IBM Types 2193, Maintenance Service Manual

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Table 2-1 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.
PRESS F1 TO
DISABLE NMI, F2 TO
REBOOT When BIOS detects a Non-maskable
Interrupt condition during boot, this will
allow you to disable the NMI and
continue to boot, or you can reboot the
system with the NMI enabled.
RAM PARITY
ERROR – CHECKING
FOR SEGMENT ... Indicates a parity error in Random
Access Memory.
Memory parity Error
at ...
Indicates a memory parity error at a
specific location. You can use this
location along with the memory map
for your system to find and replace the
bad memory chips.
Memory Verify Error
at ...
Indicates an error verifying a value
already written to memory. Use the
location along with your system's
memory map to locate the bad chip.
OFFENDING
ADDRESS NOT
FOUND This message is used in conjunction
with the I/O CHANNEL CHECK and
RAM PARITY ERROR messages
when the segment that has caused the
problem cannot be isolated.
ERROR
ENCOUNTERED
INITIALIZING HARD
DRIVE Hard drive cannot be initialized. Be
sure the adapter is installed correctly
and all cables are correctly and firmly
attached. Also be sure the correct
hard drive type is selected in Setup.
ERROR INITIALIZING
HARD DISK
CONTROLLER Cannot initialize controller. Make sure
the cord is correctly and firmly
installed in the bus. Be sure the
correct hard drive type is selected in
Setup. Also check to see if any
jumper needs to be set correctly on
the hard drive.
FLOPPY DISK
CNTRLR ERROR OR
NO CNTRLR
PRESENT Cannot find or initialize the floppy drive
controller. Make sure the controller is
installed correctly and firmly. If there
are no floppy drives installed, be sure
the Diskette Drive selection in Setup is
set to NONE.