I use a MSI motherboard, and currently one single 512MB DDR ram chip. I have two slots on the baord.
I want to know if with the existing 512BM card, can i simultaneously use a 1GB chip??
Also, if the above method is not possible, should i go for an upgrade to 1GB RAM or 2GB??
You should be able to use both. You can check the pc or motherboard manufacturer's website to make sure.
Jaseva is correct if you are not running it in dual channel.
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