System Specs for Silicon Graphics (SGI) IRIS Power Series 4D/420 |
| Type of System: | Desktops/Servers |
| Bus Architecture: | Proprietary |
| Native OS: | UNIX/X |
| CPU Type: | 40MHz MIPS R3000 RISC |
System Memory |
| Standard Memory: |
8 MB (removable)
|
| Maximum Memory: | 64 MB with a 8MB kit on SD board / 256 MB with HD board |
| Memory Expansion: | 32 sockets (8 banks of 4) on standard SD memory board |
Comments |
| These systems come with a standard density (SD) memory board, the "MC-2" which accepts only the 8MB kits. This board can be expanded to 64MB.
To expand beyond 64MB, install SGI's 32MB high density |