Epson EQUITY 386SX/20 PLUS - Manual

EQUITY 386SX/20 PLUS
Computer Specifications
CPU and Memory
CPU
System memory
ROM
Shadow RAM
Cache controller
Math coprocessor
Controllers
Diskette
20 system
20 MHz or simulated 8 MHz
sped, selectable through software
or keyboard command
0 wait state memory access speed at
Memory expandable using
or up to
(maximum); must be fast-page mode,
8ons access (or faster)
(includes system BIOS and VGA
0 wait state access speed;
copies both ROM BIOS video ROM into
standard
32KB static
(20 MHz) support
Real-time clock, calendar,
CMOS RAM for
supports up to two drive in any of four
formats: 5 highdensity,
5 double-density,
3 or
3 double-density, controller
on main system board
Hard disk
Interfaces
Monitor
serial
Parallel
Keyboard
option slots
Speaker-
Power Supply
Input ranges
Maximum outputs
Mass Storage
Diskette drives
Hard disk drives
supports up to two half-height drives;
embedded controller; interface on main
system board
VGA adapter with (video
memory) built into main system board;
up to 640 x pixels in
frequency monitor required for
programmable, asynchronous;
D-shell
Standard parallel,
Mini DIN, for
compatible mouse or other device
Mini DIN, connector for
keyboard
Four standard input/output expansion slots
(three ISA compatible and &bit
ISA 8 MHz bus speed
operation controllable by software
fan-cooled, automatic (worldwide)
input voltage sensing
98 to 132 VAC and 195 to 264 VAC
VDC at 18 Amps, VDC at
4.2 Amps
03 Amps
VDC at 6 Amps, peak (10 seconds)
Up to three half-height drives maximum (one
vertical mount and two horizontal mounts)
configurable any of the drive
types (only horizontal mounts
accessed externally):
5
diskette drive,
3 diskette drive,
5 diskette drive,
(double-density) storage capadty
3 l/2-inch drive,
storage capacity
3 form factor hard disk drive(s);
up to half-height size; drive mounted
vertically, second mounted
Equity Series Computers 3/6/91 386SX/20 PLUS-1