Hardware classes — PCI

Class IDs describe function, not package compatibility. Many dataset device records do not carry a class; the scanner’s compatible IDs can supply that context.

Bridge

• 80 Bridge
• 00 Host bridge
• 01 ISA bridge
• 02 EISA bridge
• 03 MicroChannel bridge
• 04 PCI bridge
  • 00 Normal decode
  • 01 Subtractive decode
• 05 PCMCIA bridge
• 06 NuBus bridge
• 07 CardBus bridge
• 08 RACEway bridge
  • 00 Transparent mode
  • 01 Endpoint mode
• 09 Semi-transparent PCI-to-PCI bridge
  • 40 Primary bus towards host CPU
  • 80 Secondary bus towards host CPU
• 0a InfiniBand to PCI host bridge

Dataset: PCI ID Repository · 2026.10.01 · BSD-3-Clause · Source, license and limitations