Epson Endeavor Product Information Guide
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- Epson Endeavor | Product Information Guide - Page 1
board 512KB or 1MB DRAM on main system board; 512KB configuration expandable to 1MB Supports shadowing of system and video BIOS ROM into RAM 8KB of internal cache (built into the microprocessor) On 4DX interfaces built into main system board; 9-pin, D-shell connectors 4/1/93 EPSON Endeavor-1 - Epson Endeavor | Product Information Guide - Page 2
EPSON Endeavor 4SX/25, 4DX/33, and 4DX2/50 Keyboard Mouse Option slots Speaker Alternate VGA PS/2 compatible keyboard interface built into main system board; num lock setting selectable through SETUP; 6-pin, mini DIN connector PS/2 compatible mouse interface built into main system board; 6-pin, - Epson Endeavor | Product Information Guide - Page 3
Main System Board Diagram EPSON Endeavor 4SX/25, 4DX/33, and 4DX2/50 4/1/93 EPSON Endeavor-3 - Epson Endeavor | Product Information Guide - Page 4
EPSON Endeavor 49SX/25, 40X/33, and 4DX2/50 Major Subassemblies Serial Port Connectors (CN4 and CN5) main system option card VDC (fused) 5 Clock 6 Reserved VGA Port Connector (CN7) pin 5 pin 1 pin 10 pin 6 pin 15 pin 11 VGA Port Connector Pin Assignments EPSON Endeavor-4 4/1/93 - Epson Endeavor | Product Information Guide - Page 5
VGA Feature Connector (CN8) VGA Feature Connector Pin Assignments EPSON Endeavor 4SX/25, 4DX/33, and 4DX2/50 System I/O Address Map 'Active low logic DMA IRQ6 Function Timer output Keyboard Serial port 2 Serial port 1 Available (parallel port 2) FDD controller 4/1/93 EPSON Endeavor-5 - Epson Endeavor | Product Information Guide - Page 6
Jumper number J5*** J6 J7*** J6 Jumper setting On Off* 1-2* 2-3 On Off' 1-2* Function Supports CGA adapters Supports monochrome, EGA, MCGA, and VGA adapters Enables the built-in VGA display adapter Disables the built- * 4MB 5MB 5MB 8MB 16MB 16MB 17MB 17MB 20MB 20MB 32MB EPSON Endeavor-6 4/1/93 - Epson Endeavor | Product Information Guide - Page 7
can use in the computer. Check this table and your hard disk manual to find the correct type number(s) for the hard disk drive(s) installed the SETUP program. Epson Hard Disk Drive Types Type number 39 34 Epson hard disk drive 120MB 240MB Installation/Support Tips Power The EPSON Endeavor-7 - Epson Endeavor | Product Information Guide - Page 8
Support Bulletins None. Related Documentation TM-ENDVR EPSON Endeavor Service Manual PL-ENDVR EPSON Endeavor Parts Price List SPKENDVR EPSON Endeavor Self Paced Kit 400195200 EPSON Endeavor Setup Guide 400195100 EPSON Endeavor User's Guide 400195000 EPSON VGA Utilities Guide EPSON
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EPSON Endeavor 4SX/25, 4DX/33, and 4DX2/50
pourer
hard disk
diskette
power
(SPEED) light
access light
drive
bWon
Memory
ROM
hay for hard
disk.
diskette,
tape, CD-ROM, or other drive
110/220 VAC switch
option card slots
power keyboard
serial serial
inlet
port
port 1 port 2
\
VGA
parallel
monitor
mouse
port
port
port
Video RAM
Shadow RAM
Cache
Math
coprocessor
Clock/calendar
Controllers
Video
Computer Specifications
Diskette
CPU and Memory
32-bit CPU
4SX/25:
Intel® i486SX, 25 MHz
microprocessor; can be replaced with
optional 487SX/25 or ODP486-25
OverDriveT”
processor
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
50
MHz), low speed is simulated 8 MHz
speed; speed selection through keyboard
command; 0 wait state memory access at
highspeed
Hard disk
Interfaces
Monitor
Parallel
Serial
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.)
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
SETUP code located in EPROM on main
system board
512KB or 1MB DRAM on main system
board; 512KB configuration expandable
to 1MB
Supports shadowing of system and video
BIOS ROM into RAM
8KB of internal cache (built into the
microprocessor)
On 4DX/33 and 4DX2/50 systems, math
coprocessor built into the microprocessor;
optional 487 upgrade available for 4SX/25
system
Real-time clock, calendar, and CMOS
RAM socketed on main system board with
built-in battery backup
Cirrus® VGA controller on main system
board; provides resolutions up to
1024 x 768
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 controlIers
VGA interface built into main system
board for analog or multifrequency VGA
monitor; 15-pin, D-shell connector
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
Two RS-232C, programmable,
asynchronous interfaces built into main
system board; 9-pin, D-shell connectors
4/1/93
EPSON Endeavor-1