said by sk1939:
Sounds like a Radeon HD 4550.
I agree, without opening up the case yet. Although I don't see any second DVI port. I remember I ordered this one because it was fanless and was low-profile.
IOGEAR's technical support guy, "Harry", was 100% useless. He advised that "there must be some incompatibility somewhere" and did not know what the dit-dit-dit-dah flashing error code meant. I still don't know.
Anyway, I got an RMA on the switch and am now trying to figure out which is the next switch I should try. I am considering this one: »www.amazon.com/StarTech- ··· duct_top