Specifications

Memory Macintosh LC - 8
LC 580
The LC 580 logic board has 4
MB of soldered DRAM. You can
expand the memory to a total
of 52 MB by installing DRAM
SIMMs.
The leftmost SIMM slot (as
pictured here) can
accommodate a single-sided
or double-sided 1, 2, 4, 8,
16, or 32 MB SIMM.
The rightmost SIMM slot (as
pictured here) can accept
only a single-sided 1, 4, or
16 MB SIMM.
Note: Supported memory configurations
include 6, 7, 9, 10, 12, 13, 21, 22, 24,
28, 36, 37, 40, 46, and 52 MB.
Memory Information
DRAM Speed 80 ns
SIMM Type 72-pin
Soldered DRAM 4 MB
Number of SIMM Slots 2
Supported Sizes in MB See Note
Maximum DRAM 52 MB
Virtual Memory 1 GB
Soldered VRAM 1 MB DRAM
Number of VRAM Slots None
Note: The SIMM slots are also marked on the
logic board as to which is the slot for the
single-sided SIMM.
DRAM Configurations
Up to
52 MB
Use various combinations of
72-pin SIMMs.