SONY CORPORATION
CDU-31A ADAPTER BOARD
| 
 Card Type  | 
 CD-ROM drive controller card  | 
| 
 Chipset  | 
 Unidentified  | 
| 
 Maximum onboard memory  | 
 Unidentified  | 
| 
 I/O options  | 
 CD-ROM audio in, line out  | 
| 
 Hard Drives supported  | 
 None  | 
| 
 Floppy drives supported  | 
 None  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Card Size  | 
 Half-length, full-height card  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Location  | 
 Function  | 
 Location  | 
| 
 34-pin proprietary CD-ROM interface - internal  | 
 CN1  | 
 Line out  | 
 CN3  | 
| 
 Audio in - CD-ROM  | 
 CN2  | 
 50-pin proprietary CD-ROM connector - external  | 
 CN4  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| » | 
 Factory configured - do not alter  | 
 JP1/C  | 
 Reserved  | 
| » | 
 Factory configured - do not alter  | 
 JP1/D  | 
 Reserved  | 
| » | 
 Factory configured - do not alter  | 
 JP2/D  | 
 Reserved  | 
| » | 
 Factory configured - do not alter  | 
 JP3/D  | 
 Reserved  | 
| 
 DMA CHANNEL SELECTION  | ||||||
| 
 Channel  | 
 JP2/A  | 
 JP2/B  | 
 JP2/C  | 
 JP3/A  | 
 JP3/B  | 
 JP3/C  | 
| 
 1  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 2  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 3  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 JP4/A  | 
 JP4/B  | 
 JP4/C  | 
 JP4/D  | 
| 
 3  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 4  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 5  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 6  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 BASE I/O ADDRESS SELECTION  | ||
| 
 Address  | 
 JP1/A  | 
 JP1/B  | 
| 
 320h  | 
 Closed  | 
 Closed  | 
| 
 330h  | 
 Closed  | 
 Open  | 
| 
 340h  | 
 Open  | 
 Closed  | 
| 
 360h  | 
 Open  | 
 Open  |