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AT BUS I/O KARTE

AQUARIUS SYSTEMS, INC.

AT BUS I/O KARTE

Data bus:

16-bit ISA

Size:

Half-length, full-height card

Hard drive supported:

Two IDE(AT) drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

40-pin IDE(AT) connector

J1

34-pin cable connector - floppy drive

J5

10-pin serial port 2 - internal

CN1

9-pin serial port 1 - external

CN2

25-pin parallel port - external

CN3

2-pin connector - drive active LED

CN5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

IOCHRDY signal disabled

J2

open

IOCHRDY signal enabled

J2

closed

Floppy transfer rate is 300 KB/s

J3

closed

Floppy transfer rate is 250 KB/s

J3

open

Floppy drive interface enabled

J4

closed

Floppy drive interface disabled

J4

open

Parallel port address is 278h

J6

pins 1 & 2 closed

Parallel port address is 378h

J6

pins 2 & 3 closed

USER CONFIGURABLE SETTINGS CONTINUED

Function

Location

Setting

Serial Port I address is 3E8h

J7

pins 1 & 2 closed

Serial Port I address is 3F8h

J7

pins 2 & 3 closed

Serial Port I disabled

J7

open

Serial Port 2 address is 2E8h

J8

pins 1 & 2 closed

Serial Port 2 address is 2F8h

J8

pins 2 & 3 closed

Serial Port 2 disabled

J8

open

IDE(AT) interface enabled

J9

pins 1 & 2 closed

IDE(AT) interface disabled

J9

pins 2 & 3 closed

Parallel port IRQ 7 select

J10

pins 2 & 3 closed

Parallel port IRQ 5 select

J10

pins 1 & 2 closed