IBM R50 Series Laptop User Manual


 
Symptom or error FRU or action, in sequence
02F4
EISA
CMOS not writable.
1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. Replace the backup battery.
3. System board.
02F5
DMA
test failed.
1. DIMM.
2. System board.
02F6
Software
NMI failed
1. DIMM.
2. System board.
02F7
Fail-safe
timer NMI failed
1. DIMM.
2. System board.
1802
Unauthorized
network card is
plugged in—Turn off and
remove the miniPCI network
card.
1. Remove Mini PCI network
card.
2. System board.
1803
Unauthorized
daughter card is
plugged in—Turn off and
remove the daughter card.
1. Remove the daughter
card that you installed.
2. System board.
Symptom-to-FRU index
ThinkPad R50/R50p and R51 Series 57