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Quad core -> tiny PC?

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First post, by xjas

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So a few weeks ago I picked up these two AOpen MP965-Ds for ten bucks each, and they quickly became my favorite PCs. Seriously I've spent more time computing on these recently than my i7 or Xeon workstation.

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(^^ XBMC got wiped, one of them is now dual-booting WinXP & Manjaro KDE and the other one is running Lakka.)

They both have Core 2 Duo T7250s (2.0 GHz, 35W TDP, socket P.) I would love, love, love a quad core in a tiny box like this. I would basically replace like three machines with it & use it for everything. Fortunately Intel made some! I've found a Q9000 (2GHz, 44W TDP) for a reasonable price.

The later BIOSes for these supposedly support 45nm Penryn CPUs and the official compatibility list goes up to a T9500, but doesn't list the Q series.

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The internal cooling isn't as bad as you'd think, and it actually does a pretty decent job moving hot air out the perforated back panel. I haven't pulled the cooler & re-done the thermal paste yet, but with the Duo installed it doesn't seem to run overly hot. I could also yank that wi-fi card (which doesn't work very well using that single WAN antenna 😜 ) and swap the HDD for an SSD to reduce internal heat.

I guess there's always the possibility that the unsupported chip just plain won't work on this board. My gut feeling is that wouldn't be the case - these things are made from pretty standard parts: i965 chipset, Phoenix bios, etc. - but I can't find anyone on the internet who's tried. Not a lot of info out there on these in general.

What do you guys think? Should I gamble the 30-odd bucks out of my limited budget for the Q9000, or would I cook my favorite little computers?

twitch.tv/oldskooljay - playing the obscure, forgotten & weird - most Tuesdays & Thursdays @ 6:30 PM PDT. Bonus streams elsewhen!

Reply 1 of 3, by dionb

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Can't comment on chance of it actually working, but as for the cooking... check the official support lists and see what the highest TDP is of supported CPUs. That might be higher than the 35W the T7250 generates. If 44W CPUs are supported, the Q9000 definitely won't cook the beast- although it will get louder. If 35W is as high as they go, you'll need to improve cooling if you want to run that.

Reply 2 of 3, by xjas

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The so-called Easy Install Guide (aka upgrade manual) lists support for Core 2 Extreme (presumably X7800/X7900) which have a TDP of 44W, but nowhere on the official website mentions these chips. All the ones listed there are 35W. So, I don't know?

It also doesn't seem to support a 1066 FSB, so I guess I'd be stuck with a Q9000 running at 1.5GHz instead of 2GHz? I might actually be fine with that. I assume it would cut down the heat somewhat.

twitch.tv/oldskooljay - playing the obscure, forgotten & weird - most Tuesdays & Thursdays @ 6:30 PM PDT. Bonus streams elsewhen!

Reply 3 of 3, by dionb

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If the upgrade manual lists 44W CPUs you should be safe on that count, but if both core type and FSB aren't supported it's a big risk, particularly if no other quad-core CPUs are supported. Only try if you're willing to take the risk.