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EPSON Progression 4
Serial
Keyboard
Mouse
Option slots
Speaker
Alternate VGA
Mass Storage
Horizontal
mounts
Vertical
mount
Diskette drives
Hard disk
drives
Other devices
Two RS-232C, programmable,
asynchronous interfaces built into main
system board; port assignment and I/O
addresses selectable through SETUP;
9-pin, D-shell connectors
PS/2 compatible keyboard interface built
into main system board; keyboard speed,
delay, and num lock settings selectable
through SETUP; 6-pin, mini DIN connector
PS/2 compatible mouse interface built into
main system board; 6-pin, mini DIN
connector
Four standard 16-bit (or 8-bit) I/O
expansion slots; ISA compatible; 8 MHz
bus speed
Internal; operation controllable through
SETUP and volume selectable by software
IBM compatible VGA pass-through
interface built into main system board;
26-pin connector
Three drives maximum (two horizontal
mounts and one vertical mount),
configurable using the following:
Up to two externally-accessible,
half-height horizontal mounts; each
horizontal bay can accommodate one
s&inch
form factor diskette, tape,
CD-ROM, or other drive, or one 3M-inch
form factor hard disk, diskette, tape,
CD-ROM, or other drive with
5X-&h
mounting frames attached
One internal third- or half-height vertical
mount; vertical bay can accommodate one
3%inch
form factor hard disk or other
drive
5.25-inch, 1.2MB (high-density)
3.5 inch, 1.44MB (high-density)
3!4-inch
form factor hard disk drive(s), up
to half-height size; the first mounted
vertically, second mounted horizontally
Half-height tape drive, CD-ROM drive, or
other storage device;
51/4-&h
form factor
or
3%inch
form factor with
5%inch
mounting frames attached
Keyboard
Detachable; two-position height;
101 sculpted keys; numeric/cursor control
keypad; four-key cursor control keypad;
12 function keys
Power Supply
Type
145 Watt, fan-cooled
Input ranges
90 to 132 VAC and 180 to 264 VAC, switch
selectable voltage
Maximum
+5 VDC at 18 Amps, +12 VDC at 4.0
outputs Amps, -5 VDC at 0.3 Amps, -12 VDC at
0.3 Amps
Frequency 47 to 63Hz
Cables Two to main system board; four to mass
storage devices
Option Slot Power Limits
Maximum current
+5 volts
+12 volts -5 Volts and -12 Volts
For each slot
7 Amps 1.5 Amps 0.3 Amps
For all four
slots
16 Amps
3 Amps 0.3 Amps
Environmental Requirements
Condition Operatlng range
Temperature
41’
to
95’
F
(5O
to
35OC)
Humidity 20% to 60%
(non-
condensing)
At&l&
-3OOto9,QOOR
(-100 to 3,000 m)
Maximum
66’F
wet bulb
&O°Cl
Acoustical
noise
37.4 dB(A)
Physical Characteristics
Width 14.8 inches (370 mm)
Depth
16.5 inches (412 mm)
Height 4.8 inches (120 mm)
weight
16.7 lb (7.6 kg),
without keyboard
EPSON Progression 4-2
7/27/93