JC INFORMATION SYSTEMS CORPORATION
IDE FLOPPY/HARD DISK CONTROLLER (MODEL 1120)
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Data bus: |
16-bit ISA |
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Size: |
Half-length, full-hieght card |
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Hard drive supported: |
Two IDE (AT) interface drives |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
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CONNECTIONS | |
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Function |
Location |
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40-pin IDE (AT) interface connector |
CN1 |
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34-pin control cable connector - floppy drive |
CN2 |
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25-pin parallel port - external |
JP1 |
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9-pin serial port 1 - external |
JS1 |
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10-pin serial port 2 - internal |
JS2 |
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4pin connector - drive active LED |
LED1 |
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USER CONFIGURABLE SETTINGS | ||
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Function |
Location |
Setting |
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Parallel port is LPT2 |
J1/pins 1 & 2 |
closed |
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Parallel port is LPT1 |
J1/pins 2 & 3 |
closed |
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Serial port 1 is COM2 |
J1/pins 4 & 5 |
closed |
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Serial port 1 is COM1 |
J1/pins 5 & 6 |
closed |
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Serial port 2 is COM2 |
J1/pins 7 & 8 |
closed |
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Serial port 2 is COM1 |
J1/pins 8 & 9 |
closed |
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Parallel port IRQ5 select |
J2/pins 1 & 2 |
closed |
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Parallel port IRQ7 select |
J2/pins 2 & 3 |
closed |
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Serial port 1 IRQ3 select |
J2/pins 4 & 5 |
closed |
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Serial port 1 IRQ4 select |
J2/pins 5 & 6 |
closed |
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Serial port 2 IRQ3 select |
J2/pins 7 & 8 |
closed |
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Serial port 2 IRQ4 select |
J2/pins 8 & 9 |
closed |