IBM XSERIES 220 manual Beep/Symptom FRU/Action System Board, Jumper on J28

Beep/Symptom		FRU/Action
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.	DIMM
(RAM refresh	2.	System Board
verification failed)
1-3-1	1.	DIMM
(1st 64K RAM test	2.	System Board
failed)
1-3-2	1.	DIMM
(1st 64K RAM parity	2.	Processor
test failed)
	3.	System Board
1-4-3	1.	System Board
(Interrupt vector
loading test 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	2.	Keyboard
failed)
2-2-3	1.	Battery
(CMOS power failure	2.	System board
and checksum checks
failed)
2-2-4	1.	Battery
(CMOS configuration	2.	System board
info validation failed)
2-3-1	1.	Jumper on J28
(Screen initialization	2.	System Board
failed)

112Hardware Maintenance Manual: xSeries 220