IBM MICRO TOWER 2169 - Manual (Page 80)

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Table 2-2 BIOS Error Codes, Messages, and Beeps List
BIOS Error Codes,
Messages, beeps Action/FRU
NOTE: To diagnose a problem, first find the BIOS error
messages, codes, or 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.
Beeps
(2: long, 1: short)
2-1-1
2- (repeatedly)
This code indicates that a video error
has occurred and the BIOS cannot
initialize the video screen to display
any additional information.
The code indicates that DRAM error
has occurred. See “Memory (DIMM)”
on page 121 to get more information.