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You need a dedicated BGA removal/reflow tool (like a Metcal) a compatible RAM board to mount the removed BGA upon for insertion into a RAM tester, then you need
by lightedman 7y ago
You need a dedicated BGA removal/reflow tool (like a Metcal) a compatible RAM board to mount the removed BGA upon for insertion into a RAM tester, then you need a hardware RAM tester like RAMCHECK LX.
That's an expensive set of kit.