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# BOCA RESEARCH, INC.
IDE CONTROLLER (VER. 2)
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit ISA |
|--------------------------+---------------------------------|
| Size: | Half-length, half-height card |
|--------------------------+---------------------------------|
| H ard drive supported: | Two IDE(AT) interface drives |
|--------------------------+---------------------------------|
| Floppy drives supported: | 360KB, 720KB, 1.2MB, 1.44MB |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|--------------------------------------------+---------------|
| 40-pin IDE(AT) interface connector | J1 |
|--------------------------------------------+---------------|
| 34-pin data cable connector - floppy drive | J2 |
|--------------------------------------------+---------------|
| 4-pin connector - drive active LED | J3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Hard drive attached to IDE | J4/A | pins 2 & 3 |
| | controller is primary drive | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive attached to IDE | J4/A | pins 1 & 2 |
| | controller is alternate drive | | closed |
|---+--------------------------------+----------+------------|
| » | IDE interface interrupt IRQ14 | J4/B | pins 2 & 3 |
| | select | | closed |
|---+--------------------------------+----------+------------|
| | IDE interface interrupt IRQ15 | J4/B | pins 1 & 2 |
| | select | | closed |
|---+--------------------------------+----------+------------|
| » | IDE interface enabled | J4/C | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDE interface disabled | J4/C | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive interface enabled | J4/D | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive interface | J4/D | pins 1 & 2 |
| | disabled | | closed |
+------------------------------------------------------------+