| Symptom/Error |
FRU/Action |
| Continuous beep. |
1. System Board |
| Repeating short beeps. |
1. Keyboard |
| (See |
2. Keyboard Control Card |
| 'Ext. Keyboard/Aux. Inp. Device Checkout' |
3. System Board |
| before replacing any FRUs.) |
|
| One long and one short beep. |
1. System Board |
| One long and two short beeps. |
1. System Board |
| One short beep and a blank, unreadable, |
1. LCD Panel |
| or flashing display with no |
2. LCD Inverter |
| external display attached. |
3. System Board |
| |
4. LCD Cable |
| One short beep and Diskette |
1. Diskette Drive |
| Prompt or a program load from the |
2. System Board |
| hard disk or unable to read diskette. |
3. Diskette Drive Cable |
| Two short beeps and a blank display. |
1. System Board |