AQUARIUS SYSTEMS, INC.

AT BUS I/O

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

10-pin serial port 2 - internal

J2

9-pin serial port 1 - external

J3

25-pin parallel port - external

J4

34-pin cable connector - floppy drive

J5

2-pin connector - drive active LED

J10

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy transfer rate is 300 KB/s

J6

closed

Floppy transfer rate is 250 KB/s

J6

open

IOCHRDY signal enabled

JP1

closed

IOCHRDY signal disabled

JP1

open

Floppy drive interface enabled

JP3

closed

Floppy drive interface disabled

JP3

open

IDE(AT) interface IRQ14 enabled

J9

pins 1 & 2 closed

IDE(AT) interface disabled

J9

pins 2 & 3 closed

PARALLEL PORT ADDRESS SELECTION

LPT

JP6/5

JP6/6

LPT1 (378h)

closed

open

LPT2 (278h)

open

closed

SERIAL PORT 1 ADDRESS SELECTION

COM

JP6/1

JP6/3

COM1 (3F8h)

closed

open

COM1 (3E8h)

open

closed

SERIAL PORT 2 ADDRESS SELECTION

COM

JP6/2

JP6/4

COM2 (2F8h)

closed

open

COM2 (2E8h)

open

closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

JP2/1

JP2/2

JP2/3

IRQ4

closed

open

open

IRQ5

open

closed

open

IRQ9

open

open

closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

JP2/4

JP2/5

JP2/6

IRQ3

closed

open

open

IRQ5

open

open

closed

IRQ9

open

closed

open

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP2/7

JP2/8

IRQ5

closed

open

IRQ7

open

closed