Epson PowerSpan Specifications

front.,
reset
button
power
button \
power
indicator ,
IDE/SCSI hard
disk drive
activity
indicator
keyboard
serial port 2
VGA port
option slot 1
option slot 2
option slot 3
option slot 4
option slot 5
option slot 6
option slot 7
option slot 8

Computer Specifications

Main System Board
System memory
BIOS
Shadow RAM
keyboard/
mouse lock
button
Video RAM
keyboard/mouse lock
indicator
Clock / calendar
CPU Card
CPU
Cache memory
voltage
selector switch
AC inlet
mouse port
serial port 1
parallel port
cover lock
Interfaces
Monitor
Serial
10/94
EPSON PowerSpan
expandable using lMB, 2MB, 4ME, SME,
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
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
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
EPSON PowerSpan-1