Dell OptiPlex GX1p - Manual (Page 22)

Memory: Dell™ OptiPlex™ GX1p
Installation Guidelines | Configuration Options | Memory Map
Installation Guidelines
For information on installing DIMMs, refer to DIMM installation instructions for the OptiPlex midsize chassis or mini tower chassis .
Configuration Options
Memory Map
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.
Total DIMM_A DIMM_B DIMM_C
128 MB 64 MB 64 MB
128 MB 128 MB
192 MB 128 MB 64 MB
256 MB 128 MB 128 MB
256 MB 256 MB
320 MB 128 MB 128 MB 64 MB
384 MB 128 MB 128 MB 128 MB
512 MB 256 MB 256 MB
768 MB 256 MB 256 MB 256 MB
Memory Range Address Range Size Description
1024–131,072 KB 100000–8000000h 127 MB Extended memory
960–1023 KB F0000–FFFFFh 64 KB System BIOS
800–959 KB C8000–EFFFFh 160 KB Available high memory
640–799 KB A0000–C7FFFh 160 KB Video memory and BIOS
639 KB 9FC00–9FFFFh 1 KB Extended-BIOS data
0–638 KB 00000–9FBFFh 639 KB Conventional memory