On Thu, Jul 23, 2015 at 03:28:07PM -0400, Bryan J Smith wrote: > Lennart Sorensen wrote: > > I wonder how much confusion M.2 is going to cause given > > some devices are PCIe based and others are SATA based, > > and some boards only support one or the other, while many > > do support both. > > Very few issues with PCIe v. SATA when it comes to M.2. > > I.e., > - Virtually all M.2 notebooks have at least one (1), dual-keyed B-M socket > - Virtually all notebooks have all their M.2 B-M sockets wired to SATA > - Virtually all notebooks have at least one (1) M.2 B-M socket wired to PCIe > - Virtually all M.2 storage cards are also dual-keyed for B and M (x)
Well I have only really been looking at desktop systems. Looking at the Asus Z97 line for example, 10 variants do PCIe and SATA, 5 do only PCIe (one of which is PCIe x4). Quite a few M.2 cards are SATA only, and hence don't work on such a board that has onle PCIe of course. Supposedly with the latest UEFI version and a 'hyper kit' adapter, those PCIe enabled M.2 slots on the asus board also natively run NVMe with a mini SAS connector. -- Len Sorensen _______________________________________________ lpi-examdev mailing list [email protected] http://list.lpi.org/cgi-bin/mailman/listinfo/lpi-examdev
