Beep Symptoms

Beep Symptoms

Beep symptoms are short tones or a series of short tones separated by pauses (intervals without sound).
See the following examples.

NOTE One beeps 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
(Processor register	(if installed)
test failed)	2. Processor
1-1-3	1. Battery
(CMOS write/read	2. System Board
test failed)
1-1-4	1. DIMM
(BIOS ROM checksum	2. System Board
failed)
1-2-1	1. System Board
(Programmable Interval
Timer failed)
1-2-2	1. System Board
(DMA initialization
failed)
1-2-3	1. System Board
(DMA page register
write/read failed)
1-2-4	1. System Board
RAM refresh verification
failed
1-3-1	1. DIMM
(1st 64K RAM test failed)
1-3-2	1. DIMM
(1st 64K RAM parity test	2. System Board
failed)
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
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. System Board
address 0FFFFH)
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
3-2-4	1. DIMM
(Failure comparing CMOS	2. Battery
memory size against actual)
3-3-1	1. DIMM
(Memory size mismatch	2. Battery
occurred)
3-3-2	1. Disconnect the server power cord from outlet,
(Critical SMBUS error	wait 30 seconds and retry.
occurred)	2. Memory DIMMs
3-3-3	1. Install or reseat the memory modules
(No memory in system)	2. DIMMs
	3. System Board
Two Short Beeps	1. Run Diagnostics
(Information only, the	2. Run Configuration/Setup
configuration has changed)
Three Short Beeps	1. DIMM
	2. System Board
One Continuous Beep	1. Processor
	2. Optional Processor (if installed)
	3. System Board
Repeating Short Beeps	1. Keyboard
	2. System Board
One Long and One Short	1. Video adapter (if present)
Beep	2. System Board
One Long and Two Short	1. Video adapter (if present)
Beeps	2. System Board
Two Long and Two Short	1. Video adapter (if present)
Beeps