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Author Topic: Need a PSU for my towered A1200  (Read 1578 times)

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Offline som99

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Re: Need a PSU for my towered A1200
« on: January 10, 2013, 06:36:06 PM »
Quote from: blakespot;722006
So, I have a towered Amiga 1200 '060 in a 'Noblesse' case that I got from Revanche, LLC.

http://www.flickr.com/photos/blakespot/sets/72157604300573758/

I've had it for 8 years or so, now. A few years back it started going wonky, and I decided that the PSU was failing, so I went and bought another PSU from the local store -- standard PC tower PSU. Well, it lacked this middle-sized power lead that was present on the original tower's power supply, and so I was not able to plug the A1200-to-PC-PSU cable that Revanche threw in into the new power supply. To remedy this, I set out finding the pinout of that missing lead and wiring the Amiga adapter cable into other parts of the new PSU power leads. And it worked...sort of. The machine has been quite touchy ever since, and growing more so.

So. I would like to get a new PC PSU (as I hacked this current one up) and some method of getting that PSU tied into the Amiga 1200. This would, presumably, be an adapter cable that ties to one of the more standard leads coming out of a modern PSU.

Can anyone point me to such an adapter cable for use with a standard ATX power supply or a PSU / adapter combo that will work in my case?

Thanks much.




bp

Just cut and solder your own, it's quite simple.
http://www.ianstedman.co.uk/Amiga/amiga_hacks/Amiga_Power_supplies/body_amiga_power_supplies.html

Most important part is to have a PSU with as low ripple as possible on the 5v line, so I would go with a good brand PSU.

I can recommend the FSP Group FSP400-60APN 400W PSU, it has low ripple values on the 5v line and is a cheep PSU, 13-19mV ripple between 25-100% load on the 5v line is quite good, great value for it's money :)