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. |