IBM ThinkPad T21 Service Manual

Symptom or error FRU or action, in sequence
0193
RF antenna has been removed
Enter the supervisor
password.
0194
The computer has been carried
through a security gate
Enter the supervisor
password.
0195
Security hardware tamper
detected
1. Enter IBM BIOS Setup
Utility by entering
supervisor password, and
select “Password” -->
“IBM Security Chip” -->
“Clear IBM Security Chip”
to clear this error.
2. Security chip.
3. System board.
0196
Security hardware removed
1. Enter IBM BIOS Setup
Utility by entering
supervisor password, and
select “Password” -->
“IBM Security Chip” -->
“Clear IBM Security Chip”
to clear this error.
2. Security chip.
3. System board.
0197
Invalid remote change
requested
The remote configuration for
the security chip has failed.
Confirm the operation and try
again.
01C9
More than one Ethernet devices
are found. Remove one of
them. Press <Esc> to continue.
1. Remove the Ethernet
device that you installed;
or press Esc to ignore the
warning message.
2. System board.
0200
Hard disk error—The hard disk
is not working.
1. Reseat the hard-disk
drive.
2. Load Setup Defaults in IBM
BIOS Setup Utility.
3. Hard-disk drive.
4. System board.
021x
Keyboard error
Run interactive tests of the
keyboard and the auxiliary
input device.
0220
Monitor type error—Monitor
type does not match the one
specified in CMOS.
Load Setup Defaults in IBM
BIOS Setup Utility.
0230
Shadow RAM error—Shadow
RAM fails at offset nnnn.
System board.
0231
System RAM error—System
RAM fails at offset nnnn.
1. DIMM.
2. System board.
Symptom-to-FRU index
50 ThinkPad T20, T21, T22, T23 (MT 2647/2648)

IBM ThinkPad T21 Specifications

General

Brand	IBM
Model	ThinkPad T21
Category	Laptop
Language	English