IBM RS/6000 7043 43P manual Installing Memory-Modules, Ecc

Installing Memory-Modules

You can increase the amount of memory

in

your

systemmemory by

installing

modules. Your system uses

168-pin,

3.3

volt,

dual inline

Error

Correcting

Code

(ECC)

memory

modules

(DIMMs)

to

increase

system

memory.

You

install

memory

modules

into

connectors

inside

the

system. You

can

install

1024MB of

ECC memory in the Model

150

or

Model

240,

and

up

to

768MB

of

memory in the Model 140. (1MB equals approximately

1 000 000

bytes.) The

memory module sizes for your system

include

256MB,

128MB,

64MB,

32MB,

and

16MB. The

available

speed

for

these

memory

modules

is

60

ns.

ATTENTION

:

Memory

modules

in the Model 240 must be

installed in

identical

(size and speed). Neither the Model

140

or

Model

240

support

channel

memo

such

as

memory expansion

adapters.

Before you begin:

ŸRead “Safety Considerations” on page 4-2 and “Handling Static Sensitive Devices” on page 4-3.

ŸRemove the system unit cover (see “Removing the Cover” on page 4-4).

4-247043 43P Series User's Guide