I think you can have too much ram, systems have limits depending on model,age etc. you would normally check one of the memory suppliers sites, like crucial to ascertain memory type and amount which can be safely added. Memory is usually fitted in pairs to the slots you have mentioned blue/brown although colours vary by machine. You normally start off by fitting memory into the slot closest to the cpu then add the next module into the same colour as the first..this usually leaves a gap between the two. what machine do you have..? have you checked that the memory you bought is compatable..?
It seems the new ram wont work with the old. The new ram seems to work ok on its own, as does the old ram but not together. Do you think 2Gb is enough? Or maybe get 2 more sticks of the 1gb I just bought to make it 4gb?
If you have your m/board manual look in it to see the section under compatible ram as it only seems to list kingston,corsair and a few others. They should be installed in slot 1 and 3. If you want to view the manual i will provide a link.
Is 2 gig enough? For most people it is. There can be a compatability problem with RAM you add and the RAM thats there, my only suggestion is see if theres any info on the ASUS site and their Forums for this particular motherboard and memory.
My ASUS board which is different from your warns that "Always install DIMMs of the same latency". So it could be something like that.
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