
Preface AM4901
Page iv ID 1022-5813, Rev. 1.0
P R E L I M I N A R Y
2.1.2 Fabric [A] Switch .............................................................................2 - 3
2.2 Board Interfaces ......................................................................................2 - 4
2.2.1 Front Panel LEDs ............................................................................2 - 4
2.2.2 Module Handle ................................................................................2 - 6
2.2.3 General Purpose DIP Switch ..........................................................2 - 7
2.2.4 Debug Interface ...............................................................................2 - 7
2.2.5 Serial Ports ......................................................................................2 - 7
2.2.5.1 Management Serial Port .........................................................2 - 7
2.2.5.2 MCH Cross-Over Channel Interface .......................................2 - 8
2.2.6 Ethernet Interfaces ..........................................................................2 - 8
2.2.6.1 Management Ethernet Interface (10Base-T) ..........................2 - 8
2.2.6.2 Uplink Ethernet Port (1000Base-T) .........................................2 - 9
2.2.7 MCMC Reset ...................................................................................2 - 9
2.3 MCH Interconnection .............................................................................2 - 10
2.3.1 Fabric Interface .............................................................................2 - 10
2.3.2 IPMB-L Interface ...........................................................................2 - 10
2.3.3 Inter-MCH IPMB-L Interface ..........................................................2 - 10
2.3.4 IPMB-0 Interface ...........................................................................2 - 10
2.3.5 MCH Update Channel Interface ....................................................2 - 11
2.3.6 MCH Cross-Over Channel Interface .............................................2 - 11
2.3.7 MCH PWR_ON Interface ..............................................................2 - 11
2.3.8 JTAG Interface ..............................................................................2 - 11
2.3.9 Pinout of MCH Card-edge Connector J1 ...................................... 2 - 11
3. Installation ................................................................................ 3 - 3
3.1 Safety Requirements ...............................................................................3 - 3
3.2 Module Handle Positions .........................................................................3 - 4
3.3 Hot Swap Procedures ..............................................................................3 - 5
3.3.1 Hot Swap Insertion ..........................................................................3 - 5
3.3.2 Hot Swap Extraction ........................................................................3 - 6
4. Configuration / Power / Thermal ............................................ 4 - 3
4.1 Configuration ...........................................................................................4 - 3
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