Intel 82801 Pci Bridge -

Use the command lspci -k to see if a kernel driver is currently managing the bridge; often, it will report "no driver in use," which is actually normal for bridges. Unable to identify the correct driver for 82801 PCI Bridge

The "82801" prefix refers to the general ICH line, but the letter/number at the end (e.g., 244E or 2448) tells you which generation of Southbridge you have: intel 82801 pci bridge