DELL COMPUTER CORPORATION

IDE CONTROLLER REV. 1

Data bus:

16-bit, ISA

Size:

Half-length, half-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

34-pin control cable connector-floppy drive

CN1

40-pin AT Interface (IDE) connector

CN2

4-pin connector-Drive active LED

CN3

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Floppy drive enabled

JF1

open

 

Floppy drive disabled

JF1

closed

»

Hard drive enabled

JHD1 & JHD2

open

 

Hard drive disabled

JHD1 & JHD2

closed

»

Interrupt Request IRQ14 enabled

JIRQ

pins 1 & 2 closed

 

Interrupt Request IRQ14 disabled

JIRQ

pins 2 & 3 closed