Asus p5k deluxe markvision memory

[rb34]

Hello,
I have a P5K Deluxe/WIFI board with 2 x 2Gb Markvision DDR2 PC6400 memory. They work together in single channel but when I try dual channel BIOS does not boot. Any ideas?

 

[jaquith]

DUPLICATE POST - see http://www.tomshardware.com/forum/280522-30-asus-deluxe-markvision-memory