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# JC INFORMATION SYSTEMS CORPORATION
IDE FLOPPY/HARD DISK CONTROLLER (MODEL 1120)
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit ISA |
|-------------------+----------------------------------------|
| Size: | Half-length, full-hieght 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 | CN1 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | CN2 |
|-----------------------------------------------+------------|
| 25-pin parallel port - external | JP1 |
|-----------------------------------------------+------------|
| 9-pin serial port 1 - external | JS1 |
|-----------------------------------------------+------------|
| 10-pin serial port 2 - internal | JS2 |
|-----------------------------------------------+------------|
| 4pin connector - drive active LED | LED1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|-------------------------------+---------------+------------|
| Parallel port is LPT2 | J1/pins 1 & 2 | closed |
|-------------------------------+---------------+------------|
| Parallel port is LPT1 | J1/pins 2 & 3 | closed |
|-------------------------------+---------------+------------|
| Serial port 1 is COM2 | J1/pins 4 & 5 | closed |
|-------------------------------+---------------+------------|
| Serial port 1 is COM1 | J1/pins 5 & 6 | closed |
|-------------------------------+---------------+------------|
| Serial port 2 is COM2 | J1/pins 7 & 8 | closed |
|-------------------------------+---------------+------------|
| Serial port 2 is COM1 | J1/pins 8 & 9 | closed |
|-------------------------------+---------------+------------|
| Parallel port IRQ5 select | J2/pins 1 & 2 | closed |
|-------------------------------+---------------+------------|
| Parallel port IRQ7 select | J2/pins 2 & 3 | closed |
|-------------------------------+---------------+------------|
| Serial port 1 IRQ3 select | J2/pins 4 & 5 | closed |
|-------------------------------+---------------+------------|
| Serial port 1 IRQ4 select | J2/pins 5 & 6 | closed |
|-------------------------------+---------------+------------|
| Serial port 2 IRQ3 select | J2/pins 7 & 8 | closed |
|-------------------------------+---------------+------------|
| Serial port 2 IRQ4 select | J2/pins 8 & 9 | closed |
+------------------------------------------------------------+