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Gently press the chip halfway into the socket (to make sure
it is correctly aligned). If the chip does not go in smoothly,
remove it and try again.
When the chip is properly positioned, push down firmly on
both ends to make sure it is well-seated.
Repeat steps 4 through 6 for each of the remaining chips.
Replace any option cards you removed. See page 3-14 for
instructions.
Installing External Cache
You can install 64KB, 128KB, or 256KB of external cache on
your system.
To install 64KB of external cache, use eight SRAM, 28-pin,
8K x 8,20ns DIP chips, and one 8K x 8,20ns tag chip
To install 128KB of external cache, use four SRAM, 28-pin,
32K x 8,20ns DIP chips, and one 8K x 8,20ns tag chip
To install 256KB of external cache, use eight SRAM, 28-pin,
32K x 8,20ns DIP chips, and one 32K x 8,20ns tag chip.
The table below lists the cache SRAM DIP chips that are
approved for use in your computer.
Cache SRAM DIP chip types
Manufacturer
3-20
Installing and Removing Options
Part number
Part number
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