1 error | The DMA controller IC for channel 1 has failed | |||
| 14 | CMOS RAM battery error | The CMOS RAM battery has failed. If possible, replace the CMOS or battery | |||
| 15 | CMOS RAM checksum error | The CMOS RAM has failed. If possible, replace the CMOS | |||
| 16 | BIOS ROM checksum error | The BIOS ROM has failed. If possible replace the BIOS or upgrade it |
