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 |