belzrebuth
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Everything posted by belzrebuth
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Xtra-Ram 2MB install in 1040STFM questions
belzrebuth replied to eebuckeye's topic in Atari ST/TT/Falcon Computers
Thanks for the pictures!I have a TYPE I motherboard (i believe yours is type III or something) and the exact same memory upgrade (MP210A).Since both these motherboard types use the same resistor cutting procedure i did what you posted above (without pic 2 i didn't quite get that. solder pin9 where?). The pdf instruction manual is very clear about this but my STf won't boot.It powers on and then nothing ,no orange light.Could you have any clue why?Could be the pin 9 thing or something else?I believe both sockets were fitted as tight as it gets. I'd really appreciate a little help. In the meantime i reversed the whole process to see if i broke anything but my ST works fine, i'd love to have 4 megs though.. -
Hi all, i just tried installing a Marpet Memory Upgrade to my STF (motherboard REV B) which is stated as TYPE I in the pdf of the upgrade.I followed the pdf instructions (Deluxe RAM guide) but my ST does not boot at all. I installed 4mb so i disabled all my default memory banks ,soldered all 4 resistors corresponding to the 2 banks of RAM(R60,R61,R70,R71) to the largest black capacitor. Could I've done anything wrong with that?Because i haven't seen a picture of all 4 resistors connected but that's what I read in the manual.. Could somebody help? Thanks!
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Xtra-Ram 2MB install in 1040STFM questions
belzrebuth replied to eebuckeye's topic in Atari ST/TT/Falcon Computers
Hi.I believe i have the same motherboard as pictured(rev B).I also have a Marpet memory upgrade i'd like to install to my STf but i thought it was a more straightforward process.Just install the MMU and VideoShifter thingies,solder ground somewhere and done. I see some extra resistor work at the 2nd picture.Could you explain what is it and if/how i need to do it?I was going to give it a go this weekend but i want to be sure to know what to do before doing it! Thanks a lot!
