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<blockquote data-quote="kszabo" data-source="post: 317559" data-attributes="member: 61646">Hi!I start this thread because I did not find any thread covering this specific issue. I hope to help others with my findings.I had a strange problem with my setup (GA-MA78GPM-DS2H motherboard with 780G/hd3200 chipset, 128 MB sideport vRAM + 512 MB shared RAM, Vista, EVR, PDVD 7.3, Phenom, Catalyst 8.9):super picture quality of 1080i HDTV but random short jitter/stutter with some dropped frames every 10-30 seconds.I tried everything... (renderer, CCC settings, antivirus off, cool&amp;quiet off etc.) nothing helped. Then I deactivated the sideport vRAM in BIOS (left 512 MB shared UMA) and voilá! Jitter/stutter is gone for good!!!! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin&nbsp; &nbsp; :D" loading="lazy" data-shortname=":D" />I guess there is a problem of handling both sideport vRAM and shared RAM at the same time. I hope that a BIOS update will help (there is only one, the first F1 available still for my GA-MA78GPM-DS2H)</blockquote>

[QUOTE="kszabo, post: 317559, member: 61646"] Hi! I start this thread because I did not find any thread covering this specific issue. I hope to help others with my findings. I had a strange problem with my setup (GA-MA78GPM-DS2H motherboard with 780G/hd3200 chipset, 128 MB sideport vRAM + 512 MB shared RAM, Vista, EVR, PDVD 7.3, Phenom, Catalyst 8.9): [B]super picture quality of 1080i HDTV but random short jitter/stutter with some dropped frames every 10-30 seconds.[/B] I tried everything... (renderer, CCC settings, antivirus off, cool&quiet off etc.) nothing helped. Then I deactivated the sideport vRAM in BIOS (left 512 MB shared UMA) and voilá! Jitter/stutter is gone for good!!!! :D I guess there is a problem of handling both sideport vRAM and shared RAM at the same time. I hope that a BIOS update will help (there is only one, the first F1 available still for my GA-MA78GPM-DS2H) [/QUOTE]

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