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Epson EQUITY 386SX/20 PLUS Specification Sheet
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Epson EQUITY 386SX/20 PLUS Specification Sheet

Epson EQUITY 386SX/20 PLUS Specification Sheet

Epson computer specification sheet
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See also: User Manual

Computer Specifications

CPU and Memory
CPU
or keyboard command
0 wait state memory access speed at
System memory
Memory expandable using 256KB,
(maximum); SIMMs must be fast-page mode,
8ons access sped (or faster)
ROM
0 wait state access speed; automaticatly
Shadow RAM
copies both ROM BIOS and video ROM into
Cache controller
32KB hi&qeed (25x1s) static RAM
Math coprocessor
Real-time clock, calendar, and
Controllers
supports up to two drive in any of four
Diskette
formats: 5 1 /knch, highdensity, 1.2MB;
5 l/4-inch. double-density, 36oKB;
3 1/2-m& highdtity, 1.44MB; or
3 1/2-m& double-density, ROKB; controller
on main system board
Series Computers
Equity
Hard disk
Interfaces
Monitor
serial
Parallel
Keyboard
option slots
Speaker-
Power Supply
Input ranges
Maximum outputs
Mass Storage
Diskette drives
Hard disk drives
3/6/91
EQUITY 386SX/20 PLUS
supports up to two half-height drives;
embedded controller; interface on main
system board
VGA adapter with 512KB DRAh4 (video
memory) built
system board;
into main
up to 640 x 480 pixels in 256-colors; multi-
frequency monitor required for resolutiow
Standard &bit parallel, mon~o&;
Mini DIN, 6-pin connector for PS/2
compatible mouse or other device
Mini DIN, apin connector for PS/2
Four standard input/output expansion slots
(three l&bit ISA compatible and ogle &bit
ISA compatiile); 8 MHz bus speed
input voltage sensing
98 to 132 VAC and 195 to 264 VAC
4.2 Amps
03 Amps
Up to three half-height drives maximum (one
vertical mount and two horizontal mounts)
configurable using any of the foIlowing drive
types (only horizontal mounts canbe
accessed externally):
5 l/4-inch diskette drive, 1.2MB
3 l/2-inch diskette drive, 1.44MB
5 1/44nch diskette drive, 36OKB
(double-density) storage capadty
3 l/2-inch &kette drive, ROKB
3 l/2-inch form factor hard disk drive(s);
up to half-height size; first drive mounted
vertically, second mounted hohm&lly
386SX/20 PLUS-1

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Summary of Contents for Epson EQUITY 386SX/20 PLUS

  • Page 1: Computer Specifications

    5 l/4-inch. double-density, 36oKB; 3 1/2-m& highdtity, 1.44MB; or 3 1/2-m& double-density, ROKB; controller on main system board Series Computers Equity EQUITY 386SX/20 PLUS Hard disk supports up to two half-height drives; embedded controller; interface on main system board Interfaces...

  • Page 2: Connector Pin Assignments

    EQUITY 386SX/20 PLUS Keyboard Detachable, two p&tioQ 101 Sculpted keys S&key QWERTY main keyboard; Layout 17-key numeric/cursor pad; 10 cursor keys; additional Ckey cursor pad; 16 function kep (user-definable) Four levels (normal, shift, Fwtion userdetinable Environmenti Requirements fnofb Physical Characteristics...

  • Page 3: Jumper Settings

    VGA Connector (CN-3) VGA Connector Pin Assignments P i n SW slorul Red V&o Svrc Return Green VI&O Blue vld00 Reserved Unused Resarvd GfOWld Honzoflt0l sync Red R6turn vertid s)nc 1 Unused ~GreanFWum IBluaRdum Hardware Interrupts I CTRLl I clRt2 I FLlNcrloN Tif?U3fOUlplO IRQO...

  • Page 4: Simm Lnstallation

    EQUITY 386SX/20 PLUS SIMM lnstallation The sockets are labelled as shown below. If an option card is blocking access to the SIMM sockets, remove the option card(s). Hold the SIMM so the component side is facing the computer’s back parAandthemetalconnec torpinsarefaciqdown...
  • Page 5 PLUS is 60 (100MB). number Equity Series Computers EQUITY 386SX/20 PLUS Installation / Support Tips Power The Equity 386X/20 PLUS hks a power supply that is switchable between IlSV, for USA and hdian use, and 23OV, for use in other countries.

  • Page 6: Information Reference List

    EQUITY 386SX/20 PLUS Mouse and Keyboard When attaching the mouse and keyboard connectors, be careful to attach them to the proper connectors. Although they are physically identical, they are not interchangeable. Installing Floppy Disk Drives When installing a floppy disk drive as drive B, remember to...

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