Specifications

Memory Laser Printers - 8
LaserWriter Pro
600/630
The LaserWriter 600/630
has no soldered memory. You
can expand the memory to a
total of 32 MB.
Some versions of the printer
shipped with 4 MB of DRAM
and a 4 MB upgrade kit,
providing a total of 8 MB of
DRAM.
Note: The LaserWriter Pro 600 and 630
printers use industry standard 72-pin fast
mode 80 ns SIMMs. Each printer has two
banks.
Memory Information
DRAM Speed 80 ns
SIMM Type 72-pin
Soldered RAM none
Expansion Sockets 2
Supported Sizes in MB 4, 8, 16
Maximum DRAM 32 MB
Note: Apple manufactures many
LaserWriter Pro printers with one double-
sided 8 MB memory SIMM. To increase
memory, you must first remove the 8 MB
SIMM and then insert the desired memory
SIMMs into the printer.
Note: When you add memory to a
LaserWriter Pro, you must fill Bank 1
before Bank 2. If you have SIMMs of two
different sizes, you must put the SIMM with
the greater amount of memory in Bank 1.
(See additional Notes on following page.)
DRAM Configurations
Total
Memory
Install in
Socket 1
Install in
Socket 2
4 MB 4 MB Empty
8 MB 4 MB 4 MB
8 MB 8 MB Empty
16 MB 16 MB Empty
20 MB 16 MB 4 MB
32 MB 16 MB 16 MB