UNIDENTIFIED

AT BUS/FLOPPY DISK CONTROLLER

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

40-pin IDE (AT) interface connector

J1

34-pin control cable connector - floppy drive

J4

4-pin connector - drive active LED

J6

USER CONFIGURABLE SETTINGS

» Function

Location

Setting

»

IRQ14 enabled

J2/pins 2 & 3

closed

 

XIRQ14 enabled

J2/pins 1 & 2

closed

»

Factory configured - do not alter

J3

N/A

»

Factory setting

J7/pins 2 & 3

closed

 

Two speed spindle type drive

J7/pins 1 & 2

closed

»

Hard drive enabled

J8/pins 1 & 2

closed

 

Hard drive disabled

J8/pins 2 & 3

closed