SATA signals and daughterboard

galapogos snipped-for-privacy@gmail.com posted to sci.electronics.design:

On the face of it, ide type connectors are for 100 MHz class signals, SATA is 1.5 or 3.0 GHz class. I would expect problems, they may be solvable or not.

Thanks. Any recommendations for board to board connectors for SATA signals then? I've read the SATA specs and they don't seem to have much information on PCB layout/routing/SI issues/etc.

galapogos snipped-for-privacy@gmail.com posted to sci.electronics.design:

transmission line impedance controlled conectors

Thanks. AFAIK SATA signals are LVDS signals with 100ohm termination resistors and a 250mV voltage. What does this means with respect to adding connectors in the signal's path? Does the connector and/or cable simply have to be 100ohms and rated for 3GHz for it to work?

galapogos snipped-for-privacy@gmail.com posted to sci.electronics.design:

The fine detail of correctly designing the connectors and cables is usually best left to the experts (i am not all that expert in such design, just good enough to reality check the things). I can check the basic design, spacing, shielding, dimensions, impedance discontinuities, etc.,