I am having a scenario where I have Processor subsystem on main board and HDD on the mezzanine card. I cannot use SATA cable due to some real estate constraints. I considering the usage of 1.25 mm pitch board to board stack connector from samtec. Board-to-board stack height will be around 18mm. What best I can do is to do something like this kind of signal distribution in the connector. G G S- G G G G S+ G G What do you guys think? Will I see any major issue ? ------------------------------------------------------------------ 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 FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu