IBM ThinkPad 340 Series Hardware Maintenance Manual page 102

Symptom/Error
Real-time clock inaccurate.
Printer problems.
Serial or serial port device
problems.
Parallel or parallel port
device problems.
Internal Data/Fax modem
does not communicate with
a remote modem or a
facsimile machine.
PS2 command cannot
power-off internal modem
unless computer is
powered-off.
92
IBM Mobile Systems HMM
FRU/Action
1. See "Checking the
Backup Battery" on
page 75 before
replacing any FRUs.
2. Backup Battery
3. System Board
1. See "Printer
Checkout" on
page 474
1. Device
2. Cable
3. Serial Adapter (if
attached)
4. System Board
1. Device/printer
2. Cable
3. Parallel Adapter (if
attached)
4. System Board
1. See "Fax/Modem
Checkout" on
page 472
1. Create new PS2
setup program using
UINSTALL command.
(Reference Diskette
must be 1.10 or later.)