My BIOS is set at S3 for the suspend mode. I'm currently using the most recent BIOS (FF). When I click SLEEP my PC shuts down completely and when restarting with power button I have to select "Start Windows Normally" because the system was shut down improperly.
My System Specs:
GA-X58A-UD3R(rev 2.0)
Intel i7-950
12GB of Kingston HyperX triple channel RAM @1800MHz
MSI N560GTX-TI Twin Frozr II/OC GeForce GTX 560 Ti (Fermi) 1GB
XFX Black Edition 750w modular PSU
Corsair H70
Crucial 128GB SSD
Samsung Spinpoint F3 1TB
ASUS optical drive