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Each wire carries a different voltage.

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Q: Why does the cable from the power supply to the motherboard have different colored wires?
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Related questions

What is the purpose of a power cable?

To provide power to the power supply which in turn powers the motherboard.


What is Output voltages of at and atx smps?

The ATX power supply and AT power supply had different connections for the computer motherboard. Also the ATX power supply had provision for some parts of the power supply to be switched on-and-off by the electronics on the motherboard, possibly under the control of software. With an AT power supply it necessary for the user to physically operate a switch. This control feature means that a computer that has an ATX power supply can provide, for example, a "wake-on-LAN" or "wake-on-modem" feature whereby the computer will switch itself on if their a signal on the ethernet cable or modem cable. If necessary it should be possible to adapt an ATX power supply to replace an AT power supply. This could be done by finding an adapter cable. The mother board cable from the ATX power supply would then plug into the adapter cable and the adapter cable would plug into the motherboard.


What is the purpose of colored cable ties?

The purpose of using colored cable ties is to differentiate the different cables being tied. This allows the user to find a particular cable without much fuss.


Why do you need a huge power supply for your Desktop?

If you are not doing that much with your desktop a huge power supply is not needed, however for people who use their computer for more than basic things, you will simply need a Motherboard input a Cdrom power cable and a Hard drive cable and you will be fine.


A technician is troubleshooting a computer that has a malfunctioning floppy drive The technician observes that the floppy drive light remains lit constantly How should the technician attempt to repa?

The cable is probably damaged, or the idiot just plugged it in backwards. He should first attempt to plug the cable in upside-right. If that fails, he should then try a different floppy cable.


What does a SATA cable do?

SATA, or serial advanced technology attachment, connects the motherboard to hard drives and optical drives. This cable is inserted into the SATA slot on the motherboard.


The function of hard drive cable?

To start, the hard drive cable connects your hard drive to your motherboard. Its really simple.


Your CPU has no power but all peripherals do - what is wrong?

Many/most motherboards have a separate power connector for the CPU. Check your motherboard's installation instructions to locate the CPU power connector. Then connect the matching power supply cable to the CPU power connector on the motherboard.


What is the drive nearest motherboard when using an 80-conductor cable-select cable?

Master.


What is a floppy drive data cable?

a cable for connecting a floppy drive to the computer motherboard.


What kinds of data cables are connected to a motherboard?

ide data cable or sata cable


What is PC mani supply?

A PC Main Supply is what gives the computer power to operate, in desktop computers they have to constantly be connected to some type of power outlet. Diagram. Plug socket > Cable > PSU (power supply unit) > Motherboard > power to all components in the computer.