Epson EL 486UC 사용자 설명서

You can install either 32KB or 128KB of external cache on your

system. Use five DRAM, 28-pin, 8 x 8,20ns or 25ns DIP chips to

install 32KB or five 256 x 4,20ns DIP chips to install 128KB of

external cache on your system.

1. Locate the external cache sockets on the main system board,

shown on page 3-5.

2. If there is an option card in your way, remove it. See

page 3-17 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.

3. Remove the cache chips from their package and inspect

them. The pins should point inward at slightly less than a

90° angle.

If any of the pins are bent, straighten them gently with your

fingers or with small tweezers to align them with the other

pins. Be careful when you do this; the pins are fragile and

can break off easily.

Removing Options