MODULAR CIRCUIT TECHNOLOGY
MCT-IDEIO+
| 
 Data bus:  | 
 16-bit ISA  | 
| 
 Size:  | 
 Three--quarter length, full-height card  | 
| 
 Hard drive supported:  | 
 Two IDE (AT) interface drives  | 
| 
 Floppy drives supported:  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB drives  | 

| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 9-pin connector - serial port 1 - external  | 
 CN1  | 
| 
 25-pin connector - parallel port  | 
 CN2  | 
| 
 2-pin connector - drive active LED  | 
 J1  | 
| 
 34-pin connector - floppy drive interface  | 
 J2  | 
| 
 16-pin connector - game port  | 
 J3  | 
| 
 10-pin connector - serial port 2 - internal  | 
 J4  | 
| 
 40-pin connector - IDE(AT) interface  | 
 J5  | 
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Function  | 
 Location  | 
 Setting  | 
| 
 » UART clock speed 1.8432MHZ select  | 
 JP2  | 
 Pins 2 & 3 closed  | 
| 
 UART clock speed 7.3728MHz select  | 
 JP2  | 
 Pins 1 & 2 closed  | 
| 
 » IDE(AT) interface enabled  | 
 JP3/A  | 
 Closed  | 
| 
 IDE(AT) interface disabled  | 
 JP3/A  | 
 Open  | 
| 
 » Floppy drive interface enabled  | 
 JP3/B  | 
 Closed  | 
| 
 Floppy drive interface disabled  | 
 JP3/B  | 
 Open  | 
| 
 » Game port enabled  | 
 JP3/C  | 
 Closed  | 
| 
 Game port disabled  | 
 JP3/C  | 
 Open  | 
| 
 » Parallel port is uni-directional  | 
 JP6  | 
 Closed  | 
| 
 Parallel port is bi-directional  | 
 JP6  | 
 Open  | 
| 
 PARALLEL PORT CONFIGURATION  | ||
| 
 LPT  | 
 JP3/D  | 
 JP3/E  | 
| 
 » LPT1  | 
 Closed  | 
 Open  | 
| 
 LPT2  | 
 Open  | 
 Closed  | 
| 
 Disabled  | 
 Open  | 
 Open  | 
| 
 PARALLEL PORT INTERRUPT SELECTION  | ||
| 
 IRQ  | 
 JP4/A  | 
 JP4/B  | 
| 
 » IRQ7  | 
 Closed  | 
 Open  | 
| 
 IRQ5  | 
 Open  | 
 Closed  | 
| 
 PRIMARY SERIAL PORT CONFIGURATION  | ||||
| 
 COM  | 
 JP3/J  | 
 JP3/K  | 
 JP3/L  | 
 JP3/M  | 
| 
 » COM1  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 COM2  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 COM3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 COM4  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 SECONDARY SERIAL PORT CONFIGURATION  | ||||
| 
 COM  | 
 JP3/F  | 
 JP3/G  | 
 JP3/H  | 
 JP3/I  | 
| 
 » COM2  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 COM1  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 COM3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 COM4  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 PRIMARY SERIAL PORT INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 JP4/G  | 
 JP4/H  | 
 JP4/I  | 
 JP4/J  | 
| 
 » IRQ4  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ2  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 IRQ3  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 SECONDARY SERIAL PORT INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 JP4/C  | 
 JP4/D  | 
 JP4/E  | 
 JP4/F  | 
| 
 » IRQ3  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ2  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 IRQ4  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 SERIAL PORT DMA CONFIGURATION  | ||
| 
 Setting  | 
 JP1/A  | 
 JP1/B  | 
| 
 » DMA disabled  | 
 Open  | 
 Open  | 
| 
 Primary port DMA enabled  | 
 Closed  | 
 Open  | 
| 
 Secondary port DMA enabled  | 
 Open  | 
 Closed  | 
| 
 Both ports DMA enabled  | 
 Closed  | 
 Closed  | 
| 
 PRIMARY SERIAL PORT DMA SELECTION  | ||
| 
 DMA  | 
 Mode  | 
 JP5  | 
| 
 » 1  | 
 Receive  | 
 Pins 3 & 4, 7 & 8 closed  | 
| 
 3  | 
 Transmit  | 
 Pins 1 & 2, 5 & 6 closed  | 
| 
 SECONDARY SERIAL PORT DMA SELECTION  | ||
| 
 DMA  | 
 Mode  | 
 JP5  | 
| 
 » 3  | 
 Receive  | 
 Pins 10 & 12, 13 & 14 closed  | 
| 
 1  | 
 Transmit  | 
 Pins 9 & 11, 15 & 16 closed  |