ARNET CORPORATION

MULTIPORT

Card Type

I/O controller

Chipset/Controller

Startech UART

I/O Options

Serial port (4 or 8)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

DB-62 connector

CN1

UART I/O ADDRESS CONFIGURATION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

100h

On

On

On

Off

On

140h

On

Off

On

Off

On

180h

On

On

Off

Off

On

1C0h

On

Off

Off

Off

On

200h

On

On

On

On

Off

240h

On

Off

On

On

Off

300h

On

On

On

Off

Off

340h

On

Off

On

Off

Off

280h

On

On

Off

On

Off

2C0h

On

Off

Off

On

Off

380h

On

On

Off

Off

Off

3C0h

On

Off

Off

Off

Off

OPTION I/O ADDRESS CONFIGURATION

Address

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

100h

On

On

On

On

On

Off

On

110h

On

Off

On

On

On

Off

On

120h

On

On

Off

On

On

Off

On

130h

On

Off

Off

On

On

Off

On

140h

On

On

On

Off

On

Off

On

150h

On

Off

On

Off

On

Off

On

160h

On

On

Off

Off

On

Off

On

170h

On

Off

Off

Off

On

Off

On

180h

On

On

On

On

Off

Off

On

190h

On

Off

On

On

Off

Off

On

1A0h

On

On

Off

On

Off

Off

On

1B0h

On

Off

Off

On

Off

Off

On

1C0h

On

On

On

Off

Off

Off

On

1D0h

On

Off

On

Off

Off

Off

On

1E0h

On

On

Off

Off

Off

Off

On

1F0h

On

Off

Off

Off

Off

Off

On

200h

On

On

On

On

On

On

Off

210h

On

Off

On

On

On

On

Off

220h

On

On

Off

On

On

On

Off

230h

On

Off

Off

On

On

On

Off

240h

On

On

On

Off

On

On

Off

250h

On

Off

On

Off

On

On

Off

260h

On

On

Off

Off

On

On

Off

270h

On

Off

Off

Off

On

On

Off

280h

On

On

On

On

Off

On

Off

290h

On

Off

On

On

Off

On

Off

2A0h

On

On

Off

On

Off

On

Off

2B0h

On

Off

Off

On

Off

On

Off

2C0h

On

On

On

Off

Off

On

Off

2D0h

On

Off

On

Off

Off

On

Off

2E0h

On

On

Off

Off

Off

On

Off

2F0h

On

Off

Off

Off

Off

On

Off

300h

On

On

On

On

On

Off

Off

310h

On

Off

On

On

On

Off

Off

320h

On

On

Off

On

On

Off

Off

330h

On

Off

Off

On

On

Off

Off

340h

On

On

On

Off

On

Off

Off

350h

On

Off

On

Off

On

Off

Off

360h

On

On

Off

Off

On

Off

Off

370h

On

Off

Off

Off

On

Off

Off

380h

On

On

On

On

Off

Off

Off

OPTION I/O ADDRESS CONFIGURATION (CONTINUED)

Address

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

390h

On

Off

On

On

Off

Off

Off

3A0h

On

On

Off

On

Off

Off

Off

3B0h

On

Off

Off

On

Off

Off

Off

3C0h

On

On

On

Off

Off

Off

Off

3D0h

On

Off

On

Off

Off

Off

Off

3E0h

On

On

Off

Off

Off

Off

Off

3F0h

On

Off

Off

Off

Off

Off

Off

INTERRUPT SELECT

IRQ

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

IRQ2

On

Off

Off

Off

Off

Off

IRQ3

Off

On

Off

Off

Off

Off

IRQ4

Off

Off

On

Off

Off

Off

IRQ5

Off

Off

Off

On

Off

Off

IRQ6

Off

Off

Off

Off

On

Off

IRQ7

Off

Off

Off

Off

Off

On

Not used

Off

Off

Off

Off

Off

Off

RECOMMENDED OPERATING SYSTEM CONFIGURATIONS

Operating System

Address Setting

UART I/O Address

Option I/O Address

IRQ

Concurrent DOS

Primary

280h

270h

IRQ3

Concurrent DOS

Alternate

2C0h

2B0h

IRQ3

Formula IV

Primary

280h

Not used

IRQ2

Formula IV

Alternate

Any unused area

Not used

Not used

SunSoft Interactive 386/ix

Primary

200h

240h

IRQ3

SunSoft Interactive 386/ix

Alternate

280h

2C0h

IRQ3

MBOS/5, BOS/LAN

Primary

2C0h

Not used

IRQ3

MBOS/5, BOS/LAN

Alternate

100h

Not used

IRQ3

MBOS/5, BOS/LAN

Alternate

200h

Not used

IRQ3

Microport UNIX

Primary

100h

Not used

IRQ3

Microport UNIX

Alternate

280h

Not used

IRQ3

Micronetic MUMPS

Primary

280h

Not used

IRQ3

Micronetic MUMPS

Alternate

240h

Not used

IRQ5

MUMPS/CCSM MUMPS

Primary

280h

2C0h

IRQ3

MUMPS/CCSM MUMPS

Alternate

200h

2D0h

IRQ3

PC-MOS/386

Primary

280h

Not used

IRQ2

PC-MOS/386

Alternate

100h

Not used

IRQ2

RECOMMENDED OPERATING SYSTEM CONFIGURATIONS (CONTINUED)

Operating System

Address Setting

UART I/O Address

Option I/O Address

IRQ

PICK

Primary

280h

2C0h

IRQ4

PICK

Alternate

180h

1C0h

IRQ3

PICK OA

Primary

200h

240h

IRQ2

PICK OA

Alternate

100h

140h

IRQ7

QNX

Primary

280h

Not used

IRQ2

QNX

Primary

280h

Not used

IRQ3

QNX

Primary

280h

Not used

IRQ4

QNX

Primary

280h

Not used

IRQ5

Quick Connect

Primary

280h

Not used

IRQ4

SCO XENIX/UNIX V

Primary

100h

140h

IRQ4

SCO XENIX/UNIX V

Alternate

280h

2C0h

IRQ4

SCO XENIX/UNIX V

Primary

180h

1C0h

IRQ3

SCO XENIX/UNIX V

Alternate

300h

340h

N/A

THEOS

Primary

100h

140h

IRQ5

THEOS

Alternate

180h

1C0h

IRQ7

VENIX/86

Primary

280h

Not used

IRQ3

VENIX/86

Alternate

280h

Not used

IRQ4

VM/386

Primary

300h

340h

IRQ5

XMM-DOS

Primary

100h

180h

IRQ2

XMM-DOS

Alternate

140h

190h

IRQ7

MS-DOS

Primary

280h

Not used

IRQ2

MS-DOS

Alternate

140h

Not used

IRQ3