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# UNIDENTIFIED
SNB-C038
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Half-length, half-height card
Hard drives supported: Two IDE Interface (AT) drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|---------------------------------------------+--------------|
| 25-pin parallel port-external | J1 |
|---------------------------------------------+--------------|
| 9-pin serial port 1 (COM1/3/4)-internal | J2 |
|---------------------------------------------+--------------|
| 9-pin serial port 2 (COM2/3/4)-external | J3 |
|---------------------------------------------+--------------|
| 34-pin control cable connector-floppy drive | J4 |
|---------------------------------------------+--------------|
| 40-pin IDE Interface (AT) connector | J5 |
|---------------------------------------------+--------------|
| 4-pin connector-drive active LED | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|-----------------------------+----------+-------------------|
| » | Floppy drive enabled | JP2 | pins 1 & 2 closed |
|---+-------------------------+----------+-------------------|
| | Floppy drive disabled | JP2 | pins 1 & 2 open |
|---+-------------------------+----------+-------------------|
| » | Hard drive enabled | JP2 | pins 3 & 4 closed |
|---+-------------------------+----------+-------------------|
| | Hard drive disabled | JP2 | pins 3 & 4 open |
|---+-------------------------+----------+-------------------|
| » | IOCHRDY signal enabled | JP2 | pins 5 & 6 closed |
|---+-------------------------+----------+-------------------|
| | IOCHRDY signal disabled | JP2 | pins 5 & 6 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (CN2) CONFIGURATION |
|------------------------------------------------------------|
| COM | JP1/pins 1 & 2 | JP1/pins 3 & 4 |
|-----------------------+------------------+-----------------|
| » | COM1 (3F8-3FFh) | closed | open |
|---+-------------------+------------------+-----------------|
| | COM3 (3E8-3EFh) | open | closed |
|---+-------------------+------------------+-----------------|
| | COM4 (2E8-2EFh) | closed | closed |
|---+-------------------+------------------+-----------------|
| | Disabled | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (CN3) CONFIGURATION |
|------------------------------------------------------------|
| COM | JP1/pins 5 & 6 | JP1/pins 7 & 8 |
|-----------------------+------------------+-----------------|
| » | COM2 (2F8-2FFh) | closed | open |
|---+-------------------+------------------+-----------------|
| | COM4 (2E8-2EFh) | open | closed |
|---+-------------------+------------------+-----------------|
| | COM3 (3E8-3EFh) | closed | closed |
|---+-------------------+------------------+-----------------|
| | Disabled | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (CN1) CONFIGURATION |
|------------------------------------------------------------|
| LPT | JP1/pins 9 & 10 | JP1/pins 11 & 12 |
|----------------------+------------------+------------------|
| » | LPT2 (378-37Fh) | closed | open |
|---+------------------+------------------+------------------|
| | LPT3 (278-27Fh) | open | closed |
|---+------------------+------------------+------------------|
| | Disabled | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (CN2) INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP3/pins 1 & 2 | JP3/pins 3 & 4 |
|------------------+--------------------+--------------------|
| » | IRQ4 | closed | open |
|---+--------------+--------------------+--------------------|
| | IRQ3 | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (CN3) INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP3/pins 5 & 6 | JP3/pins 7 & 8 |
|------------------+--------------------+--------------------|
| » | IRQ3 | closed | open |
|---+--------------+--------------------+--------------------|
| | IRQ4 | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (CN1) INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP3/pins 9 & 10 | JP3/pins 11 & 12 |
|------------------+--------------------+--------------------|
| » | IRQ7 | closed | open |
|---+--------------+--------------------+--------------------|
| | IRQ5 | open | closed |
+------------------------------------------------------------+