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Found the answer http://www.a1k.org/forum/showthread.php?t=43453
My poor maths... 0.98, not much different.
Sorry, Ground lead, bad choice of words.The two screws go into the ground plain. However I found in some cases an extra earth was required. I was thinking of Indivision, ACA doesn't come with ground lead.I remember having a discussion with IC about including one.
I'm not happy with the +12v going through the ACA's negative that's currently only taking the +5v from the ACA, it still seems a bit dodgy (for me, not having the electronics experience).I've had a quick Google for step downing +12v to +5v and a car charger for a mobile phone and use the MC34063 mentioned in this thread http://www.instructables.com/answers/How-can-I-convert-12v-down-to-5v/ can probably do the job.Having said that it may just be too much work and so I'll leave it with an always on fan pressed up against the chip heat sinks I fitted instead (as opposed to the cool shim job mentioned on the last post).
Not in the Amigas it isn't.If you're worried about grounding the fan through the accelerator, (which probably isn't a good idea) then just get your ground point to the switch from the floppy connector, and have the output from the switch still going to the accelerator (to the screws ground pad, just above connector "CN1")
The floppy and hdd in the amigas are 5 and 12volt, but those aren't the colours.Amiga decided to be different (it was probably before the standard was in place) so if you're wiring things up make sure the voltages are correct.
