Apple Power Macintosh 7200/75 Specifications download pdf (Page 10)

Basics Dual In-Line Memory Modules (DIMMs) - 8

Dual In-Line Memory Modules

(DIMMs)

The Power Macintosh 7200 Series and WS 7250 computers

use DRAM Dual In-Line Memory Modules (DIMMs) instead

of DRAM SIMMs. Whereas SIMMs have 72 pins, DIMMs have

168 pins. The extra pins provide a 64-bit data path,

compared to a 32-bit data path for SIMMs. In addition,

DIMMs do not have to be installed in pairs like the SIMMs on

earlier Macintosh models.

Important:

The VRAM and DRAM Single In-Line Memory

Modules (SIMMs) used in previous Macintosh models are

not

compatible with the Power Macintosh 7200 Series and

WS 7250 computers.

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Apple Power Macintosh 7200/75 Specifications Page 10