Ab Connector Signal Descriptions; Network Controller Sideband Interface (Nc-Si) - ADLINK Technology COM Express Express-ID7 User Manual

Express-ID7 User's Guide

4.3. AB Connector Signal Descriptions

4.3.1

Network Controller Sideband Interface (NC-SI)

Name Pin #
NCSI_CLK_IN B91
NCSI_RXD[1:0] B92
B93
NCSI_TXD[1:0] B95
B96
NCSI_CRS_DV B94
NCSI_TX_EN A84
NCSI_RX_ER B89
B98
NCSI_ARB_IN
B99
NCSI_ARB_OUT
Note: NC-SI source from Intel® Ethernet Controller I210.
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Description
Clock reference for receive, transmit and control
interface
Receive Data (from NC to BMC)
Transmit Data (from BMC to NC)
Carrier Sense/Receive Data valid to MC, indicating
that the transmitted data from NC to BMC is valid
Transmit enable
Receive error
Network Controller hardware arbitration input
Network Controller hardware arbitration output
Copyright © 2022 ADLINK Technology, Inc.
I/O PU / PD Comment
I 3.3VSB PD 10K
O PU 10K PU 10K that aligns with LAN chip specification
3.3VSB 3.3VSB
I 3.3VSB PU 10K
3.3VSB
O PD 10K PU 10K that aligns with LAN chip specification
3.3VSB
I 3.3VSB PD 10K
O Not supported
3.3VSB
I 3.3VSB Left floating on module, that aligns with LAN chip
specification
O
3.3VSB
PICMG COM.0 R3.1