Supermicro SC745S2-800VB, User Manual

Page: 42 / 104

Chassis Manual
5-18
Power Supply Connections
Connect each of the following cables, as required, by your motherboard manu-
facturer. In some instances, some cables may not need to be connected. Some
cables may not be available with your model.
Power Supply Cable
Name
Num-
ber
Connects
to:
Description
20-pin or 24-pin
power cable
1
mother-
board
20-pin or 24-pin power cable provides
electricity to the motherboard. Has 20 -
24 yellow, black, gray, red, orange, green
and blue wires.
HDD (Hard Drive)
power cable
2 backplane
Each cable has 3 connectors (two Hard
Drive [HDD] and one Floppy Drive
[FDD]). Attach the HDD connectors
to the backplane.
If you are using a
SuperMicro backplane, the FDD con-
nector does not need to be attached.
8-pin mother-
board cable
1
mother-
board
Provides power to the motherboard CPU.
This cable has 2 black and 2 yellow
wires.
4-pin mother-
board cable
1
mother-
board
Provides power to PCI expansion card.
This cable has 2 black and 2 yellow
wires.
5-pin SMBus
power cable
(small)
1
mother-
board
Allows the SM (System Management)
Bus to monitor power supply
2-pin INT cable 1
mother-
board
Intrusion detection cable allows the sys-
tem to log when the server chassis has
been opened.