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Just to share some new findings.

I've found that if I disable (and DISCONNECT!) my VGA display (sony 15"), so that only my HDTV component connection is active, then apply the 576P HDTV mode the output on the Component goes to 720x576P. This isn't perfect, as the best combination I've found for my display is 960x540P (seems to have much fewer colour abberations, must be a better match to the pixel mask).

I'm not sure why having the primary display disconnected and unconfigured affects the HDTV output capabilities on the second display, but it does!!

So things are improving.

Now I'm trying to get my prefered resolutions happening. I'm still finding that the 1080i output from the card just will not sync with my TV. I've tried using the custom resolutions, to set the timing values from my old Radeon Powerstrip configuration, and while the calculations of dot clock etc. come out to be indentical to my old powerstrip settings, the TV just refuses to sync!

Powerstrip just doesn't seem to work with these drivers, if I set a resolution with powerstrip (eg 960x576, what I end up with is a 720x576 screen with a panning desktop. It seems like the card/driver is very limited wrt the control of the HDTV output timing.

Intermittently when I use the custom resolutions dialog I keep getting the problem with something going ballistic on the PC, and the property pages just freeze for a few seconds (maybe 30) before control comes back to the keyboard and mouse. At this point I have to reboot as the system is running at 100% CPU (even though no individual process, other than the idle process at 99% is using any CPU on the task manager)

All in all between the inflexibility in the HDTV output, and what appears to be general instability in the driver, I think the old Radeon is going to be reincarnated, and I'm going to try to get the VGA converter repaired, the combination of the two is considerably better and stable.

The other option I guess is one of those new 80cm LCD TVs hooked up by DVI Back to the finance department

<blockquote data-quote="htpcoz" data-source="post: 20470" data-attributes="member: 13987">Just to share some new findings.I've found that if I disable (and DISCONNECT!) my VGA display (sony 15&quot;), so that only my HDTV component connection is active, then apply the 576P HDTV mode the output on the Component goes to 720x576P. This isn't perfect, as the best combination I've found for my display is 960x540P (seems to have much fewer colour abberations, must be a better match to the pixel mask).I'm not sure why having the primary display disconnected and unconfigured affects the HDTV output capabilities on the second display, but it does!!So things are improving.Now I'm trying to get my prefered resolutions happening. I'm still finding that the 1080i output from the card just will not sync with my TV. I've tried using the custom resolutions, to set the timing values from my old Radeon Powerstrip configuration, and while the calculations of dot clock etc. come out to be indentical to my old powerstrip settings, the TV just refuses to sync!Powerstrip just doesn't seem to work with these drivers, if I set a resolution with powerstrip (eg 960x576, what I end up with is a 720x576 screen with a panning desktop. It seems like the card/driver is very limited wrt the control of the HDTV output timing.Intermittently when I use the custom resolutions dialog I keep getting the problem with something going ballistic on the PC, and the property pages just freeze for a few seconds (maybe 30) before control comes back to the keyboard and mouse. At this point I have to reboot as the system is running at 100% CPU (even though no individual process, other than the idle process at 99% is using any CPU on the task manager)All in all between the inflexibility in the HDTV output, and what appears to be general instability in the driver, I think the old Radeon is going to be reincarnated, and I'm going to try to get the VGA converter repaired, the combination of the two is considerably better and stable.The other option I guess is one of those new 80cm LCD TVs hooked up by DVI <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /> Back to the finance department&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite16" alt=":cry:" title="Crying&nbsp; &nbsp; :cry:" loading="lazy" data-shortname=":cry:" /></blockquote>

[QUOTE="htpcoz, post: 20470, member: 13987"] Just to share some new findings. I've found that if I disable (and DISCONNECT!) my VGA display (sony 15"), so that only my HDTV component connection is active, then apply the 576P HDTV mode the output on the Component goes to 720x576P. This isn't perfect, as the best combination I've found for my display is 960x540P (seems to have much fewer colour abberations, must be a better match to the pixel mask). I'm not sure why having the primary display disconnected and unconfigured affects the HDTV output capabilities on the second display, but it does!! So things are improving. Now I'm trying to get my prefered resolutions happening. I'm still finding that the 1080i output from the card just will not sync with my TV. I've tried using the custom resolutions, to set the timing values from my old Radeon Powerstrip configuration, and while the calculations of dot clock etc. come out to be indentical to my old powerstrip settings, the TV just refuses to sync! Powerstrip just doesn't seem to work with these drivers, if I set a resolution with powerstrip (eg 960x576, what I end up with is a 720x576 screen with a panning desktop. It seems like the card/driver is very limited wrt the control of the HDTV output timing. Intermittently when I use the custom resolutions dialog I keep getting the problem with something going ballistic on the PC, and the property pages just freeze for a few seconds (maybe 30) before control comes back to the keyboard and mouse. At this point I have to reboot as the system is running at 100% CPU (even though no individual process, other than the idle process at 99% is using any CPU on the task manager) All in all between the inflexibility in the HDTV output, and what appears to be general instability in the driver, I think the old Radeon is going to be reincarnated, and I'm going to try to get the VGA converter repaired, the combination of the two is considerably better and stable. The other option I guess is one of those new 80cm LCD TVs hooked up by DVI :) Back to the finance department :cry: [/QUOTE]