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| Beeps | Description |
|---|---|
| 1-2-X | One beep |
| A pause (or break) | |
| Two beeps | |
| A pause (or break) | |
| Any number of beeps | |
| 4 | Four beeps |
| Beep/Symptom | FRU/Action |
|---|---|
| 1-1-3 | 1. Run Setup |
| CMOS read/write error | 2. System Board |
| 1-1-4 | 1. System Board |
| ROM BIOS check error | |
| 1-2-X | 1. System Board |
| DMA error | |
| 1-3-X | 1. Memory Module |
| 2. System Board | |
| 1-3-4 | 1. Memory Types Mixed |
| - unbuffered & registered | |
| 2-1-1, 2-1-2 | 1. Run Setup |
| 2. System Board | |
| 2-1-X | 1. Memory Module |
| First 64 KB of RAM failed. | 2. System Board |
| 2-2-2 | 1. Video Adapter (if installed) |
| 2. System Board | |
| 2-2-X | 1. Memory Module |
| First 64 KB of RAM failed. | 2. System Board |
| 2-3-X | 1. Memory Module |
| 2. System Board | |
| 3-1-X | 1. System Board |
| DMA register failed. | |
| 3-2-4 | 1. System Board |
| Keyboard controller failed. | 2. Keyboard |
| One Beep | 1. N/A |
| (POST completed successfully or | |
| an incorrect password was entered) | |
| Two Short Beeps | 1. Run Diagnostics |
| (POST encountered an error) | |
| Three Short Beeps | 1. Dual Inline Memory Module |
| 2. Microprocessor | |
| 3. System Board | |
| One Continuous Beep | 1. Optional Microprocessor (if installed) |
| 2. Microprocessor | |
| 3. System Board | |
| Repeating Short Beeps | 1. Keyboard |
| 2. System Board | |
| One Long and One Short Beep | 1. Video adapter (if present) |
| 2. System Board | |
| One Long and Two Short Beeps | 1. Video adapter (if present) |
| 2. System Board | |
| One Long and Three Short Beeps | 1. Verify monitor connections |
| (Monitor not connected) | 2. Video adapter (if present) |
| 3. System Board | |
| Two Long and Two Short Beeps | 1. Video adapter |
| (Video adapter not supported) |
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.