Apple powermac g3 blue.white Service Manual

 

 Upgrades

DRAM Upgrade - 2

 

not need to be installed in pairs. It is recommended that 

DIMMs be installed in the first slot available closest to the 

center of the board (J-19), then adjacent slots J-20, J-

21, and J-22.

Compatible DRAM DIMMs must meet all the following 

specifications:

• PC-100 Synchronous DRAM (SDRAM)

• 3.3 volt

• 64-bit wide, 168-pin module

• maximum of 16 memory devices on the DIMM

• unbuffered; do not use registered or buffered 

Synchronous DRAM (SDRAM)

• maximum height of 2.0 inches.

To increase DRAM to the maximum of 1024 MB, fill all four 

slots with 256 MB DIMMs. Any 256 MB DIMMs installed 

must use 128 megabit (Mbit) device technology.