Specifications

CHAPTER 1
Introduction
8 RAM Expansion
RAM Expansion 1
The Macintosh LC 520 computer comes with 4 MB of RAM built in. By installing a SIMM,
the user can expand the RAM up to a maximum of 36 MB.
RAM Configurations 1
Figure 1-4 shows the RAM configurations for different amounts of RAM. For more
information, see the section “RAM Addresses” on page 23.
Figure 1-4 RAM configurations
RAM SIMM 1
The Macintosh LC 520 computer accepts one 72-pin RAM SIMM, illustrated in
Figure 1-5. The access time of the RAM must be 80 ns or less. The RAM SIMM can
contain 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, or 32 MB of additional RAM.
Note
The SIMM used in the Macintosh LC 520 computer is not the same as the
30-pin SIMMs used on some other Macintosh computers. ◆
4 MB 5 MB 6 MB 8 MB 12 MB 20 MB 36 MB