Description of the illustration l207_289.png
Byte 0: Reserved
Byte 1: Phy Identifier
Byte 2 to 3: Descriptor Length
Byte 4 to 7: Programmed Phy Capabilities
Byte 8 to 11: Current Phy Capabilities
Byte 12 to 15: Attached Phy Capabilities
Byte 16 to 17: Reserved
Byte 18: Reserved Bit 7 to 5, Neg. SSC Bit 4, Negotiated Physical Link Rate Bit 3 to 0
Byte 19: Reserved Bit 7 to 1, Hardware Muxing Bit 0