oracle_jedi Posted October 26, 2017 Share Posted October 26, 2017 Both my Falcons have dead NVRAM chips, no big surprise there. I've read that removing them is a PITA, and that typical soldering iron+solderpult approach will likely destroy traces and possibly the whole Falcon. I've also seen the "cut the chip away from the top" approach, which seems to me a risky way to make a huge mess too. How safe is a Hakko desoldering station? It seems pretty gentle on the vacuum and has variable heat settings from 400F to 750F, would this be a better option to desolder the Dallas chip from the underside and then use a plastic screwdriver to lever the chip off? Quote Link to comment Share on other sites More sharing options...
Keatah Posted October 26, 2017 Share Posted October 26, 2017 Hakko, Met-Cal, Harbor-Freight.. Whatever.. Thing is to be sure the tool-tip is grounded, properly sized, and has good heat capacity/reserve. It would take a lot of vacuum power to suck the traces off the board, so that isn't an issue. It appears to be a standard DIP package, so no special tricks unless I'm missing something completely. I speak as an engineer seeing this as any other desoldering job. Quote Link to comment Share on other sites More sharing options...
anzac Posted October 26, 2017 Share Posted October 26, 2017 replacement NVRAM kit available on exxos store: https://www.exxoshost.co.uk/atari/last/storenew/ Falcon030 RTC replacement NVRAM Quote Link to comment Share on other sites More sharing options...
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