INFORMTECH INTERNATIONAL, INC.
UN-1075
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Data bus:
16-bit, ISASize:
Half-length, half-height cardHard drives supported:
Two IDE (AT) Interface drivesFloppy drives supported:
Two 360KB, 720KB, 1.2MB, or 1.44MB drives
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CONNECTIONS | |
|
Function |
Location |
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40-pin IDE (AT) Interface connector - internal |
JP1 |
|
16-pin game port |
JP2 |
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10-pin serial port 1 connector - internal |
JP3 |
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10-pin serial port 2 connector - external |
JP4 |
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34-pin floppy drive connector - internal |
JP5 |
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HDD LED connector |
JP8 |
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DB-25 parallel port connector - external |
JP15 |
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USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
| » |
IDEIOR path = ATBUS IOR |
J1 |
Pins 2 & 3 closed |
|
IDEIOR path = W83758P - IOROP |
J1 |
Pins 1 & 2 closed | |
| » |
IDEIOW path = ATBUS IOW |
J2 |
Pins 2 & 3 closed |
|
IDEIOW path = W83758P - IOWOP |
J2 |
Pins 1 & 2 closed | |
| » |
Floppy drive A & B normal mode |
JP6/1 |
Pins 1 & 2 closed |
|
Floppy drive A & B change mode |
JP6/1 |
Pins 2 & 3 closed | |
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USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
| » |
Floppy drive address = 3F0h - 3F7h |
JP6/2 |
Pins 2 & 3 closed |
|
Floppy drive address = 370h - 377h |
JP6/2 |
Pins 1 & 2 closed | |
| » |
IDE bus enabled |
JP6/3 |
Pins 1 & 2 closed |
|
IDE bus disabled |
JP6/3 |
Pins 2 & 3 closed | |
| » |
HDD address = 3F6h, 3F7h, 1F0h - 1F7h |
JP6/4 |
Pins 2 & 3 closed |
|
HDD address = 376h, 377h, 170h - 177h |
JP6/4 |
Pins 1 & 2 closed | |
| » |
Floppy drive controller enabled |
JP6/5 |
Pins 1 & 2 closed |
|
Floppy drive controller disabled |
JP6/5 |
Pins 2 & 3 closed | |
| » |
Game port enabled |
JP16 |
Closed |
|
Game port disabled |
JP16 |
Open | |
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SERIAL PORT 1 (JP3) CONFIGURATION | |||
|
COM/Address |
JP9/1 |
JP9/2 | |
| » |
COM1/3F8h |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
COM3/3E8h |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
COM4/2E8h |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
SERIAL PORT 1 INTERRUPT SELECTION | ||||
|
IRQ |
JP12/1 |
JP12/2 |
JP12/3 | |
| » |
IRQ4 |
Closed |
Open |
Open |
|
IRQ3 |
Open |
Closed |
Open | |
|
IRQ5 |
Open |
Open |
Closed | |
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SERIAL PORT 2 (JP4) CONFIGURATION | |||
|
COM/Address |
JP9/3 |
JP9/4 | |
| » |
COM2/2F8h |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
COM3/3E8h |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
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COM4/2E8h |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
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SERIAL PORT 2 INTERRUPT SELECTION | ||||
|
IRQ |
JP12/4 |
JP12/5 |
JP12/6 | |
| » |
IRQ3 |
Closed |
Open |
Open |
|
IRQ4 |
Open |
Closed |
Open | |
|
IRQ5 |
Open |
Open |
Closed | |
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PARALLEL PORT (JP15) CONFIGURATION | |||
|
LPT/Address |
JP9/5 |
JP9/6 | |
| » |
LPT1/378h |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
LPT2/278h |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
LPT3/38Ch |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
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PARALLEL PORT INTERRUPT SELECTION | |||
|
IRQ |
JP12/7 |
JP12/8 | |
| » |
IRQ7 |
Closed |
Open |
|
IRQ5 |
Open |
Closed | |
