DFI CS65-SC User Manual page 45

2.10.19 DIMM/PCI Standby Power LED
DIMM Standby Power LED
PCI Standby Power LED
3.3VSB Standby for PCI (Jumper J18)
Important:
Lighted LEDs serve as a reminder that you must power-off the
system then turn off the power supply’s switch or unplug the
power cord prior to installing any DIM modules or add-in cards.
Hardware Installation
2