2. Support the Industry-standard ExCA base-register set
| Required |
3. Maintain mapping of IRQ Routing Register bits to system interrupt vectors
| Required |
4. Support the industry-standard definition for CardBus bridges
| Required |
5. Support both ISA and PCI interrupts on CardBus controllers
| Required |
6. BIOS initializes CardBus controller in 82365-compatible mode and reports it as PNP0E03 for backward compatibility
| Recommended |
7. Writable PCI Configuration Space bits not shared by CardBus controllers
| Required |
8. Each R2 memory window in CardBus controller has it own page register
| Required |