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Usb: Device-vid-1f3a-pid-efe8- Windows 11

| Field | Value | |-------|-------| | VID | 1F3A | | PID | EFE8 | | USB Class | Likely Vendor-Specific (0xFF) | | Chipset | Cypress CY7C68013A (FX2LP) | | Common Products | Saleae Logic (older), DSLogic Basic/Plus, USBee AX/DX/ZX |

Note: VID 1F3A is not publicly registered to a single well-known vendor in the official USB-IF list, but it is strongly associated with open-source hardware tool vendors and logic analyzer manufacturers (e.g., Saleae historically used this for FX2LP-based products before moving to custom hardware).

If using a downloaded INF/driver package:

Restart Windows after driver install.

Sometimes, the root cause is not the FocalTech device but your motherboard’s USB hubs. Outdated chipset drivers cause improper voltage negotiation. usb device-vid-1f3a-pid-efe8- windows 11

Windows 11 enforces driver signature enforcement (more strict than Win10).

Recommendation: Use WinUSB + open-source software (PulseView/Sigrok) to avoid unsigned driver issues. | Field | Value | |-------|-------| | VID

Windows 11 has aggressive power management for USB devices. This can cause legacy chips like the FocalTech one to enter a low-power state and never wake up.

Disable USB Selective Suspend:

Registry Fix for Enhanced Power Management:

When connecting the device to a Windows 11 PC, it may: Note: VID 1F3A is not publicly registered to