EPSON ActionPC/ActionTower 7000 series (including ActionTower 8400)
SIMM configurations (continued)
Bank 0
Bank 3
Total
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If you install SlMMs in both Sank 0 and Sank 1 or Sank 2 and Sank 3. SIMM
types must match.
Use only tin-plated, 32-bit, 72-pin, fast-page mode SIMMs
that operate at an access speed of 80ns or faster. Be sure all
the SIMMs operate at the same speed.
Video Memory
The computer comes with 1MB of video memory. You
can
increase the video memory to 2MB by installing two 512KB,
40-pin SOJ flat pack video DRAM chips. (You cannot
increase video memory by installing just one chip.)
Video resolutions and colors
I
M e m o r y
R e f r e s h
Resolution requirement Color
rates (Hz)
640x480
1MB
256
60/72/75
1MB
32K/64K
60/72/75
1MB
16.8M (True
60
Remarks
8 bits/pixel
16 bits/pixel
24 bits/pixel
Color)
8
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Non-interlaced and Interlaced
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* Interlaced
External Cache
You can install 128KB, 256KB, 512KB, or 1MB of external
cache with 32K x 8, 64K x 8, or 128K x 8 15ns or 20ns, SRAM
DIP chips and one 32K x 8 or 64K
x
8 15ns or 20ns tag chip.
The computer may already have
cache
installed.
You must install cache in one of
the
configurations in the
table below (each bank contains four cache memory sockets).
Cache memory configurations
Processor Upgrades
The computer’s processor
can
be upgraded by replacing
the
existing processor with a faster one. The following table lists
supported processors and voltages.
Hard Disk Drive Types
Your computer comes with a hard disk auto-sensing feature.
To use it, select one of the drives you have installed from the
Fixed Disk Setup screen. On the screen that appears for that
drive, press Enter to select the Autotype Fixed Disk
option. The system detects the type of hard disk drive, fills in
the drive’s parameters, and sets the remaining options on the
screen.
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