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Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
SMSC LAN9420/LAN9420i 137 Revision 1.22 (09-25-08)
DATASHEET
4.5.2 Basic Status Register
Index (In Decimal): 1 Size: 16 bits
BITS DESCRIPTION TYPE DEFAULT
15 100BASE-T4
1 = T4 able, 0 = no T4 ability
RO 0b
14 100BASE-TX Full Duplex
1 = TX with full duplex, 0 = no TX full duplex ability.
RO 1b
13 100BASE-TX Half Duplex
1 = TX with half duplex, 0 = no TX half duplex ability.
RO 1b
12 10BASE-T Full Duplex
1 = 10Mbps with full duplex 0 = no 10Mbps with full duplex ability
RO 1b
11 10BASE-T Half Duplex
1 = 10Mbps with half duplex 0 = no 10Mbps with half duplex ability
RO 1b
10:6 RESERVED RO -
5 Auto-Negotiate Complete
1 = auto-negotiate process completed 0 = auto-negotiate process not
completed
RO 0b
4 Remote Fault
1 = remote fault condition detected 0 = no remote fault
RO/LH 0b
3 Auto-Negotiate Ability
1 = able to perform auto-negotiation function 0 = unable to perform auto-
negotiation function
RO 1b
2 Link Status
1 = link is up, 0 = link is down
RO/LL 0b
1 Jabber Detect
1 = jabber condition detected 0 = no jabber condition detected
RO/LH 0b
0 Extended Capabilities
1 = supports extended capabilities registers 0 = does not support extended
capabilities registers.
RO 1b