Epson Endeavor 4DX2/50 Manuel d'information sur les produits
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hard disk
access light
(SPEED) light
hay for hard disk. diskette,
tape, CD-ROM, or other drive
110/220 VAC switch
power keyboard
inlet
port
mouse
port
Computer Specifications
CPU and Memory
32-bit CPU
Intel® i486SX, 25 MHz
4SX/25:
microprocessor; can be replaced with
optional 487SX/25 or ODP486-25
4DX/33: Intel i486DX, 33 MHz
microprocessor; can be replaced with
optional ODP486-33 OverDrive processor
4DX2/50: Intel i486DX2, 50 MHZ
microprocessor
System speed
High and low speeds available; high speed
depends on CPU (25 MHz, 33 MHz, or
MHz), low speed is simulated 8 MHz
50
speed; speed selection through keyboard
command; 0 wait state memory access at
highspeed
diskette
drive
option card slots
serial serial
VGA
\
port 1 port 2
monitor
parallel
port
port
EPSON Endeavor 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
Memory
4MB RAM standard on a SIMM;
expandable using 1MB, 4MB, or 16MB
SIMMs to 32MB (maximum); SIMMs must
be 36-bit, fast-page mode type with 70ns
(or faster) access speed
128KB system BIOS, video BIOS, and
ROM
SETUP code located in EPROM on main
system board
Video RAM
512KB or 1MB DRAM on main system
board; 512KB configuration expandable
to 1MB
Shadow RAM
Supports shadowing of system and video
BIOS ROM into RAM
Cache
8KB of internal cache (built into the
microprocessor)
Math
On 4DX/33 and 4DX2/50 systems, math
coprocessor
coprocessor built into the microprocessor;
optional 487 upgrade available for 4SX/25
system
Real-time clock, calendar, and CMOS
Clock/calendar
RAM socketed on main system board with
built-in battery backup
Controllers
Video
Cirrus® VGA controller on main system
board; provides resolutions up to
1024 x 768
Controller on main system board supports
D i s k e t t e
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 controlIers
Interfaces
Monitor
VGA interface built into main system
board for analog or multifrequency VGA
monitor; 15-pin, D-shell connector
Parallel
One standard &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
keypad.)
EPSON Endeavor-1