BOCA RESEARCH, INC.

IDE CONTROLLER (VER. 2)

Data bus:

16-bit ISA

Size:

Half-length, half-height card

H ard drive supported:

Two IDE(AT) interface drives

Floppy drives supported:

360KB, 720KB, 1.2MB, 1.44MB

CONNECTIONS

Function

Location

40-pin IDE(AT) interface connector

J1

34-pin data cable connector - floppy drive

J2

4-pin connector - drive active LED

J3

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Hard drive attached to IDE controller is primary drive

J4/A

pins 2 & 3 closed

 

Hard drive attached to IDE controller is alternate drive

J4/A

pins 1 & 2 closed

»

IDE interface interrupt IRQ14 select

J4/B

pins 2 & 3 closed

 

IDE interface interrupt IRQ15 select

J4/B

pins 1 & 2 closed

»

IDE interface enabled

J4/C

pins 2 & 3 closed

 

IDE interface disabled

J4/C

pins 1 & 2 closed

»

Floppy drive interface enabled

J4/D

pins 2 & 3 closed

 

Floppy drive interface disabled

J4/D

pins 1 & 2 closed