This was hashed a bit with no big revelations a few years ago. Check the archives, March 2010, subject "PCI Express AC Coupling". Maybe other times too. Still interested in ideas about the subject. Regards, Ivor On 10/3/2014 5:41 PM, Joel Brown wrote: > I had a system that had two AC coupling caps at both the transmitter and > receiver, so a section of the line was floating as far as DC goes. I was > having some problems so I replaced one of the caps with a short and think > it helped. I have run into that situation again and wondering if having a > part of the SATA line floating w.r.t. DC can be a problem. Seems to me it > could. > Thanks - Joel > > > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > > List forum is accessible at: > http://tech.groups.yahoo.com/group/si-list > > List archives are viewable at: > //www.freelists.org/archives/si-list > > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > > > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List forum is accessible at: http://tech.groups.yahoo.com/group/si-list List archives are viewable at: //www.freelists.org/archives/si-list Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu