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# INFORMTECH INTERNATIONAL, INC.
UN-1075
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Half-length, half-height card
Hard drives supported: Two IDE (AT) Interface drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
drives
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------------+-----------|
| 40-pin IDE (AT) Interface connector - internal | JP1 |
|------------------------------------------------+-----------|
| 16-pin game port | JP2 |
|------------------------------------------------+-----------|
| 10-pin serial port 1 connector - internal | JP3 |
|------------------------------------------------+-----------|
| 10-pin serial port 2 connector - external | JP4 |
|------------------------------------------------+-----------|
| 34-pin floppy drive connector - internal | JP5 |
|------------------------------------------------+-----------|
| HDD LED connector | JP8 |
|------------------------------------------------+-----------|
| DB-25 parallel port connector - external | JP15 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | IDEIOR path = ATBUS IOR | J1 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDEIOR path = W83758P - IOROP | J1 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | IDEIOW path = ATBUS IOW | J2 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDEIOW path = W83758P - IOWOP | J2 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive A & B normal mode | JP6/1 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive A & B change mode | JP6/1 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Floppy drive address = 3F0h - | JP6/2 | Pins 2 & 3 |
| | 3F7h | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive address = 370h - | JP6/2 | Pins 1 & 2 |
| | 377h | | closed |
|---+--------------------------------+----------+------------|
| » | IDE bus enabled | JP6/3 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDE bus disabled | JP6/3 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | HDD address = 3F6h, 3F7h, 1F0h | JP6/4 | Pins 2 & 3 |
| | - 1F7h | | closed |
|---+--------------------------------+----------+------------|
| | HDD address = 376h, 377h, 170h | JP6/4 | Pins 1 & 2 |
| | - 177h | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive controller | JP6/5 | Pins 1 & 2 |
| | enabled | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive controller | JP6/5 | Pins 2 & 3 |
| | disabled | | closed |
|---+--------------------------------+----------+------------|
| » | Game port enabled | JP16 | Closed |
|---+--------------------------------+----------+------------|
| | Game port disabled | JP16 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (JP3) CONFIGURATION |
|------------------------------------------------------------|
| COM/Address | JP9/1 | JP9/2 |
|--------------------+-------------------+-------------------|
| » | COM1/3F8h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+----------------+-------------------+-------------------|
| | COM3/3E8h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | COM4/2E8h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP12/1 | JP12/2 | JP12/3 |
|----------------+--------------+--------------+-------------|
| » | IRQ4 | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ3 | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ5 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (JP4) CONFIGURATION |
|------------------------------------------------------------|
| COM/Address | JP9/3 | JP9/4 |
|--------------------+-------------------+-------------------|
| » | COM2/2F8h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+----------------+-------------------+-------------------|
| | COM3/3E8h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | COM4/2E8h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP12/4 | JP12/5 | JP12/6 |
|----------------+--------------+--------------+-------------|
| » | IRQ3 | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ4 | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ5 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (JP15) CONFIGURATION |
|------------------------------------------------------------|
| LPT/Address | JP9/5 | JP9/6 |
|--------------------+-------------------+-------------------|
| » | LPT1/378h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | LPT2/278h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+----------------+-------------------+-------------------|
| | LPT3/38Ch | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP12/7 | JP12/8 |
|-----------------------+------------------+-----------------|
| » | IRQ7 | Closed | Open |
|-----+-----------------+------------------+-----------------|
| | IRQ5 | Open | Closed |
+------------------------------------------------------------+