no RAM in system external video card detected
| Beep Code | Description |
|---|---|
| 5-1-2 | BIOS update error no RAM in system |
| 5-1-3 | BIOS update error external video card detected |
| 5-1-4 | BIOS execution error |
| 6-1-2 | I/O controller failure |
| 6-1-3 | Keyboard controller failure |
| 6-1-4 | CMOS Register Test failure |
| 6-2-1 | BIOS shadowing failure |
| 6-2-3 | Processor speed detection error |
| 6-2-3 | No SIMM installed |