Another thing to check is the voltage. I have some OCZ RAM in my system and the voltage is not the 1.8v DDR2 standard but instead it is 2.1v. The BIOS did not pick this up automatically. It would run ok as 1.8v but when I added a 2nd pair of RAM it would behave oddly, bumping it up to the correct voltage fixed the problem. Some systems won't let you adjust these "overclocking" settings. And of course, if you have multiple pairs of bad RAM I would be inclined to check the mainboard and CPU (recent AMDs have the memory controller on the CPU -- I walked barefoot accross a carpet with a CPU in my hand and it never worked in dual-channel mode again!) -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org