Internal Storage Devices
Standard configurations of the Power Mac G4 computer include two unused expansion bays in the bottom of the enclosure. The expansion bays accommodate 1.6-inch-high 3.5-inch devices. Power connectors are provided for both expansion bays. For more information, see
Disk Drives.
RAM Expansion
The main logic board uses JEDEC-standard SDRAM DIMM cards that are 64-bit bus, nonparity, 168-pin, 3.3-volt, unbuffered, and PC100 compliant. The speed of the devices must be 125 MHz (8 ns) or faster.
Important:
DIMMs with registers or buffers, DIMMs with PLLs, and DIMMs with EDO RAM are not supported in the Power Mac G4 computer.
The maximum supported height of SDRAM DIMM cards is 2 inches. The maximum number of devices supported on a DIMM is 16 SDRAM devices. For more information, see
RAM Expansion.