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the CPU clock to lowest figure BIOS accepts, lowering the MEM clock etc. But XXHE will lower the CPU clock down further. If you look at PeterSt's signature: Core i7-3930K is running at 0.43GHz only.

Do you know what the power draw would be on such a system with 2 ssd at startup.

There is an interesting thread going on about the Keces liniear power supply. http://www.stereo.net.au/forums/index.php?/topic/65016-great-big-power-supply-shootout-teddy-pardo-diy-wallwart/

It can give 19v with 6a, but I don't know what number I needfor an underclocked PC.

In combination with the pico, it could be an affordable PSU.

http://www.mini-box.com/picoPSU-160-XT

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http://ppaproduct.blogspot.tw/2014/02/clock-upgrade-module-for-main-board.html

This little thing has cought my interest. An upgraded clock for your motherboard.

I wonder how good or stable this clock will be.

If I can find the clock on my test motherboard I'll give it a go.

I have an USB card from him with the same clock and transformer and I am wondering if it would be beneficial if you feed the MB and the USB card with the same clock.

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Very interesting.

The clock always looks the same.

It's usually the only thing that looks like it on the board.

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Guys, while you're doing some comparative listening to the various systems and tweaks any chance ytou could throw a Wandboard Squeezebox into the mix and let us know how it goes?

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I'm tempted to feign illness and stop building my stairs to put my new SSD in and reload a new O/S!

 

I've loaded Win 8.........upgraded to 8.1 and Opera 20.

 

I'm not liking it much...................even though I've used 8 since it came out.

I might go back to 7 ultimate and try it then.

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Do you know what the power draw would be on such a system with 2 ssd at startup.

There is an interesting thread going on about the Keces liniear power supply. http://www.stereo.net.au/forums/index.php?/topic/65016-great-big-power-supply-shootout-teddy-pardo-diy-wallwart/

It can give 19v with 6a, but I don't know what number I needfor an underclocked PC.

In combination with the pico, it could be an affordable PSU.

http://www.mini-box.com/picoPSU-160-XT

 

Think acg would be much more competent to reply on this as he made thorough investigation / measurements on power draw on each MBD rail (his combination MBD/CPU/MEM/HDDs).

It is interesting to mention that most power is needed at PC shutdown (think all measurements were made under W8) Let's say that measurements showed something like 110W needed.

 

With my previous MBD/CPU (Z77 + i7-2600S) I used dc-dc PSU. Not 'Pico' one but 'Morex' - similar in construction to well regarded 'Winmate'. I had to open PSU 'brick' to remove the small

vent inside and mount 2 heavy heatsinks instead, as vent kicked in very frequently, spinning w/ high revs, producing unbearable hf 'whistle'  :)

 

PicoPSU you linked (160-XT) could have some advantage if you give it linear 12V PS of adequate amperage. Other options are the same with Morex/Winmate etc: you still have SMPS PSU.

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@@LogicprObe

Re-install W8 and disable any upates. Conclusion on W8.1 is 101% correct.

 

But I use the Classic Shell anyway...............so I may as well go back to 7!

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It's not 'Classic Shell' you are just using Win7 'Windows Explorer'. Just as I do :)

There are some advantages in W8: there is support for hi-res audio output and it seems W8 is 'less distorting' than W7. It's really hard to explain. I was thinking to go back

to W7 as well, it is much easier to get 'wide stereo stage/image' but at the same time I frequently get (with W7) the sense of say drum-player having 3 meters long hands

hitting hi-hats on both sides of his drum-set :D So, no, W8 is giving much more realistic, firm image width. More details. 

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Do you know what the power draw would be on such a system with 2 ssd at startup.

There is an interesting thread going on about the Keces liniear power supply. http://www.stereo.net.au/forums/index.php?/topic/65016-great-big-power-supply-shootout-teddy-pardo-diy-wallwart/

It can give 19v with 6a, but I don't know what number I needfor an underclocked PC.

In combination with the pico, it could be an affordable PSU.

http://www.mini-box.com/picoPSU-160-XT

 

Have a look at this thread I started about building a full ATX Linear Power Supply (that project is progressing slowly).  I don't have time to go through the thread fully to dig out the info you asked for, but it should be in there.  The heaviest overall load for a music PC is experienced when it is shutting down, closely followed by when it is starting up.  The trouble is that the total load is significantly reduced when o/s optimisations are done but you still need to be able to start and stop the computer without any optimisations, so the power supply does need to be substantial.

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