"In order to keep the case small they have put the PCI/AGP cards on their side using riser cards. We tried a few types of motherboard and some would fit both an AGP and PCI card, while some wouldn’t fit if you had to use the larger AGP riser. This meant you could only use one AGP card and no PCI. This is due to the location of the AGP slot. Once again, for most media PCs, this shouldn't be a issue."
FULL STORY @ SPODESABODE (http://www.spodesabode.com/content/article/silverstonelc04/)