Gamer24H | Nathan Mitchell | Activity https://gamer24h.com/members/frag-nathan/activity/ Activity feed for Nathan Mitchell. Sun, 25 Oct 2026 03:49:29 +0000 https://buddypress.org/?v= en-US 30 hourly 2 1f1557cbdcc401fcda3e3668bb0059fd Nathan Mitchell replied to the topic Direct Drive Wheelbases & Force Feedback Tuning in the forum Sim Racing & Driving Mechanics https://gamer24h.com/forum/topic/direct-memory-access-dma-pci-e-hardware-cheats-and-iommu-defense-edge-cases-failure-modes-and-root-cause-debugging/ Sat, 24 Oct 2026 16:30:14 +0000 Hey everyone, just wanted to circle back and say a huge thanks — I followed the advice and changed that BIOS setting (I had IOMMU disabled on my rig thinking it’d help with my capture card, but it was actually the root of the instability). Fra…

]]> 1ba52d79b499966ee4182c7271227b29 Nathan Mitchell started the topic Direct Memory Access (DMA) PCI-e Hardware Cheats and IOMMU Defense: Edge Cases, Failure Modes, and Root-Cause Debugging in the forum Direct Drive Wheelbases & Force Feedback Tuning https://gamer24h.com/forum/topic/direct-memory-access-dma-pci-e-hardware-cheats-and-iommu-defense-edge-cases-failure-modes-and-root-cause-debugging/ Wed, 14 Oct 2026 17:42:28 +0000 I’ve been chasing a persistent false-positive issue with our IOMMU-isolated build and want to hear how others are handling it. We’re using a PCIe DMA capture card feeding a low-latency memory-scanning rig, but under sustained GPU load we…

]]>