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As far as I can remember, the system-on-chip architecture limits the maximum amount of RAM to 1 GB (I'll try and find an official source, it's probably somewher
by AdrianoKF 9y ago
As far as I can remember, the system-on-chip architecture limits the maximum amount of RAM to 1 GB (I'll try and find an official source, it's probably somewhere in the BCM283x peripherals documentation).
Not to say Broadcom couldn't spin a newer revision of the SoC with a different internal architecture, but for now it seems that >1 GB of RAM would require substantially more effort than just swapping the DRAM module on the board.
- boris 9y agoRight, RAM is part of the SoC... that probably makes the idea pretty much a no-go.
- AdrianoKF 9y agoThe RAM was only integrated on the SoC on earlier models (called a package-on-package, PoP -- see https://elinux.org/RPi_Hardware#Components https://elinux.org/RPi_Hardware#Components) Later versions (I think starting with RPi 2) have a separate DRAM chip on the bottom side of the PCB.