ScuzzBlog: Diaries January 2018 Entry 13th January 2018: Post: 1 Saving the last Amiga 500Plus Going through the history my A500s and checking old images I was taken by the swap out I did in 2007 of a broken A500. I am kinda convinced that the 500 is the one that took the A500Plus mobo which I featured yesterday. However, the motherboard appeared to be a brown surfaced one and checking through the graveyard I only have a green A500 broken motherboard. [ sad little corner of the workshop so don't venture there too often ] Anyway, got me thinking about the last of my 500s that doesn't work. If I placed the Plus in a 500 why don't I try to resurrect this 500 motherboard and see if I can get that working. Mad I know but worth a shot. So here is what happened. Ok busted A500 board on the bench. No idea where it came from or what was its problem Other than being very dusty there was absent the ROM from its socket I rescued the A500Plus with the broken Agnus socket and I intend swapping this board out with the 500... and having a play First though I needed a ROM and digging through my plastic drawer cube I found a suitable candidate, albeit a 1.2 ROM fitted and ready for the next phase I hook up the keyboard from the A500Plus And we have power. So far so good Sadly no video output. Onwards I removed the A500Plus motherboard and slot in the A500 with a view to cleaning and reseating all the chips So I set about cleaning first It was then that I noticed something odd The end pin on the CPU was bent over I quickly extracted the CPU...As you do And set about straightening the pin And guess what ? Got excited and dug out a 1.3 ROM and fitted that... And she was working. I had issue with the shielding which was causing a problem with the keyboard So I swapped out the shielding and worked like magic. No problems at all So I cleaned up and screwed everything together and tested one last time on the TV Then moved the A500 to the Microvitec She booted with no issues Job done I was kinda astounded in truth So I updated the sticky label on the computer Realising this was my last broken A500 that I needed to fix. Following my review last year there were three. I now have none Hmmm... What shall I do now ?

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Last updated 13/01/2018

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