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# GIGA-BYTE TECHNOLOGY CO., LTD.
GA-108
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit PCI |
|-------------------+----------------------------------------|
| Size: | Half-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Four IDE(AT) drives |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------+-----------------|
| 40-pin primary IDE(AT) connector | CN1 |
|------------------------------------------+-----------------|
| 40-pin secondary IDE(AT) connector | CN2 |
|------------------------------------------+-----------------|
| 34-pin cable connector - floppy drive | CN3 |
|------------------------------------------+-----------------|
| 9-pin serial port 1 - external | CN4 |
|------------------------------------------+-----------------|
| 10-pin serial port 2 - internal | CN5 |
|------------------------------------------+-----------------|
| 25-pin parallel port - external | CN6 |
|------------------------------------------+-----------------|
| 2-pin connector - drive active LED | JP13 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|-----------------------------------+--------------+---------|
| » | Serial port 2 is COM2 | JP1/pins 1 & | closed |
| | | 2 | |
|---+-------------------------------+--------------+---------|
| | Serial port 2 is COM4 | JP1/pins 2 & | closed |
| | | 3 | |
|---+-------------------------------+--------------+---------|
| » | Serial port 2 enabled | JP2/pins 1 & | closed |
| | | 2 | |
|---+-------------------------------+--------------+---------|
| | Serial port 2 disabled | JP2/pins 2 & | closed |
| | | 3 | |
|---+-------------------------------+--------------+---------|
| » | Floppy drive interface | JP4/pins 1 & | closed |
| | enabled | 2 | |
|---+-------------------------------+--------------+---------|
| | Floppy drive interface | JP4/pins 2 & | closed |
| | disabled | 3 | |
|---+-------------------------------+--------------+---------|
| » | Parallel port is LPT2 | JP5/pins 1 & | closed |
| | | 2 | |
|---+-------------------------------+--------------+---------|
| | Parallel port is LPT3 | JP5/pins 2 & | closed |
| | | 3 | |
|---+-------------------------------+--------------+---------|
| » | Parallel port enabled | JP6/pins 1 & | closed |
| | | 2 | |
|---+-------------------------------+--------------+---------|
| | Parallel port disabled | JP6/pins 2 & | closed |
| | | 3 | |
|---+-------------------------------+--------------+---------|
| » | Serial port 1 is COM1 | JP8/pins 1 & | closed |
| | | 2 | |
|---+-------------------------------+--------------+---------|
| | Serial port 1 is COM3 | JP8/pins 2 & | closed |
| | | 3 | |
|---+-------------------------------+--------------+---------|
| » | Serial port 1 enabled | JP9/pins 1 & | closed |
| | | 2 | |
|---+-------------------------------+--------------+---------|
| | Serial port 1 disabled | JP9/pins 2 & | closed |
| | | 3 | |
|---+-------------------------------+--------------+---------|
| » | IDE(AT) interface enabled | JP12 | open |
|---+-------------------------------+--------------+---------|
| | IDE(AT) interface disabled | JP12 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT SELECTION FOR PRIMARY IDE |
|------------------------------------------------------------|
| INT | JP14 | JP15 | JP16 | JP17 |
| | | | | |
| | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
|--------+------------+------------+------------+------------|
| » | D | open | open | open | closed |
|---+----+------------+------------+------------+------------|
| | A | closed | open | open | open |
|---+----+------------+------------+------------+------------|
| | B | open | closed | open | open |
|---+----+------------+------------+------------+------------|
| | C | open | open | closed | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT SELECTION FOR SECONDARY IDE |
|------------------------------------------------------------|
| INT | JP14 | JP15 | JP16 | JP17 |
| | | | | |
| | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
|--------+------------+------------+------------+------------|
| » | C | open | open | closed | open |
|---+----+------------+------------+------------+------------|
| | A | closed | open | open | open |
|---+----+------------+------------+------------+------------|
| | B | open | closed | open | open |
|---+----+------------+------------+------------+------------|
| | D | open | open | open | closed |
+------------------------------------------------------------+