UNIDENTIFIED
L20E
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Data bus: |
32-bit, VL-bus |
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Size: |
Three/quarter-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 - port 1 |
CN1 |
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4-pin connector - drive active LED |
CN2 |
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VESA-feature connector |
CN3 |
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10-pin serial port 1 |
CN4 |
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10-pin serial port 2 |
CN5 |
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4-pin connector - drive active LED |
J5 |
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15-pin analog video port |
J8 |
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25-pin parallel port |
J21 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
| » |
Factory configured - do not alter |
JP1 |
N/A |
| » |
VGA IRQ9 enabled |
JP2 |
Closed |
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VGA IRQ9 disabled |
JP2 |
Open | |
| » |
Floppy drive enabled |
J14 |
Pins 1 & 2 closed |
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Floppy drive disabled |
J14 |
Pins 2 & 3 closed | |
| » |
Factory configured - do not alter |
J16 |
Pins 1 & 2 closed |
| » |
Parallel port uses IRQ7 |
J17 |
Pins 2 & 3 closed |
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Parallel port uses IRQ5 |
J17 |
Pins 1 & 2 closed | |
| » |
Video port enabled |
J22 |
Pins 1 & 2 closed |
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Video port disabled |
J22 |
Pins 2 & 3 closed | |
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UARTS | |||||
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UART 1 |
UART 2 |
J9 |
J10 |
J11 | |
| » |
Enabled |
Enabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
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Enabled |
Disabled |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
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Controls Port 2 |
Controls Port 1 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
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Disabled |
Controls Port 1 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
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Disabled |
Enabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
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Controls Port 2 |
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
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Disabled |
Disabled |
N/A |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
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SERIAL PORTS 1 & 2 CONFIGURATIONS | ||||
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Port 1 |
Port 2 |
J19 |
J20 | |
| » |
COM1 |
COM2 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
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COM1 |
COM4 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
COM2 |
COM3 |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
COM3 |
COM4 |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
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PARALLEL PORT CONFIGURATION | |||
|
LPT |
J12 |
J13 | |
| » |
LPT1 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
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LPT2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
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LPT3 |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
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Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
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HARD DRIVE | |||
|
Setting |
J15 |
J18 | |
| » |
HDD enabled |
Closed |
Closed |
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HDD disabled |
Open |
Open | |