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Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Revision 1.22 (09-25-08) 154 SMSC LAN9420/LAN9420i
DATASHEET
Note 4.11 The default state of this field is dependant on the setting of the VAUXDET signal as noted
in the description.
1:0 Power Management State (PM_STATE)
This field sets the current PM state.
00b = D0
01b = RESERVED
10b = RESERVED
11b = D3
Operations that attempt to write a RESERVED setting to this field will
complete normally on the PCI bus; however D[1:0] are ignored and no state
change occurs.
R/W 00b
BITS DESCRIPTION TYPE DEFAULT