PM8564 Switchtec PFX-L 64xG3 Fanout-Lite PCIe Switch

PCI ID 11f8:8564 · Microchip Technology

VendorMicrochip Technology
Vendor ID11f8
Device ID8564
Windows hardware IDPCI\VEN_11F8&DEV_8564
Linux modaliaspci:v000011F8d00008564
Linux driverno driver with exact ID

Frequently asked questions

Which device has PCI ID 11f8:8564?

PCI ID 11f8:8564 is “PM8564 Switchtec PFX-L 64xG3 Fanout-Lite PCIe Switch” made by Microchip Technology (vendor ID 11f8, device ID 8564).

Which Linux driver supports PM8564 Switchtec PFX-L 64xG3 Fanout-Lite PCIe Switch?

Linux kernel 6.12 lists no driver for this exact ID. Many devices are still supported through their device class, such as AHCI, NVMe, xHCI or HD Audio controllers; others need a vendor driver. Overview of device classes and their drivers

How do I check whether PM8564 Switchtec PFX-L 64xG3 Fanout-Lite PCIe Switch is in my computer?

On Linux, lspci -nn | grep -i 11f8:8564 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as PCI\VEN_11F8&DEV_8564.

How do I see which driver is currently in use?

lspci -nnk -d 11f8:8564 lists the device with a “Kernel driver in use” line showing the active driver.

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