don't know what unbaffereed is but buffered ram are only used for servers. unbuffered is used in desktop computers and no u don't have to do something before installing it.
ur drive will work wid ur mobo...cd/dvd drives uses an interface called IDE and every single motherboard has IDE connections. it's a standard
Intel Core 2 Quad Q9550 2.83Ghz || 4GB OCZ 1066 DDR2 RAM || GIGABYTE GA-EP45-UD3P Motherboard ||
PNY XLR8 GTX 470 || Raptor 300GB 10,000 RPM HDD RAID0 || Windows 7 Professional 64-bit