Chapter 5: Advanced Serverboard Setup
Power Fail Detect
Connect a cable from your power supply to the Power Fail header (JP9) to provide warning of power supply failure. This warning sig- nal is passed through the PWR_LED pin to indicate on the control panel that a power supply has failed. See the table on the right for pin definitions.
Power Fail
Pin Definitions (JP9)
Pin | Definition |
Number | |
1 | P/S 1 Fail Signal |
2 | P/S 2 Fail Signal |
3 | P/S 3 Fail Signal |
4 | Reset (from MB) |
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Note: This feature is only available when
using redundant Supermicro power supplies.
SMB (I2 C) Connector
An I2C connector at J11 (located near the battery on the X6DHR- 8G2 and near the IPMI header on the
SMB PWR
Pin Definitions (J27)
Pin # | Definition |
1 | Clock |
2 | SMB Data |
3 | N/A |
4 | N/A |
5 | N/A |
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Overheat LED (JOH1)
Connect an LED to the JOH1 header to provide warning of chassis overheating. See the table on the right for pin defini- tions.
Overheat LED
Pin Definitions (JOH1)
Pin
Number Definition
1+5V
2OH Active
GLAN1/2 (Ethernet Ports)
Two gigabit Ethernet ports (desig- nated GLAN1 and GLAN2) are lo- cated on the I/O backplane. These ports accept RJ45 type cables.
