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ACD-ROM

ARCO COMPUTER PRODUCTS

ACD-ROM

Data Bus

32-bit VESA Local Bus

Card Size

Three-quarter length, half-height card

Hard Drives supported

Four IDE (AT) drives

Floppy drives supported

None

RAID levels supported

Two 360KB, 720KB, 1.2MB, 1.44MB or 2.88MB drives

CONNECTIONS

Function

Location

Function

Location

40-pin primary IDE(AT) connector

J1

25-pin parallel port - external

P2

40-pin secondary IDE(AT) connector

J2

34-pin cable connector - floppy drive

P3

2-pin connector - primary drive active LED

LED1

9-pin serial port 1 - external

P4

2-pin connector - mirror drive active LED

LED2

10-pin serial port 1 - internal

P5

USER CONFIGURABLE SETTINGS

Function

Label

Position

IDE(AT) interface enabled

JP1/pins 5 & 6

Open

 

IDE(AT) interface disabled

JP1/pins 5 & 6

Closed

IDE(AT) IRQ 14 select

JP2

Pins 1 & 2 closed

 

IDE(AT) IRQ 15 select

JP2

Pins 3 & 4 closed

Parallel port IRQ 7 select

JP5

Pins 1 & 2 closed

 

Parallel port IRQ 5 select

JP5

Pins 3 & 4 closed

Factory configured - do not alter

JP10

Reserved

IRQ AND SERIAL PORT ADDRESS SELECTION

Port

IRQ

JP6/pins 1 & 2

JP6/pins 3 & 4

COM1 (3F8h)

4

Closed

Open

COM2 (2F8h)

3

Open

Closed

BIOS SEGMENT ADDRESS CONFIGURATION

Segment Address

JP3/1

JP3/2

JP3/3

JP3/4

C800h-CBFFh

Closed

Open

Closed

Closed

 

CC00h-CEFFh

Closed

Open

Open

Closed

 

D000h-D3FFh

Open

Closed

Closed

Closed

 

D400h-D7EEh

Open

Closed

Open

Closed

 

D800h-DBFFh

Open

Open

Closed

Closed

 

DC00h-DEFFh

Open

Open

Open

Closed

 

Disabled

Open

Open

Open

Open

INTERNAL REGISTER SELECTION

Setting

JP1/pins 1 & 2

JP1/pins 3 & 4

Appian Chip AD4, AD8, ADC use internal register

Closed

Open

Appian Chip Dr, B8, BC use

internal register

Open

Open

DMA CHANNEL SELECTION

Channel

JP4

 

1

Pins 2 & 4, 3 & 5 closed

 

3

Pins 1 & 3, 4 & 6 closed

None

Open