Please see the LEGAL - Trademark notice.
Beep symptoms
Beep symptoms are short tones or a series of short tones separated by
(intervals without sound) pauses.
See the following examples.
Note: One beep after successfully completing POST indicated the system is functioning properly.
Beeps
Description
1-2-3
° One beep
° A pause (or break)
° Two beeps
° A pause (or break)
° Three beeps
4
Four continuous beeps
Beep/Symptom
FRU/Action
1-1-2
1. Optional Processor (if installed)
(Processor register test failed)
2. Processor
1-1-3
1. Battery
(CMOS write/read test failed)
2. Processor Board
3. System Board
1-1-4
1. System Board
(BIOS EEPROM checksum failed)
2. Processor Board
1-2-1
1. System Board
(Programmable Interval Timer
2. Processor Board
failed)
1-2-2
1. System Board
(DMA initialization failed)
2. Processor Board
1-2-3
1. System Board
(DMA page register write/read
2. Processor Board
failed)
1-2-4
1. System Board
(RAM refresh verification
failed)
1-3-1
1. DIMM
(1st 64K RAM test failed)
2. Processor Board
1-3-2
1. DIMM
(1st 64K RAM parity test
2. Processor Board
failed)
3. System Board
2-1-1
1. System Board
(Secondary DMA register
failed)
2-1-2
1. System Board
(Primary DMA register
failed)
2-1-3
1. System Board
(Primary interrupt mask
register failed)
2-1-4
1. System Board
(Secondary interrupt mask
register failed)
2-2-1
1. System Board
(Interrupt vector loading
2. Processor Board
failed)
2-2-2
1. System Board
(Keyboard controller failed)
2-2-3
1. Battery
(CMOS power failure and
2. System Board
checksum checks failed)
2-2-4
1. Battery
(CMOS configuration info
2. System Board
validation failed)
2-3-1
1. System Board
(Screen initialization failed)
2-3-2
1. System Board
(Screen memory failed)
2-3-3
1. System Board
(Screen retrace failed)
2-3-4
1. System Board
(Search for video ROM failed)
2-4-1
1. System Board
(Video failed, screen
believed operable)
3-1-1
1. System Board
(Timer tick interrupt failed)
3-1-2
1. System Board
(Interval timer channel 2
failed)
3-1-3
1. DIMM
(RAM test failed above
2. Processor Board
address 0FFFFH)
3. System Board
3-1-4
1. Battery
(Time-Of-Day clock failed)
2. System Board
3-2-1
1. System Board
(Serial port failed)
3-2-2
1. System Board
(Parallel port failed)
3-2-3
1. Optional Processor (if installed)
(Math coprocessor failed)
2. Processor
3. Processor Board
3-2-4
1. DIMM
(Failure comparing CMOS
2. Battery
memory size against actual)
3-3-1
1. DIMM
(Memory size mismatch occurred)
2. Battery
3-3-2
1. Disconnect the server power cord from outlet,
(Critical SMBUS error occurred)
wait 30 seconds and retry.
2. Memory DIMMs
3. Processor Board
3-3-3
1. Install or reseat the memory modules
(No memory in system)
2. DIMMs
3. Processor Board
4. System Board
Two Short Beeps
1. Run Diagnostics
(Information only, the
2. Run Configuration/Setup
configuration has changed)
3. Processor Board
Three Short Beeps
1. DIMM
2. Processor Board
3. System Board
One Continuous Beep
1. Processor
2. Optional Processor (if installed)
3. Processor Board
4. 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
Two Long and Two Short Beeps
1. Video adapter
No Beep Symptom
FRU/Action
No beep and the system
1. Speaker
operates correctly.
2. System Board
No Beeps occur after
1. Run Configuration/Setup, set the Start Options
successfully completing
Power-On Status to enable.
POST
2. Speaker
(The Power-On Status is
3. System Board
disabled.)
No ac power
1. Check the power cord
(Power supply ac LED is off)
2. Power Supply (If two are installed, swap them
to determine if one is defective.)
No beep and no video
1. See 'Undetermined problems'.
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Feel free - send a for any BUG on this page found - Thank you.