| Beep Codes, IBM & Macintosh BIOS beep codes |
|
|
IBM BIOS beep codes
The IBM beep codes consist of short and long beeps, similar to the Award BIOS codes although the IBM codes are a lot more descriptive.
| Beep Code | Description |
| No Beeps | No Power, Loose Card, or Short. |
| 1 Short Beep | Normal POST, Computer is ok. |
| 2 Short Beeps | POST error, review screen for error code. |
| Continuous Beeps | No Power, Loose Card, or Short. |
| Repeating Short Beeps | No Power, Loose Card, or Short. |
| 1 Long & 1 Short Beeps | Motherboard issue. |
| 1 Long & 2 Short Beeps | Video (Mono/CGA) Display circuitry. |
| 1 Long & 3 Short Beeps | Video (EGA) Display circuitry. |
| 3 Long Beeps | Keyboard / Keyboard card error. |
| 1 Beep, Blank or Incorrect Display | Video Display Circuitry. |
Macintosh Start-up tones
Modern Macs beep when they fail there POST, the beeps will depend on the model but here are the standard codes.
| Beep Code | Description |
| Error Tone. (two sets of different tones) | Problem with logic board or SCSI bus. |
| Start-up tone, drive spins, no video. | Problem with video controller. |
| Powers on, no tone. | Logic board problem. |
| High Tone, 4 Higher Tones | Problem with SIMM. |
No comments:
Post a Comment