Epson 486SX Personal Computer User Manual


 
Cache RAM
Speaker
Controllers
Diskette
Hard disk
Interfaces
Monitor
32KB high-speed static RAM, two-way set
associative on main system board;
8KB integrated into microprocessor
Internal, programmable; volume selectable
by software
Supports up to two diskette drives in any
of four formats: 5?&inch, high-density,
1.2MB; 5?&inch, double-density, 360KB;
3Winch,
high-density, 1.44MB; or
3M-inch, double-density, 720KB; also
supports optional Epson tape drive;
controller on main system board
Supports up to two drives; embedded
controller; interface on main system board
VGA adapter with 1MB of video memory
built into main system board;
non-interlaced mode only; supports up to
800 x 600 or 1024 x 768 (non-interlaced)
pixels in 16 colors or up to 640 x 480 pixels
in 256 colors; multi-frequency monitor
required for resolutions over 640 x 480
15-pin D-shell connector
Serial
RS-232C, programmable, asynchronous;
9-pin, D-shell connector
Parallel
Standard 8-bit parallel, monodirectional;
25-pin, D-shell connector
D-2 Specifications