IBM 201 manual POST beep codes continued, boot reset. See the Hardware Installation Guide

Table 15. POST beep codes (continued)

Symptom	FRU/action
3-1-1(Timer tick interrupt	System board
failed)
3-1-2(Interval timer channel	System board
2 failed)
3-1-3(RAM test failed above	1.	DIMM
address OFFFFH)	2.	System board
3-1-4(Time-Of-Day clock	1.	Battery
failed)
	2.	System board
3-2-1(Serial port failed)	System board
3-2-2(Parallel port failed)	System board
3-2-3(Math coprocessor	Processor
failed)
3-2-4(Failure comparing	1.	DIMM
CMOS memory size against
	2.	Battery
actual)
3-3-1(Memory size	1.	DIMM
mismatch occurred; see the
	2.	Battery
Hardware Installation
Guide.)
3-3-2(Critical SMBUS error	1.	Disconnect the server power cord from outlet, wait 30
occurred)
		seconds and retry.
	2.	System board
	3.	DIMMs
	4.	DASD backplane
	5.	Power supply
	6.	Power supply backplane
	7.	12 C cable
3-3-3(No operational	1.	Install or reseat the memory modules, then do a 3
memory in system)
		boot reset. (See the Hardware Installation Guide.)
	2.	DIMMs
	3.	Memory board
	4.	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.	System board
Repeating Short Beeps	1.	Keyboard
	2.	System board
One Long and One Short	1.	Video adapter (if present)
Beep
	2.	System board

90NAS 200 User’s Reference