List the x58 you know the status of "Turbo Throttling" (TH).
I'll start the mobo I have used.
EVGA Classified E760, no TH, S3 works
ASUS P6TD-V2, yes TH, S3 no working
MSI x58 Plat, yes TH, S3 no working
MSI x58 Eclipse, yes TH, S3, no working
MSI x58M, yes TH, S3 no working
Gigabyte...