Altra PCI Express Root Port a0

PCI ID 1def:e101 · Ampere Computing, LLC

VendorAmpere Computing, LLC
Vendor ID1def
Device IDe101
Windows hardware IDPCI\VEN_1DEF&DEV_E101
Linux modaliaspci:v00001DEFd0000E101
Linux driverno driver with exact ID

Frequently asked questions

Which device has PCI ID 1def:e101?

PCI ID 1def:e101 is “Altra PCI Express Root Port a0” made by Ampere Computing, LLC (vendor ID 1def, device ID e101).

Which Linux driver supports Altra PCI Express Root Port a0?

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 Altra PCI Express Root Port a0 is in my computer?

On Linux, lspci -nn | grep -i 1def:e101 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as PCI\VEN_1DEF&DEV_E101.

How do I see which driver is currently in use?

lspci -nnk -d 1def:e101 lists the device with a “Kernel driver in use” line showing the active driver.

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