Popular Post Lebouwsky Posted May 8, 2019 Popular Post Share Posted May 8, 2019 On 1/20/2019 at 7:38 PM, Lebouwsky said: This weekend I pulled the trigger and ordered the hdplex 200w. Instead of a 12 and 19v fixed output I’ve asked Larry to install 2 fixed at 12v and 2 variable outputs. My plan is to use 3 rails to power the motherboard’s atx without the dc to atx converter. It needs 12, 5, 3.5v for atx plug and the 4th 12v output to separately power the cpu. Last but not least a rather complex cable like @LTG2010 suggested (thanks again for that). My X10SBA motherboard is now powered by one 12v output of the Sotm sps500 using a 4 pin molex connector. The Sotm usb card is powered externally at 7v by a Teradak 30 linear power supply I will first test it with just 1 rail of the hdplex to power the motherboard with the 12v molex and all it’s internal voltage regulators. This way I can compare the hdplex with the sps500 Second step will be powering the mb with all 4 rails of the hdplex without the sps500 and bypassing the voltage regulators. Third I will change one of the 4 hdplex’s rails by the sps500 to power the cpu and see if this makes a lot of difference. If not I will go back to the 4 rails of the hdplex and use the sps500 to power the Sotm Usb card externally. I even might sell the sps500 if the difference is small and buy a second hdplex to power ssd, Sotm sclk clock and Sotm usb card. This way I still have a rail spair for something else, who knows what. I think it will take a few weeks to get all parts and another few weeks to test. The modified Hdplex 200w has finaly arrived. The build feels very solid and internal inspection didn’t result in any flaws. The custom made atx cable from Ghent had arrived in januari already and was waiting eagerly to be tested, though it will have to wait a little bit longer (see picture) I tested the “regular” 12v output on an old media streamer which only handles 12v and it worked. Then I tested the modified 12v, which originally was 19v. Larry from hdplex modified it, because I need 2 x 12v outputs, one for CPU and one for atx. The other 2 adjustable outputs will be set at 3.3 and 5v for the atx conversion. The midified 12v worked on the media streamer as well. The next step was to power a celeron itx pc running Windows 10 by one of the 12v outputs. It uses an dc to atx converter. This pc looks a lot like my dedicated music server, though the latter is much more advanced and tweaked. This test is running flawlessly now (see picture). The next step will be running the spare celeron pc, but this time with the full atx conversion, using all 4 ouputs from the 200w. This will be a long test of at least 4 days in a safe environment to see how stable it will be using Jriver upsampling flac to 24/192. After this test I will use one 12v rail to power my entire supermicro x10sba based music server. This way I can compare the hdplex with the sotm sps500 on which it is running now. After that I will install the full atx on the music server and see what kind of an improvement it will bring. If all goes well I’ll might sell the sps500 and buy a second hdplex 200w to power ssd, sotm usb card, sotm clock and in the future a jcat network card. For the record, I use a one box, low profile windows server 2016 machine. No dsd, no Xeon or Intel core, no audiolinux or what so ever and plan to stay on this boat for at least the next few years. So far, HDplex and Ghent Audio have bin really supportive and a charm to work with. Last but not least, thank you @LTG2010for your support so far, could not have done it without you. lmitche, LTG2010, austinpop and 1 other 3 1 Link to comment
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