PCI Latency Timer guide:)
PCI Latency Timer guide:)
PCI Latency Timer is a setting related to CPU performance tuning. You mentioned adjusting it to 128, 64, or maxed out. It seems you've tested it in games like CS:GO, Crysis 3, and Skyrim without noticeable improvements. Consider checking your current settings, ensuring they match your hardware capabilities, and experimenting with different values to see if performance changes occur.
Determines the time each PCI device can maintain control on the PCI bus before another takes over. Raising it unnecessarily isn't useful unless you're encountering unusual issues. For details, see the Wikipedia page on conventional PCI.