Specifications

Memory Power Macintosh - 1 0
Power Macintosh
6400/180 and
6400/200
The Power Macintosh 6400
ships with a minimum of 16
MB of DRAM. You can expand
the total memory up to a
maximum of 136 MB by
installing DRAM DIMMs.
DRAM DIMM Slots
Memory Information
DRAM Speed 60 ns
DIMM Type 168-pin, 1K or
2K refresh
Soldered DRAM 8 MB
Number of DIMM Slots 2
Supported Sizes in MB 4, 8, 16, 32, 64
Maximum DRAM 136 MB
Virtual Memory 1 GB
Soldered VRAM 1 MB
Number of VRAM Slots None
Note: The Power Macintosh 6400 has two
DIMM slots. You do not have to fill both slots
when upgrading memory, nor do you have to
use DIMMs of the same size. However, if you
wish to take advantage of the computer’s
interleaving capability, which provides
maximum performance, you must install the
DIMMs in matching pairs. DIMMs purchased
from different manufacturers can be paired
as long as they are the same size and speed.
Note: Supported memory configurations
include 16, 20, 24, 32, 36, 40, 48, 64, and
136 MB.
Note: This computer requires 1K or 2K
refresh rate EDO DIMMs.
DRAM Configurations
16 MB The Power Macintosh 6400
comes standard with a minimum
of 16 MB of DRAM.
Up to
136 MB
Use various combinations up to
136 MB of 168-pin DIMMs.