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EPSON
Endeavor
WG
power (SPEED) hard disk
diskette
light
access light
drive
power
button
hard disk or diskette
drive bay
115/230 VAC switch
\
option card slots
power keyboard
inlet port
/
serial
’
pottl
seria’
\
VGA
mouse
port2
parallel
monitor
port
port
Port
Computer Specifications
CPU and Memory
32-bit CPU
4SX/33: Intel
i486SX, 33 MHz
microprocessor; can be replaced with
optional 487SX/33 or ODP486-33
OverDrive processor
4DX2/50: Intel i486DX2, 50 MHz
microprocessor; supports future Intel
OverDrive processor
4DX2/66: Intel i486DX2, 66 MHz
microprocessor; supports future Intel
OverDrive processor
System speed
High, low, and automatic speeds available;
high speed is CPU-dependent (33,50, or
66 MHz), low speed is simulated 8 MHz,
automatic speed switches from high to low
only for diskette drive access; speed
selection through SETUP, keyboard
command, or ESPEED program; 0 wait
state memory access at high speed
Memory
ROM
Video RAM
Shadow RAM
Cache
VirtualCache
Math
coprocessor
Clock/calendar
Controllers
Video
Diskette
Hard disk
Interfaces
Monitor
Parallel
4MB RAM standard soldered on main
system board; expandable using 1MB,
4MB, 16MB, or 64MB SIMMs to 128MB
(maximum); SIMMs must be 36-bit,
fast-page mode type with 70 ns (or faster)
access speed
128KB ROM containing system BIOS and
video BIOS; 64KB ROM containing SETUP
code
1MB video RAM on main system board
Automatic shadowing of system and VGA
BIOS ROM into RAM; shadow RAM
address control selectable through SETUP
8KB of internal cache (built into the
microprocessor); cache testing and address
control selectable through SETUP
Epson proprietary VirtualCache feature
automatically creates a “virtual cache”
buffer the size of maximum system
memory
On 4DX2/50 and 4DX2/66 systems, math
coprocessor built into the microprocessor
Real-time clock, calendar, and CMOS
RAM on main system board; separate
battery backup
Chips and Technologies Wingine P64200
VGA controller on main system board;
provides resolutions of 800
x
600
x
64K
colors and up to 1024 x 768 x 256 colors
Controller on main system board supports
up to two diskette drives or one diskette
drive and one tape drive
Interface on main system board supports
up to two IDE hard disk drives with
built-in controllers
VGA interface built into main system
board for analog or multifrequency VGA
monitor; 15-pin, D-shell connector
One standard 8-bit parallel, bidirectional
interface built into main system board;
port assignment and I/O address
selectable through SETUP; 25-pin, D-shell
connector
7/27/93
EPSON Endeavor WG-1