New Install Vista 64 LG GH20 DVD-RW driver

I have a new install system with the following configuration -
MOBO - M2N68-AM
Processor - AMD Athlon 64 x2 dual core 6000+
HDD - SATA1 Vendor WD 320Gig
Memory - 2Gig
DVD/RW - LG 20x (GH20) SATPI

When I try to install Vista 64 it is very slow and after about 2 hours it says that the driver for the DVD needs to be updated. This is the 2nd drive that I've tried and the 1st drive had the same response. Things I've tried -
Updated the BIOS
Changed the SATA cables
reset the CMOS
changed DVD drives (the 1st one was a Sony DVD)
downloaded all of the MOBO drivers, but they are not accepted

Suggestions?
Dan