Epson Equity 286 PLUS Product Guide

Computer Specifications

CPU and Memory
16-bit CPU
System memory
ROM
Shadow RAM
Math coprocessor (optional)
Clock/calendar
Battery

Controllers

Diskette
Hard disk
80286 microprocessor, 12 MHz system clock speed, 12 MHz or 6 MHz processor speed; user selectable
0 wait state memory access speed at 12 MHz
1MB RAM standard; expandable using 256KB or 1MB SIMMs up to 5MB (maximum); SIMMs must be 100ns or faster access speed
Memory expandable to 16MB if memory option card is used
128KB (includes system BIOS and VGA BIOS)
0 wait state access speed; system ROM BIOS and video ROM can be copied into RAM through SETUP
80287 (8 or 10 MHz) support; speed
selectable by jumper
Real-time clock, calendar, and CMOS RAM
for configuration; battery backup
Replaceable, 3.6V lithium battery;
3-5 year life
supports up to two drives in any of four formats: 5
‘/tin&
5 ‘/r-inch, doubledensity, 360KB;
3
?4-inch,
high-density, double-density, 720KB; controller on main system board
Supports up to two drives; embedded controllers; interface on main system board
high-density, 1.2MB;
l&MB;
3
?4-inch,

Interfaces

Monitor
serial
Parallel
Auxiliary

Keyboard

option slots
speaker

Power Supply

Type
Input ranges
Maximum outputs

Mass Storage

Diskette drives
Hard disk drives
Keyboard
Layout
Function
EQUITY 286 PLUS
Standard VGA with 256KB of video memory; supports up to 640 x 480 pixels in 16-color or gray scale mode; 15-pin, D-shell connector
RS-232C, programmable, asynchronous;
9-pin, D-shell connector
Standard 8-bit parallel, monodirectional; 25 pin, D-shell connector
Mini DIN, 6-pin connector for PS/2 compatible mouse or other device
Mini DIN, 6-pin connector for PS/2 compatible keyboard
Four standard input/output expansion slots (three 16-bit ISA compatible and one 8-bit ISA compatible); 8 MHz bus speed
Internal
145W, fan-cooled
98 VAC to 132 VAC, 47
+5
VDC at 18 Amps,
-12 VDCat0.3
Amps,
Three half-height drives maximum (one vertical mount and two horizontal mounts) configurable using the following drive types:
5
‘/-inch
diskette drive,
(high-density) storage capacity
3
‘/l-inch
diskette drive,
(high-density) storage capacity
5 ‘/-inch diskette drive, 36OKB
(double-density) storage capacity
3 ‘h-inch diskette drive,
(double-density) storage capacity
3 ‘h-inch form factor hard disk drive(s), up to haIf height size; the first mounted vertically, second mounted
Detachable, two position; 101 sculpted keys
58key
QWERTY main keyboard; 17-key
numeric /cursor pad; 10 cursor keys;
additional
Q-key
(user-definable)
Four levels
(normaI,
alternate); user-definable
Hz
to 63
Hz
+12
WC at 4.2 Amps
-5 VDC
at 0.3 Amps
1.2MB
1.44MB
ROKB
horizontaIIy
cursor pad; 16 function keys
shift, control,
Equity Series Computers
9/17/91
286 PLUS-1
EQUITY 286 PLUS

Environmental Requirements

Condltkn
-~-
Temperature
--. Humldrty (non­condensing)
-­Attitude
Maxmum
wet bulb

Physical Characteristics

Width
Depth
Height
Weight
0P-W
wv
41 o to W F
(50
to
35O C)
20% to 60%
-33otoQQooR (-lOOto3COOm)
66” F
(200
C)
14.75 inches (375 mm)
17.5 inches (444 mm)
6.0 inches (152 mm)
Single diskette drive model without keyboard: 20.6 lb (9.4 kg)
NonoperatIng mng.
4”
to 140“
(-20” to
10% to 90%
-33oto 1166oR
(-100to36COm) (-l00to12OCOm)
1OP
(400 Cl
F--
600 C)
F

Connector Pin Assignments

Parallel Port Connector

Pin 13
storage
mw
4O=‘to14O’F (400 to
600 C)
5% to 95%
-330t032600R 134OF
(570 Cl
Pin 1

Serial Port Connector

Serial Port Connector Pin Assignments
Pin Slgnal
DCD
1 2
RXDT

Keyboard Connector

Dlructkm
I
I
Pin
6wpin
Pin
4+
Deacrlptlon
Data Carrier Detect
Raoewe
Data
s
+
Pin 3
Pin 25
Parallel Port Connector Pin
I Pin I SlamI
1
-STROBE
2
DATA0
3 DATA1
17 1
-SLCTlN
1 Dlrectlon 1 Desc~Idlon
0 0 0
I
Assignments
Strobe Prmter Data Prmter Data
Printer Select In
Bfl
Bit
0 1
Pin 14
PinZfiPinl
Keyboard Connector Pin Assignments
1
Signal
Pin
1
1
Keyboard Data
I3
I

VGA Connector

VGA Connector Pin Assignments
1
1
Ground 4 5 6 Reserved
+5
VDC
Keyboard Clock
1
!
25 1 GND
286 PLUS-2
I
1
Ground
9/17/91
Equity Series Computers
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