BIOS Error Beeps List - Aptiva (SL-A) 2139/53/58/63

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
(L: long beep, S: short beep)
L-S-L-L	System board
DMA internal register test fail
L-S-S-S
KBC (keyboard controller) self
test is failed or not installed
L-S-S-L
Shutdown byte in RTC/CMOS
read/write test failed
L-S-L-S	Insert the memory modules in the DIMM sockets
System DRAM refresh cycle is	properly, then reboot the system.
out of specification	Memory module. See the 'Step 005 of 'Memory'
L-S-S-L	Shutdown byte in RTC/CMOS r/w test failure
L-L-L-S	to replace memory module.
The first 128KB of base memory	System board
r/w test failed
L-L-S-L	See 'Flash (BIOS) Update Procedure'
The BIOS code in flash ROM is	System board
corrupted
L-S-S	Video adapter card
Video buffer has error	System board
S-S	Reconnect monitor.
Console does not exist and	Monitor.
message displayed to terminal
L-L-S-S-S	Ensure the system board has memory installed.
No DIMM installed	Insert the memory modules in the DIMM sockets
	properly, then reboot the system.
	Memory module. See the 'Step 005 of 'Memory'
	to replace memory module.
For 2139, 2153/K6 and 2163 only
L-L-S-S	No SPD or revision is not correct
	(Rev must be 1.2 or later)
L-L-L-S	System board
Registered & Unregistered
DIMMs are mixed
L-L-L-S-S	Ensure the system board has no EDO type DIMM installed.
EDO DIMM & SDRAM DIMM are mixed
L-L-L-S-S-S	Ensure the DIMM type is PC-100.
66MHz DIMM running on 100MHz