27  PCIe Connector 6 28  Front Backplane Power Connector
29  Power Supply 2 Connector 30  3V Battery (CR2032)
31  Riser 2 slot
System board LEDs
The illustration in this section shows the LEDs on the system board.
Figure 11. System board LEDs
Table 19.  LEDs on the system board
Callout Callout
1  System error LED  2  System ID LED
3  FPGA error LED 4  FPGA power LED
5  FPGA heart beat LED 6  BMC heart beat LED
1  System error LED
When this yellow LED is lit, one or more LEDs elsewhere in the server might also be lit to direct you to the 
source of the error. For more information, see “Rear view LEDs” on page 43.
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ThinkSystem SR630 V2 Maintenance Manual