Limited automatic voltage control to 1.125v to prevent the card always having max volts thrown at itĮnabled vdroop compensation for the NCP controller your card has with +25mv compensation Changes are extensive.Īdded manual voltages for better power efficiency 975 and see how much I can further tighten the timings here is a modded vBIOS you can try. I have also seen people raise vddci up to 1150mv maybe I will push more but for the time being I will stay at. Now the most important mod i want to achieve is to raise the switching frequency to 1mhz I know it will destroy efficiency and raise heat but I dont mind. This can happen even if no errors are detected with hwinfo. For example if after stress testing there is more than 1-2 GB/s divergence from initial run it means you are unstable and performance will be worse. I have also found that testing must be extensive even if no errors are detected with hwinfo, the memory can still be unstable, the best method I have found is this : 1) Restart and run poclmembench, write down speed 2) 1 hour superposition check hwinfo for errors 3) Finally recheck with poclmembench to see if the speed is maintained. 975 vddci but I still cant hit 2250 with tight timings. I changed that and also after uninstalling driver with ddu and clean installing the problem is gone.Īlso I tried. It was the fifth entry I hadn’t changed, that caused it. Just a quick update I Managed to fix the random no boot issue. 975 Perhaps I will try changing it with SRBPolaris PS: I lost my previous account and cant recover itĮdit: tried 2250mhz it gives me errors but doesnt hardcrash as the stock bios, which means vddci defeneately stabilizes memory. I really want to keep my vddci upped because in my case it does make the straps more stable and don’t think it will cause harm at such Can you take a look again and please rescue me? I would appreciate if you can provide me with a bios which uses original minimum voltage and VDDCI. That is when the card is in the lower power states (300mhz core 300memory) so it can be voltage related either that… or I have messed the bios with the vddci partial change. I have also noticed an occasional artifact, core related style i think while browsing on the internet. I am not sure if this happens because I haven’t changed all entry points or because the lower 700mv idle core minimum voltage you have set in the bios (I have based my changes on your modded bios). I can however confirm that my VDDCI has changed with Aida64. I now run a bios which has only the three first ones changed however sometimes(occasionaly) my pc won’t boot and I must hit the restart switch. If i change all five my card gets bricked… No boot whatsoever. I searched for B603 entry’s in Hxd and replaced them (paste write) with C5 03 however there are five entrys on my bios and not four as per guide (three are on the same line and the other two are different). I couldn’t do that before … Performance has never been so great maybe I will even try 2250. 965 and can run my gpu stable without hwinfo errors (tested extensively for 1hour with superposition and some msfs 2020) at 2200 even with your original tight suggested strap. I have played with VDDCI and can say that in my case, its not a myth that helps with overclocking. Copy the downloaded app files in (2) above to your MilkyWay project folder (eg, C:\ProgramData\BOINC\projects\milkyway.cs.rpi.After some more tinkering in my free time I am back here again to report my results. (protected off may be the default in 6.4.x and later, it's on by default in 6.2.x and earlier)Ħ. Make sure the install does not have the protected install set on. Install latest version of BOINC, if already not done so. Power up PC, use the downloaded drivers to install the ATI card.ĥ. Download the apps for ATI 0.19 from zslipĤ. Download the Catalyst drivers - see where it says 'find a driver' against the ATI cards in zslipĢ. It might help to spell out the steps to install the card ġ. I have just got the drivers through your post about zslip (doing the same but for vista) As you have confirmed me that it works under XP pro 32, may be he is wrong (possibly with the drivers). That guy said to me that it had tested the application unger Vista 32 and under XP 32 and they didn't work.
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