Video Ram; Installing Video Ram Chips - Epson ExpressStation User Manual

Video RAM

Your computer comes with 512KB of video RAM. You can
install video RAM chips on your main system board to increase
your video memory to 1MB. This enables you to use resolutions
up to 1024 x 768 in 256 colors when you connect a monitor
capable of displaying that resolution.
There are four video RAM chip sockets on the main system
board labelled U89 through U92; see page 3-2 to locate the
sockets. You must fill all of the sockets with four 256K x 4, 60ns,
fast-page video RAM chips.

Installing Video RAM Chips

Follow these steps to install video RAM chips:
1. Remove the computer's cover as described in Chapter 2.
2. Remove any option cards you have installed in the system so
you can access the video RAM chip sockets. See page 3-7.
3. Remove the video RAM chip from its package and save the
packaging in case you remove the chip later. Do not touch
the connector pins on the base of the chip.
4. Position the chip so the notch or small dot on its top is
pointing toward the middle of the main system board.
5. Align the pins on the chip with the holes in the socket.
Be sure all of the pins are aligned with the holes in the
Installing and Removing Options
3-15