Can you give me a bit more info. Soundblaster 16 cards were first made in 1992 and there have been many versions since. Most of these are not supported in Vista and therefore Windows 7
Norm
My Computer
Computer Manufacturer/Model Number
Self Built
OS
Vista X32. Windows 7 32bit
CPU
Intel Quad Core 6600
Motherboard
Asus P5B
Memory
4096 MB Xtreme-Dark 800mhz
Graphics Card(s)
Zotac Amp Edition 8800GT - 512MB DDR3, O/C 700mhz
Monitor(s) Displays
Samsung 206BW
Screen Resolution
1680 X 1024
Hard Drives
4 X Samsung 500GB 7200rpm Serial ATA-II HDD w. 16MB Cache .
PSU
550 w
Case
Thermaltake
Cooling
3 x octua NF-S12-1200 - 120mm 1200RPM Sound Optimised Fans
Unless Windows 7 installs drivers for it or someone makes a hacked driver for it, I don't think you will get a SB16 to work in Windows 7. The X-Fi drivers for Vista are still a little wacky on some systems.