MEDIA VISION TECHNOLOGY, INC.
THUNDERBOARD (650-0007-03)
| 
 Card Type  | 
 Sound card  | 
| 
 Chip Set  | 
 Yamaha  | 
| 
 I/O Options  | 
 Game port, microphone jack, line out  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Game port  | 
 CN1  | 
 Line out  | 
 CN3  | 
| 
 Microphone jack  | 
 CN2  | 
 Volume control  | 
 VR1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| » | 
 Factory configured - do not alter  | 
 SW1/4  | 
 On  | 
| » | 
 Factory configured - do not alter  | 
 SW1/5  | 
 On  | 
| » | 
 Factory configured - do not alter  | 
 SW1/6  | 
 On  | 
| 
 I/O ADDRESS SELECTION  | ||||
| 
 Setting  | 
 SW1/3  | 
 SW1/2  | 
 SW1/1  | |
| 
 210  | 
 On  | 
 On  | 
 Off  | |
| » | 
 220  | 
 On  | 
 Off  | 
 On  | 
| 
 230  | 
 On  | 
 Off  | 
 Off  | |
| 
 240  | 
 Off  | 
 On  | 
 On  | |
| 
 250  | 
 Off  | 
 On  | 
 Off  | |
| 
 260  | 
 Off  | 
 Off  | 
 On  | |
| 
 INTERRUPT SELECTION  | |||||
| 
 Setting  | 
 J1/A  | 
 J1/B  | 
 J1/C  | 
 J1/D  | |
| 
 IRQ2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| » | 
 IRQ5  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 IRQ7  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 Note: IRQ5 is the default for Windows and IRQ7 is the default for DOS,  | |||||