Thanks for your reply.
In drive properties it says 3.0Gb/s @ 1.5Gb/s
Under PCI Sata it says
Port #0 Gen
[email protected] Phy communication not established
Port #1 Gen
[email protected] Phy communication not established
I assume Port #0 is HD and Port #1 is DVD-ROM.
But why does it say 3.0Gb/s...