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# ADVANCED MICROCOMPUTER SYSTEMS, INC.
SUPER I/O-20
Card Type Multi I/O
Chipset Unidentified
Controller
I/O Options Serial port(2) via DB-37 intermediate
connector
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+------------+--------------+------------|
| Serial port 1 & 2 | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Jumper | Setting |
|------------------------------+-----------------------------|
| J1/1-4 | Not used |
|------------------------------+-----------------------------|
| J2/1-4 | Not used |
|------------------------------+-----------------------------|
| J3/1-3 | Not used |
|------------------------------+-----------------------------|
| J7/1-11 | Not used |
|------------------------------+-----------------------------|
| J8/1-11 | Not used |
+------------------------------------------------------------+