MODULAR CIRCUIT TECHNOLOGY
MCT-VIO
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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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9-pin serial port - external |
CN1 |
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25-pin parallel port - external |
CN2 |
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40-pin IDE (AT) Interface connector |
JP4 |
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34-pin control cable connector - floppy drive |
JP6 |
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10-pin serial port - internal |
JP8 |
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16-pin game port - internal |
JP9 |
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4-pin connector - drive active LED |
JP20 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Floppy drive enable |
J1 |
pins 2 & 3 closed | |
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Floppy drive disable |
J1 |
pins 1 & 2 closed | |
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IDE address is 1F0-1F7 |
J2 |
pins 2 & 3 closed | |
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IDE address is 170-177 |
J2 |
pins 1 & 2 closed | |
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Floppy drive designation normal |
J3 |
pins 2 & 3 closed | |
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Floppy drive designation change |
J3 |
pins 1 & 2 closed | |
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IDE controller enable |
J4 |
pins 2 & 3 closed | |
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IDE controller disable |
J4 |
pins 1 & 2 closed | |
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IDE I/O address is 1F0-1F7, 3F0-3F7 |
J5 |
pins 2 & 3 closed | |
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IDE I/O address is 170-177, 370-377 |
J5 |
pins 1 & 2 closed | |
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Game port enable |
J12 |
pins 2 & 3 closed | |
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Game port disable |
J12 |
Pins 1 & 2 closed | |
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1 IDE drive installed |
JP5 |
closed | |
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2 IDE drives installed (master/slave) |
JP5 |
open | |
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Printer port as bi-directional |
JP7 |
closed | |
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Printer port as uni-directional |
JP7 |
open | |
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IDE(AT) interrupt select IRQ 14 |
JP10 |
closed | |
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IRQ 14 disabled |
JP10 |
open | |
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COM2 or COM4 interrupt select IRQ 3 |
JP11 |
closed | |
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IRQ 3 disabled |
JP11 |
open | |
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COM1 or COM3 interrupt select IRQ 4 |
JP12 |
closed | |
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IRQ 4 disabled |
JP12 |
open | |
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FDC interrupt select IRQ 6 |
JP13 |
closed | |
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IRQ 6 disabled |
JP13 |
open | |
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IRQ 5 disabled |
JP14 |
open | |
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LPT interrupt select IRQ 5 |
JP14 |
closed | |
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LPT interrupt select IRQ 7 |
JP15 |
closed | |
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IRQ 7 disabled |
JP15 |
open | |
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Factory configured - do not alter |
JP16 |
N/A | |
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Factory configured - do not alter |
JP18 |
N/A | |
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PARALLEL PORT CONFIGURATION | |||
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LPT |
J6 |
J7 | |
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LPT1 (378-37F) |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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LPT2 (278-27F) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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LPT3 (3BC-3BE) |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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Disabled |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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SERIAL PORT 1 CONFIGURATION | |||
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COM |
J8 |
J9 | |
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COM1 (3F8-3FF) |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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COM3 (3E8-3EF) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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COM4 (2E8-2EF) |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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Disabled |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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SERIAL PORT 2 CONFIGURATION | |||
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COM |
J10 |
J11 | |
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COM2 (2F8-2FF) |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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COM4 (2E8-2EF) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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COM3 (3E8-3EF) |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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Disable |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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VESA /ISA CONFIGURATION | |||
|
Mode |
J15 |
JP17 | |
|
VESA |
pins 2 & 3 closed |
open | |
|
ISA |
pins 1 & 2 closed |
closed | |
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IDE WAIT STATE CONTROL | |||
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IDE Wait State Control |
J16 |
J17 | |
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50MHz VL bus clock |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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25MHz VL bus clock |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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33MHz VL bus clock |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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40MHz VL bus clock |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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MISCELLANEOUS TECHNICAL NOTES |
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50MHz is not part of the VESA standard and may not be compatible with some systems. |