TITLE
    Twentieth Anniversary Macintosh: Memory Expansion
Article ID:
Created:
Modified: 		20888
1/27/97
1/30/01
TOPIC

    This article details the type of memory used in the Twentieth Anniversary Macintosh.

DISCUSSION

    The Twentieth Anniversary Macintosh uses the same logic board and memory as the Power Macintosh 5500 and 6500 series computers. Like those computers, the Twentieth Anniversary Macintosh does not have any DRAM memory soldered on the logic boards. All RAM expansion is provided by DIMMs installed in one of the two 168-pin sockets. It includes 32 MB installed in one of the two DIMM slots.

    The RAM expansion slots accept DIMMs with the following characteristics:
    • 168-pin 5-volt EDO (Extended Data Out) or fast-paged DIMMs
    • 64-bit wide
    • 70 ns access time or faster.
    • 2K or faster refresh rate
    • Acceptable DIMM sizes include 8, 16, 32, and 64 MB.

    Using EDO memory in your computer may provide you with increased performance. However, although you can use either EDO or fast-paged mode devices in the DIMM slots, all memory installed must be EDO to take advantage of these performance benefits. If you mix fast-paged and EDO RAM, the EDO modules perform as if they were fast-paged memory.

    3.3-volt EDO DIMM cards are not supported and will not mechancially fit into the DIMM connectors on the logic board.

    For additional information about EDO memory and its benefits, read Tech Info Library article:

Document Information
Product Area: Computers
Category: Power Macintosh
Sub Category: Twentieth Anniversary Macintosh
Keywords:

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