mrdweeb #1 Posted June 17, 2020 ...can I successfully install the Marpet memory expansion into my 1040ST? I have some experience with electronics, but I really don't want to mess up the motherboard. Quote Share this post Link to post Share on other sites
snarkdluG #2 Posted June 17, 2020 (edited) A little bit of soldering is required to deactivate the onboard memory if you want to upgrade to max 4Mb. Have you checkad that the desired machine has socket on shifter and MMU? Edited June 17, 2020 by snarkdluG Quote Share this post Link to post Share on other sites
mrdweeb #3 Posted June 17, 2020 Not yet. I have downloaded the manual and it seems the first thing is to identify what motherboard you have. Quote Share this post Link to post Share on other sites
mrdweeb #4 Posted June 17, 2020 Does anyone know any place in the US that would do the memory upgrade? I have no problem with UK, Europe, or elsewhere except for the postage and time. Quote Share this post Link to post Share on other sites
Umberto #5 Posted June 18, 2020 17 hours ago, mrdweeb said: Does anyone know any place in the US that would do the memory upgrade? I have no problem with UK, Europe, or elsewhere except for the postage and time. I do, where are you located? Quote Share this post Link to post Share on other sites
mrdweeb #6 Posted June 18, 2020 Denver, Colorado--thanks. Quote Share this post Link to post Share on other sites
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