Installing External Cache - Epson ActionPC 5000 User Manual

Installing External Cache

You can install 64KB, 128KB, or 256KB of external cache on
your system.
8x8, 20ns DIP chips, and one 8x8, 20ns tag chip
32 x 8, 20ns DIP chips, and one 8 x 8, 20ns tag chip
32 x 8, 20ns DIP chips, and one 32 x 8, 20ns tag chip
with a Pentium OverDrive processor, make sure the tag
chip is a 151ns chip.
For the cache memory to work properly, you must install chips
in the following configuration (each bank contains four cache
memory sockets):
Cache memory configurations
BANK0
U44,45,46,47
8 K x 8
I
3 2 K x 8
3 2 K x 8
Installing and Removing Options
4-22
BANK1
U 4 8 , 4 9 , 5 0 , 5 1 U 4 3
8 K x 8
I
I 8 K x 8
(empty)
3 2 K x 8
Tag SRAM
Total cache
8 K x 8 64KB
I
128KB
3 2 K x 8
I