TANDY/RADIO SHACK

CDR-1501 INTERFACE BOARD

Card Type

CD-ROM Interface card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Audio in – CD-ROM, 40-pin CD-ROM interface, Line in

Data Bus

8-bit ISA

Card Size

Half-length, full-height

.

CONNECTIONS

Function

Label

Function

Label

CD-ROM interface

CN1

Line out - Right

CN3

Line out - Left

CN2

Audio in – CD-ROM

CNJ1


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP2

Unidentified


DMA CHANNEL SELECTION

Channel

JP3/A

JP3/B

JP3/C

JP3/D

JP3/E

JP3/F

 

DRQ 1

Closed

Open

Open

Open

Open

Open

 

DACK 1

Open

Closed

Open

Open

Open

Open

 

DRQ 2

Open

Open

Closed

Open

Open

Open

 

DACK 2

Open

Open

Open

Closed

Open

Open

 

DRQ 3

Open

Open

Open

Open

Closed

Open

 

DACK 3

Open

Open

Open

Open

Open

Closed

»

Software

Open

Open

Open

Open

Open

Open


BASE I/O ADDRESS SELECTION

Settings

JP1/A

JP1/B

JP1/C

JP1/D

JP1/E

JP1/F

 

300h

Open

Open

Open

Open

Open

Open

 

310h

Open

Open

Closed

Open

Open

Open

 

320h

Open

Open

Open

Closed

Open

Open

 

330h

Open

Open

Closed

Closed

Open

Open

»

340h

Open

Open

Open

Open

Closed

Open

 

350h

Open

Open

Closed

Open

Closed

Open

 

360h

Open

Open

Open

Closed

Closed

Open

 

370h

Open

Open

Closed

Closed

Closed

Open

 

380h

Open

Open

Open

Open

Open

Closed

 

390h

Open

Open

Closed

Open

Open

Closed