Question about Sandy Bridge SATA Ports - MBP 15"

[ghsDUDE]

Ok, so I remember when Sandy Bridge came out there were problems and 2 ports (out of the 6) worked correctly.

Now I don't fully understand this but correct me if I'm wrong.

The ODD and HDD use the two working ports (so no problem there.)

But if you were to use the other 4 ports it could cause the failure problem?

So if I connect my External Hard Drive thru the USB for Time Machine does that use one of the bad SATA ports?

 

[fat jez]

So if I connect my External Hard Drive thru the USB for Time Machine does that use one of the bad SATA ports?

No. You are using a SATA to USB bridge in your external enclosure and from that point on, it remains USB. In other words, you are not connected to a SATA port in your Macbook Pro (of which there are only two).

 

[vasir]

USB bridge should not be an issue. Sandybridge did not have the problem and the issue was with PCH B2 stepping which apple did not use in its current line of hardware. The SATA issue has been fixed in B3 stepping. In other words ... dont worry 🙂