Ram type?

I'm trying to determine what type of fast-page ram I have so that i can get some more. I can't work out if my ram is parity or non-parity. I have tried contacting the commputer makers but they were not very helpful. The following is written on the chips...Korea B002 9706 FFF HM5117805BLJB...if anyone can help me i would be very grateful.

Some more information would help i.e. age & make of computer, type of motherboard, size of existing ram((8/16/32/64MB etc).

Billy 8-{)

That's the Hitachi 511 series, I can find the 280, and 380, but not the 780.

Are you sure it's a 7 and not a 2