1 Capabilities with partial decoding:
2 - PCIe 2nd set of control/status registers
5 Capabilities with no decoding:
8 - CompactPCI central resource control
11 - Advanced Error Reporting (ext'd)
12 - Virtual Channel (ext'd)
13 - Power Budgeting (ext'd)
14 - Root Complex * (ext'd)
15 - Multi-Function Virtual Channel (ext'd)
16 - Root Bridge Control Block (ext'd)
17 - Access Controls (ext'd)