So I checked my laptop's specifications and it states that it uses 300 MB of ram means that my laptop has around 3.7 GB of ram usable. I would like to add another 4 GB ram module in my laptop to enable dual-channel ram. My question is that will another ram module run at 3.7 GB as same as the first one or the amount memory reserved for laptop's hardware will be divided by two for each ram module? Or the second module will still run at 4 GB? Thank you.
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