Need help identifying what grapics card I can upgrade from the mobo standard vga .. I have this mobo to work with http://support.lenovo.com/en_US/detail.page?LegacyDocID=MIGR-68841 ........... What is a half-length, low profile-height, PCI Express x16 ? I found some x1 cards that are half length but not x16,, looking for hdmi, can someone help I'm confused.