MODULAR CIRCUIT TECHNOLOGY
MCT-VIO+
| |
Data bus: |
32-bit VL-bus |
Size: |
Three-quarter length, half-height card |
Hard drive supported: |
Four IDE(AT) drives |
Floppy drives supported: |
Four 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB drives |
CONNECTIONS | |
Function |
Location |
34-pin control cable connector - primary floppy drive |
CN1 |
25-pin parallel port - external |
CN2 |
40-pin IDE(AT) Interface connector - primary drive |
CN3 |
4-pin connector - primary IDE drive active LED |
CN4 |
10-pin serial port 2 - internal |
CN5 |
9-pin serial port 1 - external/10-pin serial port 1 internal |
CN6 |
40-pin IDE (AT) Interface connector - secondary drive |
CN7 |
4-pin connector - secondary drive active LED |
CN8 |
34-pin control cable connector - secondary floppy drive |
CN9 |
16-pin game port - internal |
CN10 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
IOCHRDY signal disabled |
J7 |
Open |
IOCHRDY signal enabled |
J7 |
Closed | |
» |
Floppy drive enable |
J8 |
Pins 2 & 3 closed |
Floppy drive disable |
J8 |
Pins 1 & 2 closed | |
» |
Floppy drive normal compatible mode enabled |
J16 |
Pins 2 & 3 closed |
Floppy drive enhanced mode enabled |
J16 |
Pins 1 & 2 closed | |
» |
IDE(AT) interface enabled |
J17 |
Pins 2 & 3 closed |
IDE(AT) interface disabled |
J17 |
Pins 1 & 2 closed | |
» |
Floppy drive I/O address is 3F0h |
J26 |
Pins 2 & 3 closed |
Floppy drive I/O address is 370h |
J26 |
pins 1 & 2 closed | |
» |
Game port enable |
J37 |
Closed |
Game port disable |
J37 |
Open |
IDE CHANNEL AND ADDRESS CONFIGURATION | |||
Setting |
J18 |
J19 | |
Primary and secondary channels enabled |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
Primary channel only enabled (170h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
» |
Primary channel only enabled (1F0h) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
IDE WAIT STATE FOR VL-BUS CLOCK | ||||
Setting |
J20 |
J21 |
J22 | |
» |
General setting for all VL bus clocks |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
<= 33 MHz VL bus clock |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
> 33 MHz VL bus clock |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
FLOPPY CHANNEL CONFIGURATION | ||||
Setting |
J4 |
J5 |
J6 | |
Primary and secondary channels enabled |
Closed |
Closed |
Closed | |
» |
Primary channel enabled |
Open |
Open |
Open |
Note: The primary and secondary option is invalid with ECP mode. |
PARALLEL PORT CONFIGURATION | |||
LPT |
J9 |
J27 | |
» |
LPT1 (378h) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
LPT2 (278h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
LPT3 (3BCh) |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
Disabled |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
SERIAL PORT 1 CONFIGURATION | |||
COM |
J10 |
J11 | |
» |
COM1 (3F8h) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
COM2 (2F8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
COM3 (3E8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
SERIAL PORT 2 CONFIGURATION | |||
COM |
J12 |
J13 | |
» |
COM2 (2F8h) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
COM1 (3F8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
COM4 (2E8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
Disable |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
PARALLEL PORT MODE CONFIGURATION | |||
Mode |
J28 |
J29 | |
» |
Printer |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
EPP & Printer |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
ECP |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
EPP & ECP |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
ECP DMA SELECTION | |||||
Channel |
J38 |
J39 |
J40 |
J41 |
J42 |
DMA 1 |
Closed |
Open |
Open |
Closed |
Closed |
DMA 3 |
Closed |
Closed |
Closed |
Open |
Open |
Disabled |
Open |
Open |
Open |
Open |
Open |
SERIAL PORT INTERRUPT SELECTION | ||||||
Serial Port 1 |
Serial Port 2 |
J32 |
J33 |
J34 |
J35 | |
No Interrupt |
No Interrupt |
Open |
Open |
Open |
Open | |
No Interrupt |
IRQ 3 |
Open |
Closed |
Open |
Open | |
No Interrupt |
IRQ 4 |
Open |
J33/pin 1 to J34/pin 1 |
Open | ||
No Interrupt |
IRQ 5 |
J32/pin 1 to J33/pin 1 |
Open |
Open | ||
IRQ 3 |
No Interrupt |
Open |
J33/pin 2 to J34/pin 2 |
Open | ||
» |
IRQ3 |
IRQ 4 |
Open |
J33/pin 1 to J34/pin 1 J33/pin 2 to J34/pin 2 |
Open | |
IRQ3 |
IRQ5 |
J32/pin 1 to J33/pin1 J33/pin 2 to J34/pin 2 |
Open | |||
IRQ4 |
No Interrupt |
Open |
Open |
Closed |
Open | |
IRQ4 |
IRQ3 |
Open |
Closed |
Closed |
Open | |
IRQ4 |
IRQ5 |
J32/pin 1 to J33/pin 1 |
Closed |
Open | ||
IRQ5 |
No Interrupt |
Open |
Open |
J34/pin 2 to J35/pin 2 | ||
IRQ5 |
IRQ3 |
Open |
Closed |
J34/pin 2 to J35/pin 2 | ||
IRQ5 |
IRQ4 |
Open |
J33/pin 1 to J34/pin 1 J34/pin 2 to P35/pin 2 |
PARALLEL PORT INTERRUPT SELECTION | |||
IRQ |
J35 |
J36 | |
IRQ5 |
Closed |
Open | |
» |
IRQ7 |
Open |
Closed |
No Interrupt |
Open |
Open |
MISCELLANEOUS TECHNICAL NOTES |
Jumper J35 serves multiple functions so it appears in both serial port and parallel port interrupt selection tables. |