I am very very impressed with my new toy, and im not talking about the power meter.....
this morning I recieved my GA-M61PM-S2 Motherboard.
http://www.gigabyte.com.tw/Products/Mot ... uctID=2373
And have put it together with a 3500+, a single 512MB stick or DDR2-667 a slimline SATA 7200.9 160GB and a SeaSonic S12 330W PSU, and an LG DVD-RW.
The lowest power usage i have seen it run at is just 35W, and the highest so far (installing drivers) has been 63W. On the desktop, with only Windows XP and the drivers installed it is varying between 35W and 37W, Coon n Quiet is enabled, DVD drive not spinning.
33-34W as above but without the optical drive attached.
Next up......... I will add another Stick of RAM, and then the fun part, I am going to image the hard drive to a PATA 80GB Seagate 5400.3 Laptop HDD.
The single chip nVidia solution is a must have for anyone who wants a good chipset, and is concerned about power usage and heat, this is MUCH cooler than the previous southbridge chip on its own, let alone adding the northbridge into the equation.
I have added another identical stick of RAM to the system, the peak reported power usage has now hit 67W (while loading windows, which of coure was quicker). The idle power usage has now risen to a huge 35-36W
which ever way you look at thos numbers you have to be quite impressed.
Things keep on getting better
how does a 30-31W at idle system grab your attention, I used a drive imaging program to image the previous drive to a single platter 5400.3 PATA drive.
I have kept the system with the Laptop HDD, but I have now removed 1 stick of RAM, it now idles at 28W......... this is way way lower than I could have hoped for. Remember for all of you "low power usage junkies" you can still reduce the power usage, it will cost you more than an SS S12-330W PSU but you can happily use this system with a PICO PSU which has a higher effieciency than the SS S12's at this power draw, AND you can buy a slower CPU AND even have a go at undervolting
For me this represents an excelent price tag (without a case, and using a Sempron 2800+ I can buy all of the components in the UK for Â£205 +delivery (VAT included).
I decided to unplug the S12-330, and use a couple of "Generic PSU's", first on the bench is a "Sansun SN-350", I thought I would bring PSU efficiency into the game out of interest. I am only going to test these 2 PSU's using the lowest power setup (Update 3) as testing them on a high powered rig is exactly what this rig is NOT, also PSU's efficiency is nearly always the worst at the smallest amount of power usage.
The "Sansun SN-350" scored at idle 34W, thats 6W more wasted by the PSU than the S12 330.
The "Hiper HPU-3S350" scored at idle 33W, thats 5W more wasted by the PSU than the S12 330.