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<blockquote data-quote="HTPCSourcer" data-source="post: 1145107" data-attributes="member: 74879">That's not the question<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink&nbsp; &nbsp; ;)" loading="lazy" data-shortname=";)" />. What kind of video source have you been using with the kids? SD TV, HD TV or DVD? All of these sources will play quite well without visible chopping. The only indicator might be the number of dropped frames, which you can display with Shift-1. It's on 1080i only that you would really notice the problem. BBC HD will broadcast either in 1080p or 1080i - this seems to vary depending on&nbsp; the content.Could you take a look at some BBC HD channels and switch Shift-1 on? This way you'll see the rendering curves. They should all be as flat as possible with the red one displaying the frame rate. The respective number is displayed in the text and you should see this staying close to 50 fps, maybe slightly oscillating. Lower values will indicate throttled CPU states.The latter reminds me that I had switched on additional C-states in the BIOS. I should maybe try and switch that off again.</blockquote>

[QUOTE="HTPCSourcer, post: 1145107, member: 74879"] That's not the question;). What kind of video source have you been using with the kids? SD TV, HD TV or DVD? All of these sources will play quite well without visible chopping. The only indicator might be the number of dropped frames, which you can display with Shift-1. It's on 1080i only that you would really notice the problem. BBC HD will broadcast either in 1080p or 1080i - this seems to vary depending on the content. Could you take a look at some BBC HD channels and switch Shift-1 on? This way you'll see the rendering curves. They should all be as flat as possible with the red one displaying the frame rate. The respective number is displayed in the text and you should see this staying close to 50 fps, maybe slightly oscillating. Lower values will indicate throttled CPU states. The latter reminds me that I had switched on additional C-states in the BIOS. I should maybe try and switch that off again. [/QUOTE]

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