Symptom-to-FRU Index
The Symptom-to-FRU Index lists the symptoms and errors
and the possible causes. The most likely cause is listed
first. Use this index to help you decide which FRUs to
have available when servicing a computer.
For errors indicated by the diagnostic tests, see “FRU
Codes” on page 298. If the symptom is not listed, go to
“Undetermined Problems” on page 301.
In the following error codes, X can be any number.
Note
For IBM devices not supported by ThinkPad 710T
diagnostic code, refer to the manual for that device.
Numeric Error Codes
Symptom / Error FRU / Action
10X 1. System Board
110
(Check “Memory Checkout”
on page 290 before
changing any device.)
1. SIMM Card
2. System Board
111 1. Option Bus
2. System Board
161 1. Refer to “Backup
Battery Test” on
page 293.
2. System Board
162
(See “Checking the Installed
Devices List” on page 302
before changing any FRU.)
1. Check Device
Configuration
2. System Board
3. Diskette Drive
Assembly
4. Hard Disk Drive
Assembly
5. Diskette Drive Cable
6. Hard Disk Drive Cable
7. Modem Card
163 1. Set Time and Date.
2. System Board
164
(See “Memory Checkout” on
page 290 before changing
any FRU.)
1. Check Device
Configuration.
2. SIMM Card
3. System Board
199 1. Refer to “Checking
the Installed Devices
List” on page 302.
1XX 1. System Board
20X 1. System Board
2. SIMM Card
296 IBM Mobile Systems HMM - Volume 1
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