Specifications

Memory Guide Early Macintosh - 16
Macintosh IIvx,
IIvi
The Macintosh IIvx and IIvi
have 4 MB soldered to the
logic board and are
expandable to 68 MB.
Note: A total of 5 MB of
memory (soldered DRAM
plus one 1 MB SIMM) is
standard on the Performa
600.
Note: Use 80 ns or faster fast-page-mode
SIMMs.
Memory Information
DRAM Speed 80 ns
SIMM Type 30-pin
Soldered DRAM 4 MB
Number of SIMM Slots 4
Supported Sizes in MB 256K, 1, 2, 4,
16
Maximum DRAM 68 MB
Virtual Memory 1 GB
Soldered VRAM None
Number of VRAM Slots 2
Note: You must fill an entire bank of four
SIMMs when upgrading memory.
DRAM Configurations
Total
Memory
Bank A
(soldered) Bank B
4 MB 4 MB Empty
5 MB 4 MB Four 256K
8 MB 4 MB Four 1 MB
12 MB 4 MB Four 2 MB
20 MB 4 MB Four 4 MB
68 MB 4 MB Four 16 MB
VRAM Configurations
512K Install two 256K VRAM SIMMs.
1 MB Install two 512K VRAM SIMMs.