Product Information Guide

EPSON PowerSpan
(This
desc~ihes
the updated
Powe~Span
with the wd logo on the
front.,
Computer Specifications
Main System Board
reset
button
\
power
button
\
power
indicator ,
IDE/SCSI hard
disk drive
activity
indicator
r
SME
RAM standard on two
4ME
SIMMs;
expandable using lMB,
2MB,
4ME,
SME,
16ME,
or 32ME single- or double-sided
SIMMs up to
128ME
(maximum); SIMMs
must be
Sons,
36-bit, 72-pin, tin-plated,
fast-page mode type; 16ME and 32ME
SIMMs may be
7Ons,
36-bit, 72-pin,
tin-plated, fast-page mode type
256KE on two
128KE
FLASH
EEPROM
devices for system and video BIOS
Automatically copies the system BIOS
from ROM into RAM; shadow RAM
addresses for video BIOS and external
BIOS are software selectable
512KE standard; expandable to
1ME
using
four 256KE x 4,60ns, fast-page mode
video DRAM chips
Real-time clock, calendar, and CMOS
RAM for BIOS use; battery backup;
contents can be cleared to default values
by jumper setting
Intel 486DX2,66 MHz microprocessor; or
Intel Pentium 60 MHz or 90 MHz
microprocessor; or Intel Dual Pentium
66 MHz microprocessor; simulated
8
MHz
processor speed selectable through
software or keyboard command
SKE internal cache in the 486DX2
/
66
microprocessor;
128KE
Intel cache module
with write-through, two-way set
associative cache memory
16KE internal cache in the Pentium
/
60
and
/
90 microprocessors; 256KE
(Pentium/60) or 512KE (Pentium/ 90)
cache module with write-back, two-way
set associative cache memory
Dual Pentium / 66 microprocessor contains
two independent 256KB, write-back cache
modules
15-pin, D-shell analog connector
Two RS-232-C, 9-pin, D-shell connectors;
asynchronous
System memory
BIOS
Shadow RAM
Video RAM
Clock / calendar
keyboard/
mouse lock
button
keyboard/mouse lock
indicator
CPU Card
CPU
Cache memory
voltage
selector switch
AC inlet
keyboard
Port
serial
port
2
mouse port
serial
port
1
parallel port
B
01
cover lock
VGA port
ttIvY
option slot 1
option slot 2
option slot 3
Interfaces
Monitor
Serial
option slot 4
option slot 5
option slot 6
option slot 7
option slot 8
10/94
EPSON PowerSpan-1

Summary of content (9 pages)