Quadra 630, LC 630,
Performa 630-640
Low End Mac Reader Specials
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The 630, whether marked Quadra, LC, or Performa, has 4 MB of RAM soldered to the motherboard and a single 72-pin SIMM socket for memory expansion.
With the edge connector facing away from you, you will see a SIMM socket near the left edge of the motherboard, running from the front of the computer to the rear. It is typically filled with a 4 MB SIMM from the factory. This can be filled with a 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, or 32 MB SIMM. The SIMM must be 80ns or faster.
To add memory, simply put the new SIMM in the SIMM socket.
The 631 has 4 MB of RAM soldered to the motherboard and two 72-pin SIMM sockets for memory expansion.
<go to memory upgrade index or 630 page>
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