ET/TX Ethernet [pegasus]

USB ID 04bb:0904 · I-O Data Device, Inc.

VendorI-O Data Device, Inc.
Vendor ID04bb
Device ID0904
Windows hardware IDUSB\VID_04BB&PID_0904
Linux modaliasusb:v04BBp0904
Linux driverpegasus

Frequently asked questions

Which device has USB ID 04bb:0904?

USB ID 04bb:0904 is “ET/TX Ethernet [pegasus]” made by I-O Data Device, Inc. (vendor ID 04bb, device ID 0904).

Which Linux driver supports ET/TX Ethernet [pegasus]?

In Linux kernel 6.12 the device is bound to the driver pegasus (source under drivers/net/usb). The driver is normally loaded automatically when the device is detected.

How do I check whether ET/TX Ethernet [pegasus] is in my computer?

On Linux, lsusb -d 04bb:0904 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_04BB&PID_0904.

How do I see which driver is currently in use?

lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.

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