Re: No SATA III on fitPC3
Posted: Sat Sep 29, 2012 9:36 am
One thing to note about mSATA devices from a hardware point of view,
is that the SATA controller may be I, II or III but the PCIe/mSATA switch
device may not be capable of higher performance. Meaning, their is an
IC electronic switch between the PCIe/mSATA socket and the 2 controllers,
(PCIe & SATA).
So your tests getting SATA II speeds, (3Gbps), sound reasonable. But
unless the electronic switch works at 6Gbps speed, you may not get it to
work at SATA III speeds, (6Gbps).
I did some research on mSATA, (as that would be my preferred OS disk
when I get a fit-PC3), and the Wikipedia article is pretty decent;
http://en.wikipedia.org/wiki/MSATA#mSATA
http://www.nxp.com/documents/applicatio ... N11001.pdf
is that the SATA controller may be I, II or III but the PCIe/mSATA switch
device may not be capable of higher performance. Meaning, their is an
IC electronic switch between the PCIe/mSATA socket and the 2 controllers,
(PCIe & SATA).
So your tests getting SATA II speeds, (3Gbps), sound reasonable. But
unless the electronic switch works at 6Gbps speed, you may not get it to
work at SATA III speeds, (6Gbps).
I did some research on mSATA, (as that would be my preferred OS disk
when I get a fit-PC3), and the Wikipedia article is pretty decent;
http://en.wikipedia.org/wiki/MSATA#mSATA
http://www.nxp.com/documents/applicatio ... N11001.pdf