[Darth_Hatter]

Hey, i have 2 512mb sticks of corsair xms ram. both are ddr400 200 Mhz but when i have both sticks in and it is going through post it says they are ddr333 133Mhz. why does this happen? if i put the sticks in individually they say they are ddr400 200Mhz each. is there a way with the msi k8n neo platinum motherboard to change the settings in the bios so that it will read properly?

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Some motherboards want you to put the modules in memory slots 1 and 3, some in 2 and 4, some just in 1 and 2, in order to get the dual-channel support working. Read the manual.

[Neil Jones]

Some motherboards want you to put the modules in memory slots 1 and 3, some in 2 and 4, some just in 1 and 2, in order to get the dual-channel support working. Read the manual.

[Darth_Hatter]

i did read the manual.....

i didnt know that you had to have dual channel memory to run two sticks at full specs, is that true?

doesnt make sense that you need to have dual channel capabilities to run two sticks of ddr400 200Mhz at that.

if that is the case, why?

[Samm]

You do not need to be running dual channel in order to have 2 sticks of ram at full spec. In fact, your motherboard doesn't even support dual channel.

I do however know what the problem probably is. Can you tell me if the ram sticks are double sided or single sided please? (i.e do they have chips mounted on both sides or just on one side?)

[Darth_Hatter]

CMX512-3200C2PT is the ram that i have. im thinking its double sided, but it is kinda hard to tell since there is the heat spreader on it.

I am well aware of the fact that my mobo doesnt support dual channel, but thanks for your concern. it really means a lot to me.

[Samm]

Assuming the ram is double sided then, you need to install it in slots marked 1 & 2 (The two nearest the cpu socket). If you insert two sticks of double sided DDR400 in any other slots, the system will only recognise it as DDR333 (according to MSI). Likewise, your system won't support 3 sticks of DDR400 at 400MHz either.

[Darth_Hatter]

alrighty, thanks. ill give it a shot