SMSC LAN9420 - Manual (Page 141)

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