Hi All, I am looking for suggestions for our PCB which has high speed interfaces like SERDES /DDR2/GIGA BIT Ethernet.The current stackup is given below. Top GND SIG1 - SERDES / DDR2/High Speed Signals SIG2 - DDR2 POWER1 GND SIG3 - DDR2 SIG4 - SERDES / DDR2/High SpeedSignals POWER2 BOT PLease let me know your comments or suggestion regarding the same. Thank you in advance! Regards Prasanth ------------------------------------------------------------------ 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