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@jamie@boothcomputing.social
2025-10-27 22:14:10

My first attempt at desoldering a BGA chip and it worked really well. Chip cleaned up nicely as well.
Disclaimer: I don't plan on using this chip or board again. So, I don't need it to work at the end.
#retrocomputing
#desoldering

picture of the board without the CPU. lots of little solder balls show where it used to be.
the underside of an UltraSPARC chip with lots of left over solder blobs in it.
an UltraSPARC chip sitting on a silicone mat seperate from the processor board. the top is all dirty from where the heatsink was attached.
an UltraSPARC chip all cleaned up and looking shiny. it's propped up against the edge of a metal plate to dry.