Lenovo has released the Windows 7 drivers for my built in Ericsson F3507g Mobile Broadband card at
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-73681 There was on issue with the process, I needed to reinstall the program used to power on and off the card which was found at
http://www-307.ibm.com/pc/support/site.wss/MIGR-68000.html
This was the only think that was keeping my X200 tablet from being 100% perfect under windows 7 x64 bit.
Labels: Win7, x200