Epson EISA Tower Product Information Manual
Browse online or download pdf Product Information Manual for Desktop Epson EISA Tower. Epson EISA Tower 9 pages. Tower
Print PageComputer Specifications
Main System Board
4MB RAM standard on SIMMs; expandable
System memory
using 1MB, 2MB, 4MB, or 8MB SIMMs up to
64MB (maximum); SIMMs must be 70ns, 36-
bit, R-pin, gold-leaded, fast-page mode type
Two-part system BIOS; one 64KB permanent
BIOS
BIOS on an EPROM; one 64KB CPU-
dependent BIOS in a ROM device
Automatically copies the system BIOS from
Shadow RAM
ROM into RAM; shadow RAM for video
BIOS and external BIOS is software selectable
8KB SRAM; battery-backup
EISA configuration
Real-time clock, calendar, and CMOS RAM
Clock/calendar
for
configuration;
Interfaces
Two RS-232-C ISA compatible,
Serial
asynchronous; 9-pin D-shell connectors
ISA compatible, 25-pin, D-shell connector
Parallel
Mini DIN, 6-pin connector for PS/2
Mouse
compatible mouse or other device
Mini DIN, 6-pin connector for PS/2
Keyboard
compatible keyboard
EISA Series Computers
battery backup
Eight 32-bit EISA expansion slots (16-bit and
Option slots
8-bit ISA compatible); bus-mastering option
cards allowable in slots 1 through 5 and slot 8
Internal; operation and
by software
Controllers
and
Controller on the main
Diskette
supprts up to two diskette drives in any of
tape drive
these formats:
5
5
3
3
Also supports one optional tape drive
Interface on the main system board supports
Hard disk
Processor Board
CPU
486SX/25
microprocessor
486DX/33 board: Intel 80486DX, 33 MHz
microprocessor
Both boards:
processor simulation speeds selectable
through software or keyboard command
Cache memory
486SX/25 board: 8KB internal cache in the
80486SX microprocessor
486DX/33 board: 8KB internal cache in the
80486DX microprocessor; 64KB Intel
82485MA-33 Turbocache module with write
through, two-way set associative cache
memory and controller
486SX/25 board two sockets available for
Math coprocessor
optional Weitek WTL4167 and Intel 80487SX
math coprocessors
486DX/33 board: internal coprocessor in the
80486DX and one socket for an optional
Weitek WTL4167 coprocessor
Mass Storage Bays
Up to six half-height devices; two half-height
or one full-height internal bays; four half-
height or one full-height and two half-height
externally-accessible bays
Power Supply
300W, fan-cooled, automatic input voltage
Type
sensing, thermally protected
Input ranges
98
47 to 63Hz
Maximum current
At 110 Volts, 6 Amps; at 240 Volts, 3.3 Amps
1/92
EISA Series Tower
volume
system board
360KB
high-density, 1.44MB
double-density, 720KB
board: Intel 80486SX, 25 MHz
simulated 8 MHz and other
to 132 VAC and 196 to 264 VAC,
controllable
Tower-l