Information Technology Reference
In-Depth Information
Now that our front panel and case fans are connected to their respective
locations, we're ready to attach the big power cables to our motherboard.
They're big because they power not only the motherboard, but nearly every-
thing else connected to the computer, including disk drives, keyboards, mice,
and even headphones.
Powering the Motherboard
To deliver power from the PSU to the MOBO, we need to connect two main
power cables in between. The first connector we will plug in is the largest. It's
also the one with the most pins, the 24-pin ATX connector, as the next figure
shows.
Figure 34—The ATX power plug is a primary power connection between the power
supply and the motherboard. Note the USB 3.0 cable (from the USB ports on the front
of the PC case) below the ATX connector that we attached earlier.
Use the 24-pin ATX cable from the Corsair RM850 package to insert into the
ATX connector on the motherboard, as Figure 35, The ATX power cable
attached to the motherboard , on page 38 shows. While you could just let the
power cables freely lay on top of the MOBO, wire grommet openings have
been punched in the case explicitly for cable management. Use these grommets
to thread the power cables between the motherboard and the power supply.
 
 
 
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