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Error Messages
Symptom/Error
FRU/Action in Sequence
Device
Address Con-
flict
1. Load Setup Defaults in BIOS Setup
Utility.
2. Backup battery (RTC)
3. System board
Allocation
Error for:
device
1. Load Setup Defaults in BIOS Setup
Utility.
2. Backup battery (RTC)
3. System board
Failing Bits:
nnnn
1. DIMM
2. BIOS ROM
3. System board
Invalid
System Con-
figuration
Data
1. BIOS ROM
2. System board
I/O device
IRQ conflict
1. Load Setup Defaults in BIOS Setup
Utility.
2. Backup battery (RTC)
3. System board
Operating
system not
found
1. Enter BIOS Setup Utility and see if
the hard disk drive and diskette drive
A: are properly identified.
2. Diskette drive (FDD ASM)
3. Hard disk drive
4. System board
Critical
battery low
Save your work; then connect the AC
Adapter to the computer to recharge the
battery.
No Beep Symptoms
Symptom/Error
FRU/Action in Sequence
No beep, power-on
indicator on, LCD
blank, no POST
Ensure every connector is
connected tightly and cor-
rectly.
DIMM
Reseat CPU card.
CPU card
System board
No beep, power-on
indicator off, LCD
blank during POST
Battery ASM
AC Adapter
DC-DC & BATT board ASM
System board
No beep, power-on
indicator on, LCD
blank during POST
Reseat DIMM.
CPU card
System board
ThinkPad 390E
43
Summary of Contents for ThinkPad 2626
Page 1: ...S37L 5153 01 IBM Mobile Systems ThinkPad 390E 2626 Hardware Maintenance Manual March 1999 ...
Page 6: ...vi ThinkPad 390E ...
Page 9: ...Service Tools 118 Notices 119 Trademarks 119 Contents ix ...
Page 10: ...x ThinkPad 390E ...
Page 28: ...18 ThinkPad 390E ...
Page 116: ...Switch Location Keyboard Lan guage US European Japanese J2 ON OFF J3 ON ON 106 ThinkPad 390E ...
Page 130: ...IBM Part Number 00N5907 Printed in U S A S37L 5153 ð1 ...