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- 19.10.2016
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Varmaan sitten perus troubleshootingia että onko uusin firmware ja tästä linkistä vähän checklistiä että kaikki tähdet on kohdallaan. Eli onko varmasti sensori kiinni USB3 portissa ja XHCI interrupt moodissa. Eihän CPU rajoita. Eihän mikään muu laite vie sen saman USB3 controllerin kaistaa, jne jne.Laitoin maksimiin ei vaikutusta.
Logitech G Pro X Superlight 2 Review - Updated with 8000 Hz Tested
Logitech thoroughly updates their G Pro X Superlight: new hybrid optical switches are used for the main buttons, coupled with the latest HERO 2 sensor and true 8000 Hz wireless polling. Charging is now possible through USB Type-C, and Logitech advertises up to 100 hours of battery life.
Within the software, polling rates of 125, 250, 500, 1000, 2000, 4000 or 8000 Hz are available. However, it is important to note that those values merely denote the maximum applicable polling rate. If the mouse isn't physically moved enough to generate a sufficient number of motion events (for 8000 Hz at least 8000 pixels worth of motion per second), fewer updates will be transmitted, resulting in a lower effective polling rate. Accordingly, it is strongly recommended to use a sufficiently high CPI step in conjunction with the Pro X Superlight 2. I would advise using at least 1600 CPI, and possibly even higher steps depending on one's effective in-game sensitivity (turn circumference). The higher the turn circumference, the more physical motion is typically generated, and thus lower CPI is required to saturate the polling rate. Conversely, the lower the turn circumference, the less physical motion is generated, and thus higher CPI is required to saturate the polling rate. On the Pro X Superlight 2, there is no smoothing across the entire CPI range, so any value can be used without a latency penalty.
In order to get the full benefit out of 8000 Hz polling, certain conditions need to be met. First, it is recommended to have a sufficiently powerful CPU; i.e., one with six physical cores and appropriately high IPC at the least. Second, the OS has to be capable of interrupt moderation of 125 μs or lower. This is true of Windows 8 or higher, where interrupt moderation on XHCI will typically be 50 μs, but not of Windows 7 and lower, where interrupt moderation is never below 1 ms unless changed manually, which isn't easily done. On EHCI, interrupt moderation can be expected to be 125 μs on Windows 8 or higher, which is sufficient but not optimal. Third, it is therefore recommended to plug the Pro X Superlight 2 into a USB 3.x port in XHCI mode. Any USB 3.x ports forced into EHCI will behave similarly to a native USB 2.0 port. As a general rule of thumb, one should be using a USB port native to the CPU and not connect any other high-polling devices to a port of the same hub. Even if all of these conditions are met, actual polling stability during higher workloads will further depend on general system and OS health. As such, it is recommended to use a reasonably optimized OS installation without bloat in conjunction with the Pro X Superlight 2.