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 |
1-1-2 | 1. Optional Microprocessor |
(Microprocessor register test failed) | (if installed) |
2. Microprocessor | |
1-1-3 | 1. Real-Time Clock or Battery |
(CMOS write/read test failed) | 2. System board |
1-1-4 | 1. System Board |
(BIOS read only memory checksum | |
failure) | |
1-2-1 | 1. System board |
(Programmable Interval Timer | 2. Microprocessor |
test failure) | |
1-2-2 | 1. System board |
(DMA initialization test in | 2. Microprocessor |
progress or failure) | |
1-2-3 | 1. System board |
(DMA page register write/read | 2. Microprocessor |
test in progress or failure) | |
1-2-4 | 1. System board |
(RAM refresh verification failure) | 2. Microprocessor |
1-3-1 | 1. Dual Inline Memory Module (DIMM) |
(1st 64K RAM test failed) | 2. Microprocessor |
1-3-2 | 1. Dual Inline Memory Module (DIMM) |
(1st 64K RAM parity test failure) | 2. Microprocessor |
3. System Board | |
1-4-3 | 1. System Board |
(Interrupt vector loading | 2. Microprocessor |
test has failed) | |
2-1-1 | 1. System board |
(Secondary DMA register test is | |
in progress or has failed) | |
2-1-2 | 1. System board |
(Primary DMA register test is | |
in progress or has failed) | |
2-1-3 | 1. System board |
(Primary interrupt mask register | |
test has failed) | |
2-1-4 | 1. System board |
(Secondary interrupt mask register | |
test has failed) | |
2-2-2 | 1. System Board |
(Keyboard controller test is | 2. Keyboard |
in progress or has failed) | |
2-2-3 | 1. Battery |
(CMOS power failure and | 2. System board |
checksum checks are in progress) | |
2-3-2 | 1. Video Adapter |
(Screen memory test is in | 2. System board |
progress or has failed) | |
2-3-3 | 1. Video Adapter |
(Screen retrace tests are in | 2. System board |
progress or have failed) | |
3-1-1 | 1. System Board |
(Timer tick interrupt test is in | |
progress or have failed) | |
3-1-2 | 1. System Board |
(Interval timer channel 2 test | |
is in progress or has failed) | |
3-1-4 | 1. System Board |
(Time-Of-Day clock test is in | |
progress or has failed) | |
3-2-4 | 1. Battery |
(Comparing of CMOS memory | 2. System Board |
size against actual is in progress) | |
3-3-1 | 1. Run Setup |
(Memory size mismatch has occurred) | |
One Short 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 |
2. Video Adapter (if present) | |
3. System Board | |
Two Long and Two Short Beeps | 1. Video adapter |
(Video adapter not supported) |