Amiga hardware info, help and support with a focus (but not limited to) North American NTSC experiences. Open to all.
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Seattle, WA, USA

by intric8 posted Sun Sep 10, 2017 5:28 pm

My Amiga 2000 has been my daily for nearly all of 2017 and much of 2016. It's the ultimate tinkerer machine, IMO, for the "old school" classic Amiga. The only exception to my daily use lately has been from my A1000, of which I've fallen completely head over heels. I actually have a lead on an external HDD for it which I'm trying to work out - more on that in October, most likely. But I digress...

The 2000 can take a ton of hardware additions. But over time, the more you add the more stress you put on the power supply to run everything. Eventually it can cause it to fail or make the machine actually crash.

My 2000's expansions currently include:
  • two floppy drives
  • Syquest drive
  • original 40MB HDD (boot drive)
  • scsi2sd 4GB drive
  • 8MB RAM board
  • GeForce 040 accelerator
  • laser tank mouse

That list alone is quite a bit to ask of the original 2000's 200 watt PSU, but it's been handling things OK.

The Amiga 2000 PSU supplies the following:
+5V @ 20.50A
+12V @ 8.00A
-5V @ 0.30A
-12V @ 0.30A

To reduce any stress and allow for future expansions stress-free I've acquired what's known as the Bigfoot 2000 PSU, which supplies a beefy 300 watts of power! Not only that, but it has a switch on the back which allows it to work with either 110V or 220V - so US and Europe can use this beast.

The manufacturer, Micro R&D, made PSU upgrades for the 500, 2000, 3000, 4000 and CD32.

The other big selling feature of this PSU is that it was designed to simply be a drop-in replacement with no hardware mods required to the A2000 or A2500 case.

To be quite honest, the build looks to be slightly higher quality than the C= original.
Big Foot PSU for Amiga 2000/2500, top view.
Big Foot PSU for Amiga 2000/2500, rear/back view.

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