UNIDENTIFIED
AT BUS I/O CARD 0001
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Data bus: |
16-bit, ISA |
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Size: |
Half-length, 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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40-pin IDE(AT) Interface connector |
J1 |
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10-pin serial port (COM2/4) - internal |
J2 |
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10-pin serial port (COM1/3) - external |
J3 |
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25-pin parallel port (LPT1/2) - external |
J4 |
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34-pin control cable connector - floppy drive |
J5 |
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2-pin connector - Drive active LED |
LED |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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250KB/sec floppy drives supported |
J6 |
open | |
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300KB/sec floppy drives supported |
J6 |
closed | |
| » |
Hard drive Interrupt is IRQ14 |
J9 |
pins 1 & 2 closed |
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Hard drive Interrupt is disabled |
J9 |
pins 2 & 3 closed | |
| » |
I/O Channel Ready signal disabled |
JP1 |
open |
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I/O Channel Ready signal enabled |
JP1 |
closed | |
| » |
Floppy drive enabled |
JP3 |
closed |
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Floppy drive disabled |
JP3 |
open | |
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SERIAL PORT 1 (J3) CONFIGURATION - JP2 | |||
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J3 |
Jumper 1 |
Jumper 2 |
Jumper 3 |
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IRQ4 |
closed |
open |
open |
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IRQ5 |
open |
closed |
open |
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IRQ9 |
open |
open |
closed |
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SERIAL PORT 2 (J2) CONFIGURATION - JP2 | |||
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J2 |
Jumper 4 |
Jumper 5 |
Jumper 6 |
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IRQ3 |
closed |
open |
open |
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IRQ9 |
open |
closed |
open |
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IRQ5 |
open |
open |
closed |
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PARALLEL PORT (J4) CONFIGURATION - JP2 | ||
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J4 |
Jumper 7 |
Jumper 8 |
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IRQ5 |
closed |
open |
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IRQ7 |
open |
closed |
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SERIAL PORT 1 (J3) CONFIGURATION - JP6 | ||
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J3 |
Jumper 1 |
Jumper 3 |
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3F8h |
closed |
open |
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3E8f |
open |
closed |
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SERIAL PORT 2 (J2) CONFIGURATION - JP6 | ||
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J2 |
Jumper 2 |
Jumper 4 |
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2F8h |
closed |
open |
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2E8h |
open |
closed |
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PARALLEL PORT (J4) CONFIGURATION - JP6 | ||
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J4 |
Jumper 5 |
Jumper 6 |
|
378h |
closed |
open |
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278h |
open |
closed |