Memory - HP xw4200 Service And Technical Reference Manual

Memory

The HP Workstation xw4200 has four memory sockets. The system supports industry-standard, 240-pin
DDR2 DIMMs.
The system can support up to 4 GB of memory (1-GB DIMM in each socket). Although a single 128-MB
DIMM configuration is possible (on XMM1 only), always install DIMMs in pairs for optimal dual-channel
operation.
Memory Module Requirements
Use only industry standard, unbuffered, PC2-3200 or PC2-4300 DIMMs.
Install unbuffered DDR2 DIMMs in pairs of matched size and type.
Registered memory is not supported.
Removing Memory Module
To remove DIMMs from the unit:
1 Disconnect power from the system
workstation on its side with the system board facing up.
CAUTION To ensure that memory modules are not damaged during removal or installation, power off
the workstation and unplug the power cord from the AC power outlet. Wait until the LED on the back of
the power supply turns off before removing memory. If you do not unplug the power cord while installing
memory, your memory modules might be damaged and the system will not recognize the memory
changes.
2 Gently push outwards on the socket levers
3 Lift the DIMM 2 straight up and remove it from the unit.
1
To replace memory, reverse the previous steps.
(page 73), remove the access panel
1 as shown in the following illustration.
2
REMOVAL AND REPLACEMENT OF COMPONENTS 93
(page 77), and lay the
1