Difference between revisions of "PC Power Supply Voltage Data and Connector Types"
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+ | === Six Pin Inline Auxiliary Power Connector === | ||
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+ | ATX 2.02/2.03 and ATX12V 1.x Auxiliary Power Connector | ||
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+ | [[Image:PowerSupplyVoltageDataforPersonalComputers10.png]] | ||
=== Eight Pin CPU Power Connector === | === Eight Pin CPU Power Connector === |
Revision as of 11:06, 19 September 2007
Power for Internal Peripheral Devices
Four Pin Molex Power Connector
Molex Drive Connector
Typically used for 5¼ drives such as CD Rom and DVD Drives. Used for legacy IDE, EIDE, and ATA Hard Drives.
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Serial ATA Power Connector
Berg Floppy Power Connector
AMP 171822-4
Typically used for 3½ floppy disk drives.
Six Pin PCI Express Power Connector
PCI Express GFX Connector
MOLEX 39-01-2060
Three Pin Molex KK Type Connector
Typically used for internal cooling fans.
Power for the Motherboard and CPU
Motherboard Power Connector Types
The eight power supply form factors are:
- PC / XT
- AT/Desk
- AT/Tower
- Baby AT
- LPX
- ATX
- NLX
- SFX
Three common ATX power to motherboard connector configurations, a 20 pin connector, a 20 +4 pin connector, and a 24 pin connector. The 20 +4 may be used for either 20 pin connector motherboards or 24 pin connector motherboards. The first 20 pins are a consistent standard on all three configurations. Technically, even the 24 pin male power connector can be used on a 20 pin motherboard by allowing the four extra to hang off the side, given there is room (one one motherboard example a capacitor is in the way.)
20 Pin ATX Power
The 20-pin Main power connector is standard for all power supplies conforming to the ATX and ATX12V 1.x form factors, and consists of a Molex Mini-Fit, Jr. connector housing with female terminals. For reference, the connector is Molex part number 39-01-2200 and the terminals are part number 5556.
The total power handling capacity of this connector is only 251 watts, which is lower than many systems need today.
20+4 Pin ATX Power
MOLEX 39-01-2240
24 Pin ATX Power
Six Pin Inline Auxiliary Power Connector
ATX 2.02/2.03 and ATX12V 1.x Auxiliary Power Connector
Eight Pin CPU Power Connector
MOLEX 39-01-2080
Required connector for modern dual CPU motherboards
AMP ATX 12v Power Connector
AMP 1-480424-0
4 pin connector for the Intel Pentium 4 CPU