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Pentek Model 78741 Installation Manual
Page 19
Rev.: 2.5
2.8
PCIe Carrier LEDs
The following paragraphs describe the LEDs, labeled
Dnn
on the solder side of the 7807
carrier PCB, that indicate power operating status for the board.
The following green LEDs indicate power applied to board resources.
LED
USE
D3
Green LED indicates the presence of +12V at the 6
−
pin PCIe Power Connector (J23)
D4
Green LED indicates the presence of +3.3V from the PCIe bus (motherboard)
D5
Green LED indicates the presence of +3.3V from the onboard Power Supply
D6
Green LED indicates the presence of +12V after the Fuse
F1
*
* If D3 is illuminated and D6 is not, this indicates the fuse
F1
is blown.
D5
D4
D3
D6
Figure 2
−
6: Model 7807 PCIe Carrier PCB Solder Side, LEDs
D5
D4
D3
D6