T404-BT Unified Wire Ethernet Controller
PCI ID 1425:400a · Chelsio Communications Inc
| Vendor | Chelsio Communications Inc |
|---|---|
| Vendor ID | 1425 |
| Device ID | 400a |
| Windows hardware ID | PCI\VEN_1425&DEV_400A |
| Linux modalias | pci:v00001425d0000400A |
| Linux driver | cxgb4 |
Frequently asked questions
Which device has PCI ID 1425:400a?
PCI ID 1425:400a is “T404-BT Unified Wire Ethernet Controller” made by Chelsio Communications Inc (vendor ID 1425, device ID 400a).
Which Linux driver supports T404-BT Unified Wire Ethernet Controller?
In Linux kernel 6.12 the device is bound to the driver cxgb4 (source under drivers/net/ethernet/chelsio/cxgb4). The driver is normally loaded automatically when the device is detected.
How do I check whether T404-BT Unified Wire Ethernet Controller is in my computer?
On Linux, lspci -nn | grep -i 1425:400a shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as PCI\VEN_1425&DEV_400A.
How do I see which driver is currently in use?
lspci -nnk -d 1425:400a lists the device with a “Kernel driver in use” line showing the active driver.
Nearby entries
- 4004 – T420-BCH Unified Wire Ethernet Controller
- 4005 – T440-BCH Unified Wire Ethernet Controller
- 4006 – T440-CH Unified Wire Ethernet Controller
- 4007 – T420-SO Unified Wire Ethernet Controller
- 4008 – T420-CX Unified Wire Ethernet Controller
- 4009 – T420-BT Unified Wire Ethernet Controller
- 400b – B420-SR Unified Wire Ethernet Controller
- 400c – B404-BT Unified Wire Ethernet Controller
- 400d – T480 Unified Wire Ethernet Controller
- 400e – T440-LP-CR Unified Wire Ethernet Controller
- 400f – T440 [Amsterdam] Unified Wire Ethernet Controller
- 4080 – T480-4080 T480 Unified Wire Ethernet Controller