HP KAYAK XM600 Stücklistenhandbuch

Removing, Replacing and Upgrading

Memory in HP Kayak XM600 Models

IMPORTANT NOTE This text was updated in December 2000 and replaces all earlier

information on memory replacement in the HP Kayak XM 00.

Replacing SDRAM

SDRAM was available on some XM 00 models shipped before May 2000.

Following an announcement made by the Intel Corporation that SDRAM

memory should not be used with the Intel 820 chipset (the chipset used in

the Kayak XM 00) HP is replacing all SDRAM memory shipped with

RDRAM (RAMBUS DRAM) memory.

To determine whether you have SDRAM or RDRAM memory installed,

remove the cover of the PC. SDRAM models of the HP Kayak XM 00 carry a

Memory Expansion Card supporting one or two Synchronized Dynamic

RAM (SDRAM) 100 MHz memory modules .

If a memory Expansion Card is installed, as shown below, then the PC

contains SDRAM memory.

To carry out the conversion, you should contact HP Support. You will then

be able to upgrade with RDRAM memory as described below.

The Memory Expansion Card is installed in a reserved memory socket on

the system board (the third socket, furthest from the processor(s)). The

two remaining memory sockets on the system board, RIMM0 and RIMM1

each contain a continuity module.

Removing the Memory Expansion Card

with one or two SDRAM module(s)

Removing the Memory Expansion ard and SDRAM Modules

You cannot upgrade with RDRAM memory until the Memory Expansion

Card and all SDRAM memory has been removed.

1Switch off the display and PC Workstation. Disconnect all power cables

and any LAN or telecommunications cables.

2Remove the PC Workstation’s cover (refer to the User Guide for detailed

instructions).

3Remove the HP UltraFlow Airflow Guide to obtain access to the SDRAM

modules and sockets on the memory expansion card.

4Release the retaining screw located on the Memory Expansion Card.

Then remove the screw from the accessory card socket.

5Open the two retaining clips on the system board to release the Memory

Expansion Card, then remove it from the connector.

6Remove the memory modules from the old Memory Expansion Card. To

remove a memory module, open the two retaining clips and lift the

module out of the socket.

7Install the replacement RDRAM module(s) with the necessary

Continuity and Terminator modules in the correct memory slots on the

mother board, as described in the following section see “Upgrading

RDRAM Memory”.

➏

Upgrading RDRAM Memory

RDRAM models of the HP Kayak XM 00 PC Workstation support one or

two RAMBUS Direct RAM (RDRAM) memory modules

NOTE Use only the HP memory modules provided for your PC model. If you want

to find out about available accessories for your PC, refer to the HP

Accessories Web site at: http://www.hp.com/go/pcaccessories

If only one

oneone

one RDRAM module is installed

•it must be installed in the socket RIMM0, nearest the processor(s)

•the socket RIMM1 must contain an RDRAM Continuity Module

•the socket RIMM2 must contain an RDRAM Terminator Module.

If two

two two

two RDRAM modules are installed

•they must be installed in the two sockets nearest the processor(s),

RIMM0 and RIMM1

•ECC and non-ECC modules can be mixed, but if this is done, all memory

will operate in non-ECC mode

•the socket RIMM2 must contain an RDRAM Terminator Module.

RDRAM Terminator Module

marked “C RIMM”

System board edge

Second RDRAM module, or

RDRAM Continuity Module

if unused

Processor 2, or processor

terminator card if unused

Processor 1

First RDRAM module

Removing and Replacing an RDRAM Module

1Switch off the display and PC Workstation. Disconnect all power cables

and any LAN or telecommunications cables.

2Remove the PC Workstation’s cover (refer to the User Guide for detailed

instructions).

3Remove the HP UltraFlow Airflow Guide.

4To remove a memory module, open the two retaining clips and lift the

module out of the socket.

5To install a module, check that the two notches of the memory module

are aligned with the two locating stubs in the socket (these ensure the

module cannot be inserted in the reverse alignment). With the two

retaining clips open, press the memory module completely into the

socket. You hear two clicks as the retaining clips click into position.

6Replace the HP UltraFlow Airflow Guide.

7Replace the PC Workstation’s cover. Reconnect all the power and

telecommunications cables.

8Power up the PC and check the HP Summary Screen to verify the new

configuration.

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