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<blockquote data-quote="SpeedFreak" data-source="post: 78208" data-attributes="member: 24590"><p>I'm definitely not convinced the 6150 is the cause of my problems since none of the GPU settings made a difference wrt. lost frames. Only turning vertical synch off or changing the deinterlacing method solved that problem. Without any knowledge of MediaPortal's architecture, my guess is that there's a lock contention problem somewhere in the video pipeline.</p><p></p><p>I haven't measured the exact temperature of the 6150 since I started cooling it, but from touch my guess is that it's no hotter than 45 degrees.</p><p></p><p></p><p>The <a href="http://www.tomshardware.com/2005/10/12/all_quiet_on_the_pc_noise_front/index.html" target="_blank">case design</a> does provide some airflow through normal thermal convection. The temperature inside the case is 40-45 degrees. I have installed a <a href="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_47&products_id=113" target="_blank">mCubed safety fan system</a> with a trigger level of 45 degrees and since I started cooling the GPU it hasn't been activated. According to the onboard sensors, the CPU core temp is 48 and the "system" temp is 42. Cooler than most systems wouldn't you say?</p><p></p><p></p><p>The 6150 heat-pipes are the <a href="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_46&products_id=120" target="_blank">mCubed Borg HBC</a> kit.</p><p></p><p>The CPU heat-pipes are the <a href="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_46&products_id=99" target="_blank">mCubed Borg HPC</a> kit.</p><p></p><p>The <a href="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_45&products_id=97" target="_blank">HFX case</a> itself is one massive heat sink.</p><p>A heat sink is necessary since the <a href="http://en.wikipedia.org/wiki/Heat_pipe" target="_blank">heat-pipes</a> needs somewhere cool to dump the heat.</p><p>Heat-pipes doesn't make the heat magically disappear. It just makes sure that both ends of the pipe are equally hot/cold. For that reason I seriously doubt that something like the Zalman ZM-2HC2 harddisk cooler works at all since it just transfers heat from one side of the disk to the other.</p><p></p><p></p><p>Yes, the VerticalSilence is a 5 1/4" unit. There's a <a href="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_44_50&products_id=158" target="_blank">similar unit for the HFX Mini</a> though. Maybe that'll fit.</p><p></p><p></p><p>There's a couple of Swedish message boards which discusses the mCubed products. They were an immensely valuable research resource for me when I designed my system:</p><p><a href="http://www.tystpc.nu/forum/viewforum.php?f=1" target="_blank">http://www.tystpc.nu/forum/viewforum.php?f=1</a></p><p><a href="http://www.minhembio.com/forum/index.php?showtopic=88345" target="_blank">http://www.minhembio.com/forum/index.php?showtopic=88345</a></p><p></p><p></p><p>The SilverStone PSU is rated at 300W, but according to <a href="http://www.silentpcreview.com/article185-page1.html" target="_blank">several benchmarks</a> it delivers more power than most 400W units.</p><p></p><p>My system uses 20W in <a href="http://en.wikipedia.org/wiki/Acpi" target="_blank">S4 mode</a>, 22W in S3 mode and 100W when running full throttle in G0 mode. I think the reason S4 uses so much is that the <a href="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_47&products_id=102" target="_blank">VFD</a> is powered on at all time. The max power the system has ever used is 150W. I've had an external digital power-meter on the system since first boot.</p></blockquote><p></p>
[QUOTE="SpeedFreak, post: 78208, member: 24590"] I'm definitely not convinced the 6150 is the cause of my problems since none of the GPU settings made a difference wrt. lost frames. Only turning vertical synch off or changing the deinterlacing method solved that problem. Without any knowledge of MediaPortal's architecture, my guess is that there's a lock contention problem somewhere in the video pipeline. I haven't measured the exact temperature of the 6150 since I started cooling it, but from touch my guess is that it's no hotter than 45 degrees. The [URL="http://www.tomshardware.com/2005/10/12/all_quiet_on_the_pc_noise_front/index.html"]case design[/URL] does provide some airflow through normal thermal convection. The temperature inside the case is 40-45 degrees. I have installed a [URL="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_47&products_id=113"]mCubed safety fan system[/URL] with a trigger level of 45 degrees and since I started cooling the GPU it hasn't been activated. According to the onboard sensors, the CPU core temp is 48 and the "system" temp is 42. Cooler than most systems wouldn't you say? The 6150 heat-pipes are the [URL="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_46&products_id=120"]mCubed Borg HBC[/URL] kit. The CPU heat-pipes are the [URL="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_46&products_id=99"]mCubed Borg HPC[/URL] kit. The [URL="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_45&products_id=97"]HFX case[/URL] itself is one massive heat sink. A heat sink is necessary since the [URL="http://en.wikipedia.org/wiki/Heat_pipe"]heat-pipes[/URL] needs somewhere cool to dump the heat. Heat-pipes doesn't make the heat magically disappear. It just makes sure that both ends of the pipe are equally hot/cold. For that reason I seriously doubt that something like the Zalman ZM-2HC2 harddisk cooler works at all since it just transfers heat from one side of the disk to the other. Yes, the VerticalSilence is a 5 1/4" unit. There's a [URL="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_44_50&products_id=158"]similar unit for the HFX Mini[/URL] though. Maybe that'll fit. There's a couple of Swedish message boards which discusses the mCubed products. They were an immensely valuable research resource for me when I designed my system: [url]http://www.tystpc.nu/forum/viewforum.php?f=1[/url] [url]http://www.minhembio.com/forum/index.php?showtopic=88345[/url] The SilverStone PSU is rated at 300W, but according to [URL="http://www.silentpcreview.com/article185-page1.html"]several benchmarks[/URL] it delivers more power than most 400W units. My system uses 20W in [URL="http://en.wikipedia.org/wiki/Acpi"]S4 mode[/URL], 22W in S3 mode and 100W when running full throttle in G0 mode. I think the reason S4 uses so much is that the [URL="http://www.mcubed-store.com/catalog/product_info.php?cPath=21_38_47&products_id=102"]VFD[/URL] is powered on at all time. The max power the system has ever used is 150W. I've had an external digital power-meter on the system since first boot. [/QUOTE]
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