ADVANCED LOGIC RESEARCH, INC.
FLOPPY I/O CONTROLLER
|
Card Type |
Floppy drive controller |
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I/O Options |
floppy drive interface, parallel port, serial port |
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Floppy drives supported |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
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Data Bus |
8-bit ISA |
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CONNECTIONS |
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Function |
Label |
Function |
Label |
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Serial port |
CN1 |
Floppy drive interface |
CN3 |
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Parallel port |
CN2 |
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USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
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Factory configured - do not alter |
E1 |
Unidentified |
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Factory configured - do not alter |
E2 |
Unidentified |
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Factory configured - do not alter |
E3 |
Unidentified |
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Factory configured - do not alter |
E4 |
Closed |
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PARALLEL PORT ADDRESS SELECTION |
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Setting |
SW1/3 |
SW1/4 |
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LPT1 |
On |
Off |
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LPT2 |
Off |
On |
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Disabled |
Off |
Off |
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SERIAL PORT ADDRESS SELECTION |
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Setting |
SW1/1 |
SW1/2 |
SW1/7 |
SW1/8 |
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COM1 |
On |
Off |
Off |
On |
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COM2 |
Off |
On |
On |
Off |
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Disabled |
Off |
Off |
Off |
Off |
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PARALLEL PORT INTERRUPT SELECTION |
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|
Assignment |
Interrupt |
SW1/1 |
SW1/2 |
SW1/5 |
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LPT1(3BCh) |
IRQ7 |
On |
Off |
Off |
|
LPT(378h) |
IRQ6 |
Off |
On |
Off |
|
LPT3(278h) |
IRQ5 |
Off |
Off |
On |
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N/A |
Disabled |
Off |
Off |
Off |
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SERIAL PORT INTERRUPT SELECTION |
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Assignment |
Interrupt |
SW1/3 |
SW1/4 |
SW1/7 |
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COM1(3F8h) |
IRQ14 |
On |
Off |
On |
|
COM2(2F8h) |
IRQ3 |
Off |
On |
On |
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COM3(2A0h) |
None |
Off |
On |
Off |
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N/A |
Disabled |
Off |
Off |
Off |
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FLOPPY DRIVE SELECTION |
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Function |
SW1/5 |
SW1/6 |
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Floppy drive enabled |
On |
On |
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Floppy drive disabled |
Off |
Off |
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Note : When floppy drive is enabled, switch settings control the parallel port; when disabled, the settings affect the serial port. |
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