-- some extended capabilities are currently only partially decoded
-- finish PCI-X 2.0 capabilities
-- finish PCI Express support
-- reading of VPD
+Capabilities with no decoding:
+- CompactPCI hot-swap
+- CompactPCI central resource control
+- AGP3
+- Secure device
+- Power Budgeting (ext'd, needs write access to enumerate)
+- Root Complex * (ext'd)
+- Multi-Function Virtual Channel (ext'd)
+- Root Bridge Control Block (ext'd)