SMSC LAN9420 - Manual (Page 139)

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
SMSC LAN9420/LAN9420i 139 Revision 1.22 (09-25-08)
DATASHEET
4.5.4 PHY Identifier 2
Index (In Decimal): 3 Size: 16 bits
BITS DESCRIPTION TYPE DEFAULT
15:10 PHY ID Number b
Assigned to the 19th through 24th bits of the OUI. R/W
C0C3h
9:4 Model Number
Six-bit manufacturer’s model number. R/W
3:0 Revision Number
Four-bit manufacturer’s revision number. R/W