Hardware Upgrades
identical. Therefore, if you have one preinstalled DIMM in socket J23 and are adding a second DIMM, it is recommended that you install an identical DIMM into the J25 socket. If you are populating all four DIMM sockets, use identical DIMMs in each socket. Otherwise, the system will not operate in dual channel mode.
There are two DIMM sockets on the HP Compaq d228 and d230
Microtower system board, operating in
There are four DIMM sockets on the HP Compaq d248 Microtower system board, operating in either single- or
Installing Memory Modules
ÄCAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other.
ÄCAUTION: Static electricity can damage the electronic components of the computer or optional cards. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. Refer to Chapter 5 for more information.
ÄCAUTION: When handling a memory module, be careful not to touch any of the contacts. Doing so may damage the module.
1.Turn off the computer properly through the operating system and turn off any external devices.
2.Disconnect the power cord from the power outlet and the computer, and disconnect any external devices.
✎If there is a hard drive in bay 5 it will be necessary to remove the lower drive cage before removing the memory modules.
3.Remove the right access panel.
Hardware Reference Guide |