EPSON ActionNote 650

CPU Selection Connector (JP224)

PCMCIA Socket A Connector (JP225)

1 Pin No.

Pin No.

Signal

3CURR: 2.1A/1.05A current source

Inverter Connector (P2)

System I/O Addresses, DMA Assignments, and Hardware Interrupts

I/O Addresses

Hex

Device

Hex

Device

Hex

Device

Address

 

 

Address

 

Address

 

 

 

DMA

con-

0F0-0F1

Clear

27F-2F8

Reserved

 

troller 1

 

math co-

 

 

 

 

 

 

 

processor

 

 

 

 

 

 

 

busv

 

 

 

020-040

Interrupt

0F1-0F8

Reset

2F8-2FF

Serial

 

controller

 

math co-

 

port 2

 

 

 

 

processor

 

 

 

040-060

Timer/

 

Math co-

2FF-3B0

 

 

 

counter

 

processor

 

 

 

 

Keyboard

100-1F0

Reserved

3B0-3F0

Video

 

controller

 

 

 

system

070-080

RTC NMI

1F0-200

Hard disk

3BC-3BE

Parallel

 

 

 

 

drive

3

port 1

 

 

 

 

 

 

 

 

 

DMA

 

200-208

Game port

3F0-3F8

Diskette

 

page

 

 

 

 

drive

 

register

 

 

 

controller

 

 

 

 

 

 

0A0-0C0

Interrupt

208-278

Reserved

3F8-3FF

Serial

 

controller

 

 

 

port 1

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0C0-0F0

DMA

con-

240-24F

PCMCIA

 

 

 

 

troller

2

 

controller

 

 

 

 

 

 

 

 

 

 

 

DMA

Assignments

 

 

 

 

 

 

 

 

 

 

 

Level

 

Device

Level

Device

Level

Device

 

 

 

 

 

 

 

DMA0

 

Available

DMA3

ECP

DMA6

Available

 

 

 

 

 

 

 

DMA1

 

Available

DMA4

Cascade for

DMA7

Available

 

 

 

 

Ctrl 1

 

 

 

 

 

 

 

 

 

 

 

Diskette

 

Available

 

 

 

 

Controller

 

 

 

 

 

 

 

 

 

 

 

AN650-6

10l25l94