Memory Checkout

See the following table for the available memory size of each card.

IC

DRAM

Memory

 

size

 

 

 

 

0

MB

3712

KB

 

 

 

 

2

MB

5760

KB

 

 

 

 

4

MB

7808

KB

 

 

 

 

8

MB

11904

KB

 

 

 

 

 

Memory errors might stop system operations, show error messages on the screen, or hang the system.

Use the following procedure to isolate memory problems.

Note: Make sure that the memory card is fully installed into the connector. Loose connections can cause errors.

1.Power-off the computer and remove the IC DRAM card from its slot (if installed).

2.Press and hold the F1 key; then power-on the computer. Hold the F1 key down until the Easy-Setup screen appears.

3.SelectTest and press enter.

4.SelectMemory and press enter to run the memory

test on base memory. If an error appears, replace the system board.

5.Power-off the computer and reinstall the IC DRAM card; then power-on the computer. Verify the memory size; then test the memory. If an error appears, replace the IC DRAM card.

If memory problems occur intermittently,

use

the

loop

option to repeat the test. When

the

test detects an erro

an error log is printed on the

printer

connected

to the

parallel port. See “Error Log” on

page

45

for

more

 

information.

 

 

 

 

 

System

Programs in Flash

Memory:

System setup

programs

and

diagnostic tests are stored in Flash memory.

Flash

Memory

Update:

A flash memory update is

required

for

the

following

conditions:

ŸConnecting the AC Adapter, and installing the

 

charged battery

pack in

the

computer.

Ÿ

New

versions

of

system

programs.

Ÿ

New

features

or

options

are

added.

To update the flash memory, do the following.

1.Get the appropriate diskette which contains the update.

2.

Insert Systemthe

Program Service

Diskette

into

 

drive A and power-on the computer.

 

3.

SelectUpdate system programs

from the

menu.

26

IBM Mobile

Systems HMM