Dell OptiPlex GX1p - Manual (Page 58)

DIMM Removal and Installation (Midsize Chassis): OptiPlex GX1p
DIMM Removal | DIMM Installation
DIMM Removal
To remove a DIMM from one of the 3 DIMM sockets, follow these steps:
1. Remove the system power supply .
2. Locate the DIMM you wish to remove.
3. Push outward on the DIMM socket's securing clips until the DIMM is released from its socket.
4. Lift the DIMM away from the socket.
DIMM Installation
1. Reinstall the replacement DIMM by pressing the DIMM fully into the socket while closing the securing clips to lock the DIMM into the socket.
2. Replace all assemblies and cables previously removed.
CAUTION: Do not use EDO DIMMs in this computer. This computer uses SDRAM DIMMs. EDO and SDRAM DIMMs have slightly
different gap spacings and you may damage the DIMMs or sockets if you attempt to insert the wrong DIMM type in the computer.