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[* black] So here's a bonus for all of you: the A5X cover removed.
[* black] Underneath the cover we find a piece of silicon, but not the processor itself. This is probably a spacer that helps conduct the heat away from the A5X die.
[* black] It's a safe bet that the A5X cover is a heat sink for the CPU, given there's thermal paste underneath and a thermal pad on top of the cover.
[* black] The shiny square object is actually the A5X processor flip chip mounted onto the carrier PWB. The A5X mesaures12.82measures12.82 mm x 12.71 mm (162 mm2) which is 36% larger than the A5.
[* black] The shiny square object is actually the A5X processor flip chip mounted onto the carrier PWB. The A5X mesaures12.82measures12.82 mm x 12.71 mm (162 mm2) which is 36% larger than the A5.