Epson ActionTower 8100 User Manual - Page 89

Remove any option cards that are blocking access to

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You must install chips in one of the configurations in the table below (each bank contains four cache memory sockets). Cache memory configurations BANK 0 BANK 1 Tag SRAM U33, 34, 35, 36 U40,41,42,43 U20 32K x 8, 28-pin (3.3 V) 32K x 8, 28-pin (3.3 V) 32K x 8, 28-pin (5 V) 64K x 8, 28-pin (3.3 V) 64K x 8, 28-pin (3.3 V) 32K x 8, 28-pin (5 V) 128K x 8, 32-pin (3.3 V) 128K x 8, 32-pin (3.3 V) 32K x 8, 28-pin (5 V) ALT bit U44 32K x 8, 28-pin (5 V) 32K x 8, 28-pin (5 V) 32K x 8, 28-pin (5 V) Total external cache 256KB 512KB 1MB Follow these steps to install external cache on the slim line computer: First remove the internal drive mounting bracket in your computer; see "Removing the Drive Mounting Bracket" in Chapter 5 for instructions. Locate the external cache memory sockets as shown in the illustration under "Locating the System Board Components." Remove any option cards that are blocking access to the sockets; see "Removing an Option Card" for instructions. Caution To avoid generating static electricity and damaging the cache chips, ground yourself by touching the metal surface on the inside of the computer's back panel. Then remain as stationary as possible while you install them. Installing and Removing Options 4-25

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You must install chips in one of the configurations in the table
below (each bank contains four cache memory sockets).
Cache memory configurations
BANK 0
U33, 34, 35, 36
32K x 8,
28-pin (3.3 V)
64K x 8,
28-pin (3.3 V)
128K x 8,
32-pin (3.3 V)
BANK 1
U40,41,42,43
32K x 8,
28-pin (3.3 V)
64K x 8,
28-pin (3.3 V)
128K x 8,
32-pin (3.3 V)
Tag
SRAM
U20
32K x 8,
28-pin (5 V)
32K x 8,
28-pin (5 V)
32K x 8,
28-pin (5 V)
ALT bit
U44
32K x 8,
28-pin (5 V)
32K x 8,
28-pin (5 V)
32K x 8,
28-pin (5 V)
Total
external
cache
256KB
512KB
1MB
Follow these steps to install external cache on the slim line
computer:
First remove the internal drive mounting bracket in your
computer; see “Removing the Drive Mounting Bracket” in
Chapter 5 for instructions.
Locate the external cache memory sockets as shown in the
illustration under “Locating the System Board
Components.”
Remove any option cards that are blocking access to the
sockets; see “Removing an Option Card” for instructions.
Caution
To avoid generating static electricity and damaging the
cache chips, ground yourself by touching the metal
surface on the inside of the computer’s back panel. Then
remain as stationary as possible while you install them.
Installing and Removing Options
4-25