...because we can't all be on the bleeding edge...





SUPER I/O-21

ADVANCED MICROCOMPUTER SYSTEMS, INC.

SUPER I/O-21

Card Type

Multi I/O

Chipset Controller

Unidentified

I/O Options

Serial port(2), parallel port via DB-37 intermediate connector

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1 & 2, parallel port

CN1

Not used

CN2

SERIAL PORT 1 INTERRUPT

IRQ

J5/1

J5/2

J5/3

J5/4

J5/5

J5/6

J5/7

J5/8

J5/9

J5/10

J5/11

2

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

Open

3

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

4

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

5

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

6

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

7

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

10

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

11

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

12

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

14

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

15

Open

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Note: Interrupt settings for J5 shown. J6 uses an identical configuration. J5 affects serial port 1 and J6 affects serial port 2

SERIAL PORT CONFIGURATION

Port 1

Port 2

J4/1

J4/2

J4/3

J4/4

COM2

COM4

Open

Closed

Open

Closed

COM1

COM3

Closed

Open

Closed

Open

COM3

COM4

Open

Open

Closed

Closed

COM2

COM3

Open

Closed

Closed

Open

COM1

COM2

Closed

Closed

Open

Open

Disabled

COM4

Open

Open

Open

Closed

Disabled

COM3

Open

Open

Closed

Open

COM2

Disabled

Open

Closed

Open

Open

COM1

Disabled

Closed

Open

Open

Open

Disabled

Disabled

Open

Open

Open

Open

PARALLEL PORT INTERRUPT

IRQ

J1/1

J1/2

J1/3

J1/4

2

Closed

Open

Open

Open

5

Open

Closed

Open

Open

6

Open

Open

Closed

Open

7

Open

Open

Open

Closed

PARALLEL PORT CONFIGURATION

Port 1

J3/1

J3/2

J3/3

LPT1

Closed

Open

Open

LPT1

Open

Closed

Open

LPT3

Open

Open

Closed

Disabled

Open

Open

Open

FACTORY CONFIGURED SETTINGS

Jumper

Setting

J2/1-4

Not used

J7/1-11

Not used

J8/1-11

Not used