Atikmdag patcher 1.4.12 | AMD/ATI Pixel Clock Patcher | Latest version | free Download
AMD/ATI Pixel Clock Patcher
AMD/ATI Pixel Clock Patcher modifies the AMD/ATI video driver to allow higher resolutions and refresh rates by removing the 165 MHz pixel clock limit for single-link DVI and HDMI, the 330 MHz limit for dual-link DVI, and the 400 MHz limit for VGA.
After unpacking the archive, run atikmdag-patcher.exe and press “YES”
Requirements:
- Windows Vista or later
- 5000-series GPU or newer
- CrossFire requirements:
- R9 285/290/290X/295X2 and newer cards can handle higher pixel clocks without CrossFire bridges.
- Older cards require two CrossFire bridges if the pixel clock is greater than 300 MHz. This is only possible with cards that have two connectors. It will not work properly with more than two cards. Dual-GPU cards such as the 7990 will not work properly at higher pixel clocks.
Compatibility:
- Version 1.4.12 Updated for 21.9.1/21.9.2. Fixed CrossFire limit.
- Version 1.4.10 is compatible with Catalyst 11.9 to Adrenalin 21.4.1. It can be used with future versions if it finds the limits you need.
- Version 1.4.9: Fixed HDMI-DVI limit for 20.11.2 and HBlank limit for 20.5.1.
- Version 1.4.8 is compatible with Catalyst 11.9 to Adrenalin 20.5.1. It can be used with future versions if it finds the limits you need.
Getting started:
- Run atikmdag-patcher.exe. (If you only need the BIOS signature patch, rename it to atikmdag-patcher-bios.exe first.)
- If all limits are found, click “Yes” to patch and sign. If a limit is not found or if multiple matches are found, the patcher needs to be updated.
- Reboot.
You can then add higher refresh rates using Custom Resolution Utility (CRU).
To restore the unpatched driver, run the patcher again and click “Yes” to restore from backup.
Unpatching is not required before upgrading drivers. Simply run the patcher again after installing the new driver.
Known issues:
- Legacy drivers may have issues with HDCP and video acceleration with the patch.
- Workarounds for video playback issues with legacy drivers:
- Disable hardware acceleration in the Flash Player settings (right-click on any Flash video and click “Settings…”).
- Use the Codec Tweak Tool to disable DXVA hardware acceleration under “Various Tweaks” (in the “Miscellaneous” section).
- Older cards require the “LCD standard” vertical blanking/total to reduce the memory clock when idle. Horizontal values can still be reduced if necessary. Newer cards can handle some lower values depending on the resolution and refresh rate.
- Older cards have a design limitation unrelated to the patch that causes video acceleration to scramble the screen if the vertical blanking/total is below standard with the video card’s memory overclocked or with multiple monitors connected. Skype is known to trigger this problem. Either don’t overclock the video card’s memory, or use the “LCD standard” vertical blanking/total in CRU.
Recent changes:
- 1.4.12: Updated for 21.9.1/21.9.2. Fixed CrossFire limit.
- 1.4.10: Updated for 21.4.1.
- 1.4.9: Fixed HDMI-DVI limit for 20.11.2 and HBlank limit for 20.5.1.
- 1.4.8: Updated for 20.5.1.
- 1.4.7: Find new SL-DVI/HDMI limit.
- 1.4.6: Find new HDMI-DVI limit.
- 1.4.5: Updated for 17.4.1. Find new DP-DVI/HDMI limit.
- 1.4.4: Find BIOS signature check.
- 1.4.3: Fixed HBlank limit for 16.12.1.
- 1.4.2: Find 56 horizontal blanking (HBlank) limit.
- 1.4.1: Fixed an issue that prevented the driver from loading correctly with earlier versions of Windows 10. This does not affect the anniversary update.
- 1.4.0: Updated for 16.9.1. Changed the way the driver is located and patched. Replaced 640×480 limit with low-resolution limit. Fixed VGA limit for 32-bit.
- 1.3.6: Find 10-resolution limit for Radeon Settings.
- 1.3.5: Updated for 15.11 Crimson. Find 640×480 limit for Radeon Settings.
- 1.3.4: Try to improve finding DVI/HDMI limit for newer drivers. Removed blue screen workaround for 14.6/14.7.
- 1.3.3: Updated for 15.3. Fixed DVI/HDMI limit for 32-bit.
- 1.3.2: Updated for 15.2. Fixed DVI/HDMI limit for 64-bit.
- 1.3.1: Find 297 MHz HDMI 1.3+ limits. Run 3 times to properly repatch an existing installation.
- 1.3: Removed blue screen workaround for 14.9. Fall back to self-signing if signing fails.
- 1.2.7: Attempt to work around some antivirus false positives. Repatching is not necessary.
- 1.2.6: Fixed AMD APP encoding for 14.6.
- 1.2.5: Updated for 14.6. Fixed TMDS and VGA limits. Implemented workaround for SYSTEM_SERVICE_EXCEPTION blue screens.
- 1.2.4: Updated for 14.4. Fixed SL limit on DL-DVI.
- 1.2.3: Updated for 13.30 and upcoming 14.x releases.
- 1.2.2: Find new HDMI limit for 12.9+.
- 1.2.1: Find 400 MHz VGA limit.
- 1.2: Test mode no longer required.
God thatnks, solved this problem, at last!
No problem buddy 🙂
any special requests, i mean dependencies for this?
not really, 2 hands, internet, computer,mouse,keyboard and like it says in description
Requirements:
Windows Vista or later
Graphics processor series 5000 or newer
Buenas. habra algo parecido para una GTX 1060 6GB? Aun no estoy seguro, estoy esperando que me llegue el nuevo micro para armar la nueva PC, pero con la vieja, al instalar la ultima version del driver (en el administrador de dispositivos), me aparece el nombre de la tarjeta grafica con el tipico simbolo de advertencia (triangulo con el signo “!”). Desde ya agradezco el aporte a la comunidad.
This is awesome. Pixel clock patcher solved a problem I had with a displayport to dual link DVI adapter that turned out to be single link DVI. The store gave wrong information. Because of that I could not get the resolution I wanted. I need 1640 × 2016 at 50 hz which requires a slightly higher pixelclock than the maximum of single link DVI. Now I can achieve the resolution through single link DVI. Pixel clock patcher has saved me from having to buy an expensive active converter or a new graphics card and I could still use the fake dual link adapter. Using the custom resolution utility I have even been able to increase the refresh rate to 60 hz, which is not withing the monitor’s spec. Thanks for making those tools available.
AMD/ATI Pixel Clock Patcher Works like a charm.Thanks!
First of all thank you for making this great tool, been using it a couple of years to run 96hz on my QX2710 without problems.
However I recently upgraded to a Ryzen 3600x with a b450 mobo, and ever since then the patch seems to reset on startup.
I couldn’t find this problem or a solution elsewhere, but after I restart I hear the windows disconnect and connect sound while my video driver presumably resets, screen going black. After that my OC is gone and when launching the patcher it says all limits are back. Using restart64 from CRU still works though.
Are you aware of any solution? thanks in advance
EDIT: Well you make one of these posts and suddenly end up fixing it in like 10 minutes, as far as I know turning off Windows Defender tamper protection has seemed to have fixed my problem :-). CRU and this patch are essential so to my PC so I very much appreciate your work!
thanks its working this code 43 is fixed