IBM N51 Series User Manual

Symptom/Error FRU/Action
0166XXXX, 0167XXXX 1. Token-Ring Network
Adapter/A
2. System Board
0208XXXX
(Verify that there are no
duplicate SCSI ID settings.)
1. Any SCSI Device
0210XXXX
(If the failing device is an
external device, go to the
external devices service
pamphlet.)
1. SCSI Fixed Disk
Drive
2. SCSI Adapter
3. SCSI Cable
4. SCSI ID Switch
(internal SCSI fixed
disk drive only)
0215XXXX
(If the failing device is an
external device, go to the
external device service
pamphlet.)
1. SCSI CD-ROM Drive
2. SCSI Adapter
Undetermined Problem
1. Power-off the computer.
2. Remove or disconnect one of the following adapters
or devices.
 Non-IBM devices
 Any external device (modem, printer, mouse, or
external display)
 Any adapter
 Fixed disk or diskette drive
 Memory module kits.
3. Power-on the computer.
4. If the symptom remains, repeat steps 1, 2, and 3 until
you find the failing adapter or device.
5. If all adapters and devices have been removed and
the problem persists, check the power supply
voltages. If the voltages are correct, replace the
system board. If the voltages are not correct, replace
the power supply. If the symptom remains, reinstall
the original system board and replace the processor
card.
156 IBM Mobile Systems HMM - Volume 1

IBM N51 Series Specifications

General

Brand	IBM
Model	N51 Series
Category	Laptop
Language	English