TEXT View Source
# UNIDENTIFIED
AT BUS I/O CARD 0001
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|-------------------+----------------------------------------|
| Size: | Half-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Two IDE (AT) Interface drives |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------------+------------|
| 40-pin IDE(AT) Interface connector | J1 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM2/4) - internal | J2 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM1/3) - external | J3 |
|-----------------------------------------------+------------|
| 25-pin parallel port (LPT1/2) - external | J4 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | J5 |
|-----------------------------------------------+------------|
| 2-pin connector - Drive active LED | LED |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| | 250KB/sec floppy drives | J6 | open |
| | supported | | |
|---+--------------------------------+----------+------------|
| | 300KB/sec floppy drives | J6 | closed |
| | supported | | |
|---+--------------------------------+----------+------------|
| » | Hard drive Interrupt is IRQ14 | J9 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive Interrupt is | J9 | pins 2 & 3 |
| | disabled | | closed |
|---+--------------------------------+----------+------------|
| » | I/O Channel Ready signal | JP1 | open |
| | disabled | | |
|---+--------------------------------+----------+------------|
| | I/O Channel Ready signal | JP1 | closed |
| | enabled | | |
|---+--------------------------------+----------+------------|
| » | Floppy drive enabled | JP3 | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive disabled | JP3 | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (J3) CONFIGURATION - JP2 |
|------------------------------------------------------------|
| J3 | Jumper 1 | Jumper 2 | Jumper 3 |
|------------+---------------+---------------+---------------|
| IRQ4 | closed | open | open |
|------------+---------------+---------------+---------------|
| IRQ5 | open | closed | open |
|------------+---------------+---------------+---------------|
| IRQ9 | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (J2) CONFIGURATION - JP2 |
|------------------------------------------------------------|
| J2 | Jumper 4 | Jumper 5 | Jumper 6 |
|------------+---------------+---------------+---------------|
| IRQ3 | closed | open | open |
|------------+---------------+---------------+---------------|
| IRQ9 | open | closed | open |
|------------+---------------+---------------+---------------|
| IRQ5 | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (J4) CONFIGURATION - JP2 |
|------------------------------------------------------------|
| J4 | Jumper 7 | Jumper 8 |
|------------------+--------------------+--------------------|
| IRQ5 | closed | open |
|------------------+--------------------+--------------------|
| IRQ7 | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (J3) CONFIGURATION - JP6 |
|------------------------------------------------------------|
| J3 | Jumper 1 | Jumper 3 |
|------------------+--------------------+--------------------|
| 3F8h | closed | open |
|------------------+--------------------+--------------------|
| 3E8f | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (J2) CONFIGURATION - JP6 |
|------------------------------------------------------------|
| J2 | Jumper 2 | Jumper 4 |
|------------------+--------------------+--------------------|
| 2F8h | closed | open |
|------------------+--------------------+--------------------|
| 2E8h | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (J4) CONFIGURATION - JP6 |
|------------------------------------------------------------|
| J4 | Jumper 5 | Jumper 6 |
|------------------+--------------------+--------------------|
| 378h | closed | open |
|------------------+--------------------+--------------------|
| 278h | open | closed |
+------------------------------------------------------------+