Well right when i was about to lose my hope of using my SB audigy 2 sound card with win 7 64 U solved my problem. Now i have to see if i can use both Realtek and Creative sound cards at the same time.thank u!!!! Now i have only 2 problems -PCI Input Device;-RAID Controller, devices not installed .Any ideas?I tried DriverEasy it was helpful but those drivers i couldn't find. These are my MB specs:
CPU    
   1. LGA775 Intel® Pentium® D processor
   2. Supports 1066/800/533MHz FSB
      *Note: Rev 1.0 includes 2x2 pin ATX 12V power connector. Rev 1.1 includes 2x4 pin ATX 12V power connector for Intel Pentium D Extreme Edition processor power recommendation. 
Chipset    
   1. Northbridge: Intel® 955X Chipset
   2. Southbridge: Intel® ICH7R
   3. Silicon Image Sil3132 SATA II controller
   4. T.I IEEE1394b controller
   5. GigaRAID ITE8212 IDE RAID controller
   6. 2 x Broadcom 5751 Gigabit Ethernet controller
   7. Realtek ALC882M audio codec 
Memory    
   1. 4 DDR II DIMM memory slots (supports up to 8GB memory)
   2. Supports dual channel DDR II 888*/667/533/400 unbuffered DIMM
   3. Supports 1.8V DDR II DIMM
   4. Supports 72bit ECC type DRAM integrity mode 
*Note

DRII 888 support by FSB 1066 CPU
Internal I/O Connectors    
   1. 1 x U-Plus D.P.S connector
   2. 6 x Serial ATA II 3.0Gb/s connectors
   3. 1 x UDMA ATA 100/66/33 connectors
   4. 2 x UDMA ATA 133/100/66 connectors (For HDDs only)
   5. 1 x FDD connector
   6. 2 x IEEE1394b connectors (supports 3 ports)
   7. 2 x USB 2.0/1.1 connector (supports 4 ports)
   8. 3 x Cooling fan pin headers 
Expansion Slots    
   1. 1 PCI Express x 16 slot
   2. 2 PCI Express x 1 slots
   3. 3 PCI slots 
Back Panel Connectors    
   1. 4 x USB 2.0/1.1 ports
   2. 2 x RJ45 ports
   3. 6 x Audio ports (4 x Line-out/ 1 x Line-in/ 1 x MIC)
   4. 1 x Coaxial S/P-DIF out
   5. 1 x Optical S/P-DIF out
   6. PS/2 Keyboard/ Mouse
   7. 1 x COM port connector
   8. 1 x LPT port 
Form Factor    
   1. ATX form factor; 30.5cm x 24.4cm 
Other Features    
   1. U-Plus D.P.S
   2. DualBIOS
   3. C.I.A. 2
   4. M.I.B. 2
   5. R.G.B. 
Remark    
   1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.
   2. Most hardware/software vendors no longer offer support for Win9X/ME. If drivers are available from the vendors, we will update them on the GIGABYTE website.