UNIDENTIFIED
8303 SPHF
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Data bus: |
16-bit, ISA |
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Size: |
Half-lenght, full-height 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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34-pin control cable connector - floppy drive |
J1 |
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40-pin IDE (AT) Interface control cable connector-internal |
J2 |
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9-pin serial port 2 - internal |
J3 |
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4-pin connector - drive active LED |
J4 |
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9-pin serial port 1 - external |
J5 |
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25-pin parallel port - external |
J6 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Floppy drive enabled |
SW1/8 |
On | |
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Floppy drive disabled |
SW1/8 |
Off | |
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Hard drive enabled |
SW1/9 |
On | |
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Hard drive disabled |
SW1/9 |
Off | |
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Factory configured setting - do not alter |
SW1/10 |
Off | |
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Factory configured setting - do not alter |
JP1 |
pins 1 & 2 closed | |
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Factory configured setting - do not alter |
JP2 |
pins 2 & 3 closed | |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Clock speed <= 12MHz |
JP3 |
pins 2 & 3 closed | |
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Clock speed > 12 Mhz |
JP3 |
pins 1 & 2 closed | |
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I/O address ranges = 1F0h-1F7h and 3F6h-3F7h |
JP4 |
pins 1 & 2 closed | |
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I/O address ranges = 170h-177h and 376h-377h |
JP4 |
pins 2 & 3 closed | |
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SERIAL PORT CONFIGURATION | |||||
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Port 1 |
Port 2 |
SW1/1 |
SW1/2 |
SW1/3 | |
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COM1 |
COM2 |
Off |
Off |
Off | |
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COM2 |
COM1 |
On |
On |
Off | |
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Disabled |
Disabled |
N/A |
On |
On | |
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PARALLEL PORT CONFIGURATION | |||||
|
Setting |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 | |
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LPT1 |
Off |
Off |
Off |
On | |
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LPT2 |
Off |
On |
On |
Off | |
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Disabled |
On |
N/A |
N/A |
N/A | |