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davros303

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Everything posted by davros303

  1. Hi all, Hoping someone can assist with the diagnostic process using Windows Assessment Console. I have researched and implemented dozens of Windows 10 tweaks to disable non essential features and processes, installed latest drivers for all components, but nothing has shifted. The 1394ohci driver for my PCI-E firewire card consistently appears at the top of the list. I've scoured the web and it appears there are no official Windows 10 updates for the driver for the Texas Instruments chipset (the current driver I'm running is dated 2006). The other common culprits are dxgkrnl.sys and nvlddmkm.sys (both related to Direct X and NVidia graphics drivers I believe). Cheers, Davros
  2. Oh - the other thing I did was install everything "lean". I did not install the AI utilities for Asus, after you said you spotted the AiCharger.sys misbehaving. I also only installed the graphics drivers for the GPU - not PhysX, or 3D etc etc.
  3. Hi Andre, Well I seem to have finally fixed my endless DPC problems. I performed a fresh install of Windows 7 and carefully installed all drivers and updates for everything in the following order: - Asus motherboard drivers - Flashed the BIOS and reinstalled latest vers. - AMD CPU drivers - All Windows 7 important updates incl SP1 - GPU drivers - and lastly, the drivers for the external firewire audio device. Hardware wise, I changed the slot that the GPU was installed on. I had it in PCI slot 3, and on reading the manual, they recommended slot 1 for the GPU. I also removed an Astrotek PCI firewire adapter card which was not being used. Something in that mix of changes was the secret sauce to fixing the DPC problems. Now I can run video, audio, flick between screens rapidly at any resolution and DPC never peaks above about 153. I've even still got aero running. I've got fingers and toes crossed that this remains stable, but this is the first time I've ever had Win 7 so calm since first installing it 18 months ago. I was never able to install and run my audio production software through Windows 7 due to these issues and had a dual boot machine so I could run XP side by side. Now I'm going to give it another go and see if I can run everything inside the one O/S. Many thanks for all your help Andre. Really appreciate it.
  4. Hi Andre, I'm running the latest Asus drivers for that mobo. The AI utility is an "optional" add-on to optimise settings etc which loads automatically at startup. I'll try uninstalling it and see what happens. All the best, David
  5. Hi again Andre, I just disconnected and uninstalled the driver software for the Focusrite Saffire and the same intermittent DPC spikes are occuring, USBPORT.SYS seems to be doing the dirty work here. http://www.mediafire.com/?q2mrrs9bwztsc7y Going to try swapping usb ports for the various peripherals. By the way, how do you configure settings to get that particular view from the performance toolkit that you've been posting screenshots of? eg: where you idenfied the Saffire.sys reference. All the best, Davros
  6. Wow, they were the only drivers I hadn't installed. Big thanks! The DPC is much better, but still spiking into the red on DPC latency checker every few seconds. The new culprits seem to be Wdf01000.sys (FxDpc:FxDpcThunk) and nvlddmkm.sys (0xfffff88011186128). What's misbehaving now? http://www.mediafire.com/?qob0e3k3h0ihgnq Cheers, Davros
  7. Hi Andre, Much appreciated. http://www.mediafire.com/?y1ij18z912af58d Asus got back to me and simply said, "talk to Microsoft". Thanks Asus. Cheers, David
  8. Hi Andre, No I don't have a RAID setup - using 3 separate drives - an internal IDE HDD, an SSD and an external drive connected via SATA. I checked in the BIOS and the SATA ports are all set to AHCI, and I couldn't find any other options to enable or disable RAID. Are there settings in the device manager or switches in the registry I need to change? All the best, David
  9. Hi Andre & all, I've been searching for weeks to get a solution to bad latency issues causing static audio pops, dropouts and freezes in Win7 I even bought a brand new motherboard hoping to fix my latency issues, only to find them much worse with the new board! storport.sys is now the main culprit which I isolated in LatencyMon. Finally discovered this forum & thread. Andre - followed your instructions and discovered storport.sys "RaidAdapterTimerDpcRoutine" is the culprit, with a max actual duration of over 51ms per spike. However now that I've located the problem - what can I do about it? I've searched for a long time for any kind of update or fix or revision or driver rollback for storport.sys. System is: Windows 7 64bit SP1 Asus Sabertooth 990FX mobo AMD Phenom II X6 1090T black 8gig ram Have installed all latest drivers from Asus including latest BIOS, latest drivers for the GFX card etc and all the Win7 updates including SP1. Cheers from Australia, David
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