according to your motherboard user manual (if you want to use hot-plug of the external sata ports ,you have to set the asmedia 1061 controllers item in the bios settings to enabled,if you want to use full function of the ASM1061 storage controller(ex.AHCI)we recommend that you set this item to (AHCI)and install ASM1061 controller driver from the mother support DVD )what you have to do
1)set ASM1061 to AHCI mode.
2)install ASM media drivers from support DVD.
3)install your HDD .
also sata3 won't make your HDDs faster at all ,the average read of WD 1TB black is 120mb\s ,and sata 2 isn't bottleneck for any HDD or SSD with average read less than 300mb\s which it's the maximum read/write speed for sata 2 but your SSD should be...