PCI class 06: Bridge
Bridge
| Code | 06 |
|---|---|
| Name | Bridge |
| Subclasses | 12 |
| Class drivers (Linux) | yenta_socket |
Frequently asked questions
What is a PCI device of class 06 (Bridge)?
Class 06 stands for “Bridge”. It has 12 subclasses, for example Host bridge, ISA bridge and EISA bridge.
Which Linux drivers handle Bridge?
In Linux kernel 6.12 these drivers bind to devices by class, regardless of vendor: yenta_socket (06:07:00).
How do I find the class of a PCI device?
On Linux, lspci -nn shows the class in square brackets before the name, e.g. [0106]. On Windows it appears in the hardware IDs as PCI\CC_06XX.
Subclasses
| Code | Name | Programming interfaces | Class drivers (Linux) |
|---|---|---|---|
06:00 | Host bridge | ||
06:01 | ISA bridge | ||
06:02 | EISA bridge | ||
06:03 | MicroChannel bridge | ||
06:04 | PCI bridge | 00 Normal decode01 Subtractive decode | |
06:05 | PCMCIA bridge | ||
06:06 | NuBus bridge | ||
06:07 | CardBus bridge | yenta_socket | |
06:08 | RACEway bridge | 00 Transparent mode01 Endpoint mode | |
06:09 | Semi-transparent PCI-to-PCI bridge | 40 Primary bus towards host CPU80 Secondary bus towards host CPU | |
06:0a | InfiniBand to PCI host bridge | ||
06:80 | Bridge |