Dell OptiPlex G1 - Manual (Page 22)

Memory: Dell ™ OptiPlex ™ G1 Systems
Installation Guidelines | Memory Configuration Options | Memory Map
Installation Guidelines
For information on installing DIMMs, refer to the DIMM installation instructions for the OptiPlex low-profile chassis , midsize chassis , or mini tower chassis .
Memory Configuration Options
Memory Map
Total DIMM_A DIMM_B
32 MB 32 MB
64 MB 32 MB 32 MB
64 MB 64 MB
96 MB 64 MB 32 MB
128 MB 64 MB 64 MB
128 MB 128 MB
160 MB 128 MB 32 MB
192 MB 128 MB 64 MB
256 MB 128 MB 128 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