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Nvidia System Sentinel Problem
Overclocking my cpu, as the Windows XP desktop comes up I get warnings from
the 'Nvidia System Sentinel' saying it's reducing my graphics card performance because the system isn't providing enough power. It repeats the message several times per second so I end up with tens or even hundreds of instances of this warning running and shown in the task bar. (I do have extra power to the video card plugged in). The only course open is to restart the computer and stop overclocking. I assumed this was because my AOpen 300W psu couldn't cope with the extra load of overclocking the cpu, so I just got a Q-Tec Big Fan 500W psu. Annoyingly I still have the same problem! When I overclock my Athlon 1.4GHz to 1.6GHz I need to use 1.85V and 3.90V set in the BIOS. Checking the voltages I can't see much droop, so I can't understand what's going on. Here are the voltages reported by the system with and without overclocking: Without oc With oc 1.81 1.89 (Raised in bios from 1.75 to 1.85) 3.48 4.02 (Raised in bios from 3.40 to 3.90) 5.10 4.98 12.37 12.31 System: Motherboard Abit KT7A-RAID 2 x 256MB PC133 ram Gainward FX PowerPack! Ultra/1100 TV/DVI 128M (Nvidia fx 5900) Network card Sound card 2 x HDD 1 x CD burner. I'm kind of suspicious that the sentinel is actually complaining because the voltages are too high, or could it be the droop in the 5V line? Which voltages does the sentinel monitor and what are it's criteria for triggering a warning? I don't want to spend a packet on another (branded) psu without being sure this would solve things. Any help appreciated. Scrim |
#2
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"Scrim" wrote in message ... Overclocking my cpu, as the Windows XP desktop comes up I get warnings from the 'Nvidia System Sentinel' saying it's reducing my graphics card performance because the system isn't providing enough power. It repeats the message several times per second so I end up with tens or even hundreds of instances of this warning running and shown in the task bar. (I do have extra power to the video card plugged in). The only course open is to restart the computer and stop overclocking. I suggest you do a full electrical analysis of your PC, run in a vanilla state, to determine where your highest loads are. Use Motherboard Monitor as a powerful diagnostic tool, complete with optimizations and detailed reporting, to help you get more electrical data from your PC, the BIOS numebrs are not enough. http://mbm.livewiredev.com/ |
#3
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"Derek Wildstar" wrote in message news:NQvYb.344987$na.505335@attbi_s04... "Scrim" wrote in message ... Overclocking my cpu, as the Windows XP desktop comes up I get warnings from the 'Nvidia System Sentinel' saying it's reducing my graphics card performance because the system isn't providing enough power. It repeats the message several times per second so I end up with tens or even hundreds of instances of this warning running and shown in the task bar. (I do have extra power to the video card plugged in). The only course open is to restart the computer and stop overclocking. It could be that it just isnt getting enough from the agp slot regardless of the molex connector? Is there a setting in the bios to up the agp voltage? Tried running the pc with no usb devices, 1xcd, 1xhd and no other pci devices? chris |
#4
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"chris" wrote in message ... It could be that it just isnt getting enough from the agp slot regardless of the molex connector? This is a likely condition. Only MBM will tell for sure. Is there a setting in the bios to up the agp voltage? This is a KT133A chipset, obsolete and old. In that order. It is possible upping the AGP voltage would overcome the resistance of a weak trace, or failing component. Tried running the pc with no usb devices, 1xcd, 1xhd and no other pci devices? I suspect the 5900 is simply too much for the KT133 chipset and the AGP slot attacted to it. New mobo req. Agreed? |
#5
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"Derek Wildstar" wrote in message news:U2DYb.212047$U%5.1223172@attbi_s03... I suspect the 5900 is simply too much for the KT133 chipset and the AGP slot attacted to it. New mobo req. Agreed? I afraid I reckon that too. put a gf4ti** in it to play games. or stick a gf2 in it, use it as a server and build a new pooter around your fx5900!! ;-) chris |
#6
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"chris" wrote in message ... "Derek Wildstar" wrote in message news:U2DYb.212047$U%5.1223172@attbi_s03... I suspect the 5900 is simply too much for the KT133 chipset and the AGP slot attacted to it. New mobo req. Agreed? I afraid I reckon that too. put a gf4ti** in it to play games. or stick a gf2 in it, use it as a server and build a new pooter around your fx5900!! ;-) chris OK, thanks folks. I reckon it should be compatible though, so I think I'm going to have to try buying a pricey psu. Scrim |
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