SONY CORPORATION

OPA-4741

Card Type

CD-ROM interface card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

IDE interface, audio in - CD-ROM, headphone jack

Hard Drives supported

None

Floppy drives supported

None

Data Bus

8-bit ISA

Card Size

Half-length

CONNECTIONS

Function

Label

Function

Label

IDE interface - internal

CN1

Headphone jack

CN3

Audio in - CD-ROM

CN2

IDE interface - external

CN4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP1/C

Unidentified

»

Factory configured - do not alter

JP1/C

Unidentified

»

Factory configured - do not alter

JP2/D

Unidentified

»

Factory configured - do not alter

JP3/D

Unidentified

»

Factory configured - do not alter (IRQ interrupt - not used)

JP4/A

Unidentified

»

Factory configured - do not alter (IRQ interrupt - not used)

JP4/B

Unidentified

»

Factory configured - do not alter (IRQ interrupt - not used)

JP4/C

Unidentified

»

Factory configured - do not alter (IRQ interrupt - not used)

JP4/D

Unidentified

DMA CHANNEL SELECTION

Channel

JP2/A

JP2/B

JP2/C

JP3/A

JP3/B

JP3/C

 

1

Closed

Open

Open

Closed

Open

Open

 

2

Open

Closed

Open

Open

Closed

Open

»

3

Open

Open

Closed

Open

Open

Closed

BASE I/O ADDRESS SELECTION

Setting

JP1/A

JP1/B

 

320h

Closed

Closed

 

330h

Closed

Open

»

340h

Open

Closed

 

360h

Open

Open

MISCELLANEOUS TECHNICAL NOTES

OPA-4741 Sony CD-ROM interface kit is compatible with Sony CDU 31A and Sony CDU 33A CD-ROM drives.

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