IBM 240 manual Option, ClickSerial Port

If these items are correct and the test program did not find the problem, ha computer and the option serviced.

The serial port doesMakenot sure that the serial port is enabled by doing the following:

work.

For Windows 98 and Windows 95:

Ÿ If the option came with its own test instructions, use those instructions to the option.

Troubleshooting charts

Other

option

problems

Problem

Action

An

IBM

option

that

youMake

sure

that:

just installed

does

not

The

option

is

designed

for your

computer.

work.

Ÿ

Ÿ

The

option

was

installed

following the

instructions

supplied with

the

option

or

this

book.

Ÿ

Other

installed

options

or

cables

are

not

loose.

Ÿ

There

is no I/O

address

or

interrupt

level (IRQ)

DMA channel

conflict.

To

see

the

system

resource status, start the ThinkPad Configuration program and

click

the

respective device

buttons.

If

the

test

program

for

the

option

did

not

find

the

problem,

have

the

compute

option serviced.

An

IBM

option

that

usedMake

sure

that:

to

work

no longer works.

The

option

is

securely

connected

to

your

computer.

Ÿ

ŸThere is no system resource conflict (see "Resolving System Resource Con- flicts" in the Online User's Guide).

1.Start the ThinkPad Configuration program.

2.ClickSerial Port .

3.SelectEnable .

4. ClickDevice Manager .

5. Set up the port in the "Device Manager" window.

6. ClickOK .

106 ThinkPad 240 User's Reference