eMAG PCI Express Root Port 4

PCI ID 1def:e009 · Ampere Computing, LLC

VendorAmpere Computing, LLC
Vendor ID1def
Device IDe009
Windows hardware IDPCI\VEN_1DEF&DEV_E009
Linux modaliaspci:v00001DEFd0000E009
Linux driverno driver with exact ID

Frequently asked questions

Which device has PCI ID 1def:e009?

PCI ID 1def:e009 is “eMAG PCI Express Root Port 4” made by Ampere Computing, LLC (vendor ID 1def, device ID e009).

Which Linux driver supports eMAG PCI Express Root Port 4?

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 eMAG PCI Express Root Port 4 is in my computer?

On Linux, lspci -nn | grep -i 1def:e009 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as PCI\VEN_1DEF&DEV_E009.

How do I see which driver is currently in use?

lspci -nnk -d 1def:e009 lists the device with a “Kernel driver in use” line showing the active driver.

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