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1. RAN WORLD GS LAG WINDOWS 10 DRIVERS
2. RAN WORLD GS LAG WINDOWS 10 UPDATE
3. RAN WORLD GS LAG WINDOWS 10 DRIVER
4. RAN WORLD GS LAG WINDOWS 10 ARCHIVE

Maybe that could be reported to Intel somewhere?

RAN WORLD GS LAG WINDOWS 10 DRIVER

Kinda frustrating since the driver provided with Windows is so old (and has bugs like this). I tried that, but the driver is mis-labeled and half-baked - the driver INF provided with the 14.x versions only includes a text description for the 4965AGN, but no actual installer section for it (VEN_8086&DEV_4229). DPC latency shot through the roof.Įven the mouse cursor started to get jerky.īut it all seems to be related to ndis.sys, which has the highest latency spikes in the log. "N" wireless connection moving at ~10MB/s (if it doesn't get hung up in latency).

RAN WORLD GS LAG WINDOWS 10 ARCHIVE

Out of curiosity, I tried putting some network activity in the background - extracting a 2gb archive with WinRAR from my server (Windows Home Server 2011) to the system desktop, with a 5GHz ndis.sys was the only thing that looked a bit out of line with its handful of 512-10-4096usec entries.ĭPC log (.txt) - just sitting idle with the trace CMD window open Sadly, I didn't find anything standing out.

I installed the chipset software, but as expected (Intel writes that the only thing the chipset installer does is put correct names on the chipset components, sadly), it didn't have an effect on the DPC problem. That's definitely the most useful set of replies I've ever had from someone in the MS forum - thanks!! I'm kinda used to seeing "try rebooting" style answers )

RAN WORLD GS LAG WINDOWS 10 UPDATE

* - nVidia GPU doesn't have a driver available on Windows Update, but the driver from the Windows Update Catalog for Windows 7 and VEN_10DE&DEV_0298 works flawlessly. SigmaTel audio, O2Micro Smartcard reader, Ricoh 1394 and Flash media interface, Synaptics touchpad, Conexant HDA modem Intel 4965AGN wireless adapter, Broadcom NetXtreme 57xx LAN Intel i945PM northbridge/82801GHM (ICH7-M) southbridgeĢGB RAM (DDR2 dual-channel), 120gb HDD (SATA) Nothing even affected it.Ĭan someone else out there running Windows 8 run DPC Latency Checker and see if they have the same problem? Also tried disabling processor power management ("update driver" on CPU, to "Processor" driver instead of "Intel Processor"). Tried uninstalling Dell QuickSet, as I found that interfacing with the Dell subsystems tends to add DPC lag. Nothing, nothingĪt all, reduced the DPC latency.

RAN WORLD GS LAG WINDOWS 10 DRIVERS

I went back and dug through Windows 8, disabling EVERY device in the system - sound, modem, media cards, USB, network (wireless and wired), display, etc., as well as listing all kernel drivers and "sc stop"'ing the ones I saw were third-party. DPC latency was down to a more usual level - between 200 and 500us, with occasional spikes However, to test the cause, I popped in a new hard drive and installed Windows 7, clean install, with just basic Windows Update drivers installed (video, net, etc). Machine from a network (wireless) location, every single check came back 20-50+ms. It regularly spikes up in the 2-3ms (2,000-3,000us) range, and often spikes into the 20-30ms (!) range during processing. On Windows 8, it reports DPC latency of 1000us (1ms) at the very lowest. The only tool I'm aware of to test DPC latency is literally called "DPC Latency Checker" (search it, it's very popular). Latency spikes can cause laggy, slow performance, audio glitches/stuttering, etc. If there's a hardware driver using a DPC outside of MS's specs for drivers (which say that the DPC shouldn't be used to transfer data, and to return as quickly as possible - e.g. Is done in real-time as well - the mouse driver uses a DPC to move the cursor around. Playing music needs to keep the audio buffer filled in real-time. For example, drawing a video frame on a screen needs to be done as soon as the data is ready and the frame time is reached.

Hang the whole computer until they get processed. Deferred procedure calls (DPCs) allow programs to "queue" actions to be done quickly in the processor scheduler, and they ĭPC latency, which (for the uninitiated) basically is how fast the "needs to be processed as fast as possible" tasks in a PC are run.

among many other Windows 8 problems I've run into so far.