19 February 2014, 14:06 | #1 |
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Amiga 1200...board revisions question / wire link modification question
Hi All,
My first post on EAB, and a new thread to boot! I'm on Amibay also, but seems to be a lot more technical traffic here (I've been a short term lurker LOL) Recently got back into the Amiga, and have just acquired a crazy amount of hardware! This post covers something I'm sure has been covered to death...a quick search didn't reveal a compact answer for me. I now have 8 A1200 boards. I intend to recap 6/8 (I've recapped the first I got already, and the 7th I think has a faulty floppy controller chip or component). My question.....most are revision 1d.4 boards, but I also have a 1d.3 and 2B. I'm going to keep 2 (One will be using the Individual ACA1232, the other a Phase 5 68060/PPC240Mhz) and refurbish / onsell the rest. Since I've recapped and done the timing fix on a 1d.4, Ill keep that, but I'm wondering if there is any benefit to keeping either the 1d.3 or 2B? Any thoughts? Also, I came across a unique modification on one of the 1d.4 boards, I'm hoping someone can identify its purpose (I'm just too curious!). Its a wire link between a SMD resistor just above Budgee and adds an inline resistor connecting to an SMD resistor beside the electrolytic cap underneath the serial port. Any ideas Ash |
19 February 2014, 14:41 | #2 |
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Photo of link....
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19 February 2014, 14:50 | #3 |
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20 February 2014, 12:32 | #4 |
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Thanks BigFan....an interesting link, even if it doesnt totally satisfy my curiosity!
I think Ill just keep the 1d.4 and the 2B...provided I can get the 2B stable with the ACA! |
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