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# AMS, INC.
422/485PC-10-X
Card Type Serial card
Chip Set Unidentified
Maximum Onboard Memory Unidentified
I/O Options Serial port
Hard Drives supported None
Floppy drives supported None
Data Bus 8-bit ISA
Card Size Half-length, half-height card
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| DB-25 connector | CN1 | 26-pin serial | J4 |
| | | connector | |
|----------------------+-------+---------------------+-------|
| 38-pin serial | J3 | | |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Serial | Serial | J5/A | J5/B | J5/C | J5/D |
| Port 1 | Port 2 | | | | |
|------------+-----------+--------+--------+--------+--------|
| COM1 | Disabled | Closed | Open | Open | Open |
| (3F8h) | | | | | |
|------------+-----------+--------+--------+--------+--------|
| COM2 | Disabled | Open | Closed | Open | Open |
| (2F8h) | | | | | |
|------------+-----------+--------+--------+--------+--------|
| COM3 | Disabled | Open | Open | Closed | Open |
| (3E8h) | | | | | |
|------------+-----------+--------+--------+--------+--------|
| COM4 | Disabled | Open | Open | Open | Closed |
| (2E8h) | | | | | |
|------------+-----------+--------+--------+--------+--------|
| COM1 | COM2 | Closed | Closed | Open | Open |
| (3F8h) | (2F8h) | | | | |
|------------+-----------+--------+--------+--------+--------|
| COM2 | COM3 | Open | Closed | Closed | Open |
| (2F8h) | (3E8h) | | | | |
|------------+-----------+--------+--------+--------+--------|
| COM3 | COM4 | Open | Open | Closed | Closed |
| (3E8h) | (2E8h) | | | | |
|------------+-----------+--------+--------+--------+--------|
| Disabled | Disabled | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT TERMINATION |
|------------------------------------------------------------|
| IRQ | SP1 |
|----------------------------+-------------------------------|
| IRQ2 | Jumper A closed |
|----------------------------+-------------------------------|
| IRQ3 | Jumper B closed |
|----------------------------+-------------------------------|
| IRQ4 | Jumper C closed |
|----------------------------+-------------------------------|
| IRQ5 | Jumper D closed |
|----------------------------+-------------------------------|
| IRQ6 | Jumper E closed |
|----------------------------+-------------------------------|
| IRQ7 | Jumper F closed |
|----------------------------+-------------------------------|
| IRQ10 | Jumper G closed |
|----------------------------+-------------------------------|
| IRQ11 | Jumper H closed |
|----------------------------+-------------------------------|
| IRQ12 | Jumper I closed |
|----------------------------+-------------------------------|
| IRQ14 | Jumper K closed |
|----------------------------+-------------------------------|
| IRQ15 | Jumper J closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 RESISTOR TERMINATION |
|------------------------------------------------------------|
| Location | Signal(s) |
|-----------------------------+------------------------------|
| R3 | TxD |
|-----------------------------+------------------------------|
| R4 | RxD |
|-----------------------------+------------------------------|
| R5 | RTS |
|-----------------------------+------------------------------|
| R8 | DSR |
|-----------------------------+------------------------------|
| R9 | CD |
|-----------------------------+------------------------------|
| R10 | DTR |
|-----------------------------+------------------------------|
| R11 | CTS |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| Note: Terminating resistors are usually only needed if the |
| card is installed in systems using high baud rates. If |
| terminating resistors are required, insert them into the |
| listed locations. Size and type of resistor are |
| unidentified. |
+------------------------------------------------------------+