IBM 6646, 6645, 6644 manual Bios Error Beeps List, Bios Error Beeps Action/FRU

Table 2-2 BIOS Error Beeps List

NOTE: To diagnose a problem, first find the BIOS error beeps in left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.

BIOS Error Beeps	Action/FRU
1-1-3	Enter BIOS Setup and load
CMOS Write/ Read Error	the default settings.
	CMOS battery.
	System board.
1-1-4	Enter BIOS Setup and load
BIOS ROM Checksum	the default settings.
Error	CMOS battery.
	System board.
1-2-1	Enter BIOS Setup and load
Programmable Interval	the default settings.
Timer Test Error	System board.
1-2-2	Enter BIOS Setup and load
DMA initialization Error	the default settings.
	System board.
1-2-3	Enter BIOS Setup and load
DMA Page Register Write/	the default settings.
Read Test Error	System board.
1-2-4	Enter BIOS Setup and load
RAM Refresh Verification	the default settings.
Error	System board.
1-3-1	Insert the memory modules
1st 64K RAM Test Error	in the DIMM sockets
	properly, then reboot the
	system.
	Memory module. See the
	“Step 005” of “Memory” on
	page 64 to replace memory
	module.
	System board

Check Procedures 45