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

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