Specifications

Memory Performa - 14
Performa 630 CD,
637 CD, 638 CD
All models have 4 MB of
soldered DRAM and are
expandable to 36 MB.
Note: The Performa 63x and
Quadra 630 cpus may have
one of two logic boards. One
logic board has one SIMM slot
(661-0518), the other
logic board (661-1114) has
two SIMM slots; a regular
SIMM slot and a “single-
sided” SIMM slot; expandable
to 52 MB.
Memory Information
DRAM Speed 80 ns
SIMM Type 72-pin
Soldered DRAM 4 MB
Number of SIMM Slots 1 or 2 (see Note
above)
Supported Sizes in MB 1, 2, 4, 8, 16,
32, 52 MB (see
Note above)
Maximum DRAM 36 MB, 52 MB
(see Note above)
Virtual Memory 1 GB
Soldered VRAM 1 MB
Number of VRAM Slots None
DRAM Configurations
4 MB The Performa 630 CD,
Performa 637 CD, and
Performa 638 CD logic boards
have 4 MB of soldered DRAM.
36 MB Use 1, 2, 4, 8, 16, or 32 MB
72-pin SIMMs.
Up to
52 MB
Note : If the customer has the
logic board with two SIMM slots
(661-1114), the maximum
RAM would be 52 MB. To
upgrade to 52 MB use a 32 MB
SIMM in the regular SIMM slot,
and a 16 MB SIMM in the
single-sided SIMM slot.