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<blockquote data-quote="tourettes" data-source="post: 531708" data-attributes="member: 10858">After reading thru the first post (quickly) at least following points needs some clearingUse Windows XP SP3 instead of VISTA/Win7 becouse:Not true. Especially when Windows 7 and Vista are both waking up much faster from the S3/S4 states (pretty important for a HTPC). In general Vista is slower, but even it can be tweaked to reach the XP speeds by disabling extra Both Vista &amp; Windows 7 have many media playback improvements (more accurate times, much more glitch resistant frame scheduling, no need for complicated exclusive DirectX usage that causes issues with MP and 3rd party programs. Possibility to use DirectX 9Ex, allowing much fine grained control over the D3D and device loss, even allowing to change refresh rate during video playback ) that are far more important that few percent performance hit that Vista has when compared to XP. Works as well with Windows Vista &amp; Windows 7. Works as well with Windows 7 and Windows Vista. Might be a issue with Cyberlink's codec? But not a general issue in any way.Users need to use EVR as well in MP config.Not all GPUs that are DXVA capable are offloading all the decoding. For example Nvidia 8800 has only minimal offloading possibilities with H.264 content (mainly causing almost as high CPU usage as in software mode).Doesn't support VC-1 interlaced encodings.Not true on all AMD systems, at least with Windows 7 nor Windows Vista. XP might be different as it has buggy implementation when it comes to speed stepping. Should be recommended only as an troubleshooting step when users are experiencing suttering video playback (and if disabling C&amp;Q doesn't solve the issue then it shouldn't be disabled).</blockquote>

[QUOTE="tourettes, post: 531708, member: 10858"] After reading thru the first post (quickly) at least following points needs some clearing Use Windows XP SP3 instead of VISTA/Win7 becouse: Not true. Especially when Windows 7 and Vista are both waking up much faster from the S3/S4 states (pretty important for a HTPC). In general Vista is slower, but even it can be tweaked to reach the XP speeds by disabling extra Both Vista & Windows 7 have many media playback improvements (more accurate times, much more glitch resistant frame scheduling, no need for complicated exclusive DirectX usage that causes issues with MP and 3rd party programs. Possibility to use DirectX 9Ex, allowing much fine grained control over the D3D and device loss, even allowing to change refresh rate during video playback ) that are far more important that few percent performance hit that Vista has when compared to XP. Works as well with Windows Vista & Windows 7. Works as well with Windows 7 and Windows Vista. Might be a issue with Cyberlink's codec? But not a general issue in any way. Users need to use EVR as well in MP config. Not all GPUs that are DXVA capable are offloading all the decoding. For example Nvidia 8800 has only minimal offloading possibilities with H.264 content (mainly causing almost as high CPU usage as in software mode). Doesn't support VC-1 interlaced encodings. Not true on all AMD systems, at least with Windows 7 nor Windows Vista. XP might be different as it has buggy implementation when it comes to speed stepping. Should be recommended only as an troubleshooting step when users are experiencing suttering video playback (and if disabling C&Q doesn't solve the issue then it shouldn't be disabled). [/QUOTE]

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