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Adding Video Memory
Your computer comes with 512KB or 1MB of video memory. If
you have 512KB, you can increase your video memory to 1MB
by installing four video DRAM DIP (Dual Inline Package)
chips. The chips must be 20-pin, 256KB chips that operate at a
70ns access speed. For the memory to work properly, you must
install one chip in each empty video RAM socket on the system
board.
Additional video memory is useful for running graphics-
intensive applications or for supporting video resolutions up to
1280 x 1024 in 16 colors. See Appendix A for information on
supported colors and resolutions for each amount of video
memory.
The table below lists the video DRAM DIP chips that are
approved for use in your computer.
Video DRAM DIP chip types
Manufacturer Part number
Goldstar GM71C256A-70/80
I
1 Fiji MB81C256A-70/80
I
NMBS
AAA1M204P-70/50
Toshiba
TC514256AP-7/8
I
Samsung KM44C256BP-7/8
I
Note that your video memory sockets may not look exactly like
the ones shown here. If you’re not sure how to install video
memory chips, contact the EPSON Connection and ask for
assistance.
3-18 Installing and Removing Options