- Standard Microsystems Single-Chip Ethernet Controller Specification Sheet

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
SMSC LAN9420/LAN9420i 141 Revision 1.22 (09-25-08)
DATASHEET
4.5.6 Auto Negotiation Link Partner Ability
Index (In Decimal): 5 Size: 16 bits
BITS DESCRIPTION TYPE DEFAULT
15 Next Page
1 = next page capable, 0 = no next page ability. This device does not
support next page ability.
RO 0b
14 Acknowledge
1 = link code word received from partner 0 = link code word not yet received
RO 0b
13 Remote Fault
1 = remote fault detected, 0 = no remote fault
RO 0b
12 RESERVED RO -
11:10 Pause Operation
00 No PAUSE supported by partner station
01 Symmetric PAUSE supported by partner station
10 Asymmetric PAUSE supported by partner station
11 Both Symmetric PAUSE and Asymmetric PAUSE supported by partner
station
RO 00b
9 100BASE-T4
1 = T4 able, 0 = no T4 ability
RO 0b
8 100BASE-TX Full Duplex
1 = TX with full duplex, 0 = no TX full duplex ability
RO 0b
7 100BASE-TX
1 = TX able, 0 = no TX ability
RO 0b
6 10BASE-T Full Duplex
1 = 10Mbps with full duplex
0 = no 10Mbps with full duplex ability
RO 0b
5 10BASE-T
1 = 10Mbps able, 0 = no 10Mbps ability
RO 0b
4:0 Selector Field
[00001] = IEEE 802.3
RO 00001b