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IDE FLOPPY/HARD DISK CONTROLLER (MODEL 1120)

JC INFORMATION SYSTEMS CORPORATION

IDE FLOPPY/HARD DISK CONTROLLER (MODEL 1120)

Data bus:

16-bit ISA

Size:

Half-length, full-hieght card

Hard drive supported:

Two IDE (AT) interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

40-pin IDE (AT) interface connector

CN1

34-pin control cable connector - floppy drive

CN2

25-pin parallel port - external

JP1

9-pin serial port 1 - external

JS1

10-pin serial port 2 - internal

JS2

4pin connector - drive active LED

LED1

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Parallel port is LPT2

J1/pins 1 & 2

closed

Parallel port is LPT1

J1/pins 2 & 3

closed

Serial port 1 is COM2

J1/pins 4 & 5

closed

Serial port 1 is COM1

J1/pins 5 & 6

closed

Serial port 2 is COM2

J1/pins 7 & 8

closed

Serial port 2 is COM1

J1/pins 8 & 9

closed

Parallel port IRQ5 select

J2/pins 1 & 2

closed

Parallel port IRQ7 select

J2/pins 2 & 3

closed

Serial port 1 IRQ3 select

J2/pins 4 & 5

closed

Serial port 1 IRQ4 select

J2/pins 5 & 6

closed

Serial port 2 IRQ3 select

J2/pins 7 & 8

closed

Serial port 2 IRQ4 select

J2/pins 8 & 9

closed