Epson Equity 4DX/33 Produktinformation Handbuch
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Auch für Epson Equity 4DX/33: Produkt-Support-Bulletin (9 seiten)
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hard disk
power
access light
(SPEED) light
bay for hard disk, diskette,
tape, CD-ROM, or other drive
11 O/220 VAC switch
.
power keyboard
inlet
mouse
Computer Specifications
CPU and Memory
32-bit CPU
microprocessor; can be replaced with
optional 487SX/25 or ODP486-25
microprocessor; can be replaced with
optional ODP486-33 OverDrive processor
microprocessor
System speed
High and low speeds available; high speed
depends on CPU (25 MHZ, 33 MHz, or
50 MHz), low speed is simulated 8 MHz
speed; speed selection through keyboard
command; 0 wait state memory access at
highspeed
diskette
power
drive
button
option card slots
VGA
\
monitor
parallel
®
EPSON Equity 4SX/25,4DX/33, and 4DX2/50
To select low speed, press the Ctrl, Alt,
and - keys simultaneously. To select
high speed, press the Ctrl, Alt, and + keys
simultaneously. (Use the - or + key on the
numeric keypad.)
Memory
4MB RAM standard on a SIMM;
expandable using lMB, 4MB, or 16MB
be 36-bit, fast-page mode type with 70ns
(or faster) access speed
ROM
128KB system BIOS, video BIOS, and
SETUP code located in EPROM on main
system board
Video RAM
512KB DRAM on main system board,
expandable to 1MB
Shadow RAM
Supports shadowing of system and video
BIOS ROM into RAM
Cache
microprocessor)
Math
On 4DX/33 and 4DX2/50 systems, math
coprocessor
coprocessor built into the microprocessor;
optional 487 upgrade available for 4SX/25
system
Clock/calendar
Real-time clock, calendar, and CMOS
RAM socketed on main system board with
built-in battery backup
Controllers
Video
Cirrus
board; provides resolutions up to
1024 x 768
Controller on main system board supports
Diskette
up to two diskette drives or one diskette
drive and one tape drive
Hard disk
Interface on main system board supports
up to two IDE hard disk drives with
built-in controllers
Interfaces
Monitor
VGA interface built into main system
board for analog or multifrequency VGA
monitor; 15-pin, D-shell connector
Parallel
One standard 8-bit parallel, uni- or bi-
directional interface built into main system
board; I/O address selectable through
SETUP; 25-pin, D-shell connector
Serial
Two RS-232C, programmable,
asynchronous interfaces built into main
system board; 9-pin, D-shell connectors
4/1/93
®
VGA controller on main system
EPSON Equity-l