Epson ActionDesk 4000 User Manual page 13

Support for up to four mass storage devices (two externally
accessible and two internal)
Password security.
Using the built-in interfaces, you can connect most of your
peripheral devices directly to the computer so you do not have
to install option cards. You can use the option slots to enhance
your system with extra functions such as a modem card, a
network controller card, or additional interface ports.
The shadow RAM feature speeds up processing by moving the
system and video BIOS into the RAM area of memory.
With the standard 1MB of video RAM, the VGA controller
supports the following resolutions:
1280 x 1024 x 16 colors (interlaced)
1024 x 768 x 32K colors (interlaced)
1024 x 768 x 256 colors (interlaced and non-interlaced)
800 x 600 x 64K colors
640 x 480 x 16.8 million colors.
When upgraded to 2MB of video RAM, the system can support
1280 1024 in 256 colors and 1024 x 768 in 64K colors.
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2 Introduction