5. Repeat steps 3 and 4 to install the other chip.
6. Replace any option cards you removed; see “Installing an
Option Card” for instructions.
7. Replace the computer’s cover; see “Replacing the Cover.”
Then see “Post-installation Procedures” for instructions on
configuring your new video memory.
Installing External Cache
Your computer has 256KB of external cache installed. You can
expand your external cache to 512KB or 1MB with 64K x 8 or
128K x 8, 3.3 volt, 15ns SRAM DIP chips.
Caution
The only cache memory chips approved for use in your
computer are 3.3 volt cache SRAM chips made by Alliance
Semiconductor,
®
do not install any other type of cache chip.
Your cache sockets may not look exactly like the ones in the
illustrations. If you’re not sure how to install cache memory:
contact your Authorized EPSON Servicer or the EPSON
Connection and ask for assistance.
Note
If you have a tower computer, contact your Authorized
EPSON Servicer to have them install external cache for you;
do not install it yourself.
4-24 Installing and Removing Options
Summary of Contents for ActionTower 8000
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Page 28: ...1 10 Setting Up Your System ...
Page 71: ...Installing and Removing Options 4 7 ...
Page 167: ...Hardware Interrupts System l O Address Map A 12 Specifications ...