Appendix D. Class Codes
This appendix lists the class codes, sub-class codes, and programming interface byte definitions currently provided in the 2.3 PCI specification.
Figure D-1. Class Code Register
| Class | Description |
|---|---|
| 00h | Function built before class codes were defined (in other words: before rev 2.0 of the PCI spec). |
| 01h | Mass storage controller. |
| 02h | Network controller. |
| 03h | Display controller. |
| 04h | Multimedia device. |
| 05h | Memory controller. |
| 06h | Bridge device. |
| 07h | Simple communications controllers. |
| 08h | Base system peripherals. |
| 09h | Input devices. |
| 0Ah | Docking stations. |
| 0Bh | Processors. |
| 0Ch | Serial bus controllers. |
| 0Dh | Wireless controllers. |
| 0Eh | Intelligent ... |
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