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# HEWLETT-PACKARD COMPANY
HP 24540B
Card Type Multi I/O
Chipset Controller Unidentified
I/O Options Serial port, parallel port
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Serial port | CN1 | Parallel port | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | IRQ | J1 |
|------------------+-------------+---------------------------|
| » | COM1 | 4 | Pins 7 & 8 closed |
|---+--------------+-------------+---------------------------|
| | COM2 | 3 | Pins 5 & 6 closed |
|---+--------------+-------------+---------------------------|
| | COM3 | 10 | Pins 3 & 4 closed |
|---+--------------+-------------+---------------------------|
| | COM4 | 11 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | IRQ | J2 |
|------------------+-------------+---------------------------|
| » | LPT1 | 7 | Pins 3 & 4 closed |
|---+--------------+-------------+---------------------------|
| | LPT2 | 5 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPUTER TYPE SELECTION |
|------------------------------------------------------------|
| Type | J3 |
|----------------------------+-------------------------------|
| » | AT | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | XT | Pins 3 & 4 closed |
+------------------------------------------------------------+