Hi guys, hope you could help me with some RAM trouble i'm having.

My friend has a PII 300 Mhz computer that was purchased at compUSA. It had a 64mb stick in it, and two empty slots. So i go down to Frys (i know, i'm sorry), and picked up two 128mb of PC100 RAM. Popped them in the computer, and all it does is beep like 6 times, and nothing else. I tried just 1 of the 128mb sticks, same thing. So i was thinking that the mobo couldn't handle more than a 64mb stick. Ok, go back to Frys, exchange the two 128mb of PC100, for two 64mb sticks of PC100. Pop those in, this time, no beeping, but it won't boot. The original 128mb sticks i bought were generic, but the 64mb sticks i tried were name brand. So now i am at loss for ideas. i have no clue what kind of mobo it is or anything, even if i did, it'd be tough to find the specs as this thing is 4 years old.

Anyone know what could be up?