Epson Endeavor-WG Specifications download pdf (Page 6)

Hardware Interrupts

IRQ no. Function

IRQ0

Timer output

IRQ1

Keyboard

IRQ3

Serial port 2

IRQ4

Serial port 1

IRQ5

Available (parallel port 2)

IRQ6

Floppy disk drive controller

IRQ7

Parallel port 1

IRQ8

Real-time clock

IRQ9

Available

IRQ10

Available

IRQ11

Available

IRQ12

PS/2 compatible mouse or optional pointing device

IRQ13

Math coprocessor

IRQ14

Hard disk drive controller

IRQ15

Available

System I/O Address Map

* Recommended addresses for installing devices

Jumper Settings

EPSON Endeavor WG

See the illustration on page 3 for the location of the jumpers

on the main system board.

CPU Speed Jumper Settings

CPU speed

IJl*

152’

153’ 154’

SX/33, DX2/66 (33 MHz)

DX2/50 (25 MHz)

]B IB IA

* Factory setting according to processor external speed clock; do not change

these jumpers unless you replace a DX2/50 chip with a DX2/66 chip.

CPU Type lumper Settings

J5 J6 J7

B B B

A A A

B B

CPU type*

486SX/33

ODP486-33 or 487SX/33

ODP486DX50/66

* Factory-set according to system type. You need to change jumpers

J5-J8 only if you have the 4SX/33 system and you remove the original

microprocessor chip and install a new one, or if you install a future

OverDrive processor in the 4DX2/50 or 4DX2/66.

Other Jumper Settings

Jumper

number

J9**

Jumper

setting

Function

Enables the built-in mouse connector

J10

J11

J12**

A’

Disables the built-in mouse connector

Enables the built-in VGA display adapter

Disables the built-in VGA display adapter

A color monitor is installed

A monochrome monitor is installed

Enables a mouse or other pointing device

Disables a mouse or other pointing device

* Factory setting

“To use a mouse connected to a port on an option card, set J9 to B and

J12 to A. lf you connect another type of pointing device (such as a joy

stick) to the option card port, set both jumpers to A.

EPSON Endeavor WG-6

5/3/93

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Epson Endeavor-WG Specifications Page 6

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