Assim, o manual Intel 82801JI (Família ICH10) declara:
The ICH10 has two integrated SATA host controllers that support independent DMA operation on up to six ports and supports data transfer rates of up to 3.0 GB/s (300 MB/s). The SATA controller contains two modes of operation – a legacy mode using I/O space, and an AHCI mode using memory space. Software that uses legacy mode will not have AHCI capabilities.
The ICH10 supports the Serial ATA Specification, Revision 1.0a. The ICH10 also supports several optional sections of the Serial ATA II: Extensions to Serial ATA 1.0 Specification, Revision 1.0 (AHCI support is required for some elements).
3,0 GB / s é SATA II; por isso estou bastante confiante de que este chipset suporta SATA II.