EPSON Endeavor WG

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

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)

jA

IA

jB

IA

DX2/50 (25 MHz)

]B

IB

IA

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

CPU type*

J5

J6

J7

J8

486SX/33

B

B

B

B

ODP486-33 or 487SX/33

A

A

A

A

ODP486DX50/66

A

A

B

B

*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

Jumper

 

number

setting

Function

J9**

A*

Enables the built-in mouse connector

 

B

Disables the built-in mouse connector

J10

A’

Enables the built-in VGA display adapter

 

B

Disables the built-in VGA display adapter

J11

A’

A color monitor is installed

 

B

A monochrome monitor is installed

J12**

A

Enables a mouse or other pointing device

ClDisables 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