sd2snes in heat

sd2snes in heat

Just a little fun post inbetween. Ingo Korb of sd2iec fame (that’s the project that got me started on sd2snes in the first place!) had the chance to take thermal images of a running SNES+sd2snes. Some people, including myself, found that the sd2snes gets quite hot in the SNES. However the heat actually comes from outside the sd2snes, that is from inside the cart slot! The SNES’s linear voltage regulator produces a lot of heat that gets radiated into the cartridge slot (among other places).

thermal image of an SNES+sd2snes - top view
Top view – SNES cauldron!
thermal image of an SNES+sd2snes - rear view
Rear view

These images illustrate it quite nicely. There are little hotspots where the chip dice are but most of the heat comes from below / behind.

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Seb

That is impressive.
I think it is good that you do not only take care of the hardware and software part of the sd2snes but also of the consequences on the snes. I did not know that was the case.
Good work!

Ken

Thank you for not causing my SNES to melt or explode into little bits.

DefCon1

I’d love to see the same kind of shot with a SNES Mini/Jr. I wonder if it’s less prone to heat up or not.

rama

You can lower the heat by using a DC power brick instead of the PAL region AC type.
Use about 8 to 10 volts and 1A or better :)

krivx

You can also swap in a DC/DC converter module with the same footprint as the original linear regulator

Mobo

How much current is being drawn?

I don’t know where the problem was. Maybe also the fact that I use cartslot pin 56 instead of cic pad 7 as the clocksource for the scic-lock plays an important role… Nevermind ;) My secound (and last) try will be this DC/DC-converter here: http://www.mouser.com/ds/2/281/oki-78sr-56393.pdf :)

borti4938

works ^^

Nick Olsen

Were those thermal images taken with a Flir Ex-Series TIC? I have an E4 (that has been hacked in software to be an E8) and the interface looks very similar.

I am currently waiting for my SD2SNES to arrive from Stone Age Gamer (Deluxe Edition) and I will have to take some comparison thermal images between it and a standard cart.

Any progress updates on getting SuperFX implemented?

RICK

So, in noticing this heat build up myself and not being very technical (I found this page as I was worried about the heat!) Should I be worried or is the heat build up not an issue?

Who’s making the first water cooled mod for the SNES? ;)

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