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Hp Power Supply

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SC-002
PKR1,650.00

The ATX12V electrical power supply interface has been the primary industry standard for over a decade, but even this interface standard has gone through an incremental evolution to keep up with technology trends, such as the transition from PATA to SATA drives. The last major update to this standard was published in 2004 when the 20-pin connector was increased to 24-pins to accommodate the increased power requirements of the industry’s new PCI Express standard. The interface standard from the current ATX 2.2 specification is shown in Figure 1from the Technical Reference Guide for the HP Compaq dc7900 Series. The 24-pin Main Power Connector and 4-pin 12V Power Connector are the key interface between the power supply and the motherboard to supply +12V, +5V, +3.3V, +5VSB, and -12V, as well as some control signals to turn the power supply on and off. In addition to this primary interface, the standard also defines optional connectors to supply additional +5V and +3.3V power, if needed, but this connector is rarely used in current products. There is also an optional header for side-band signals to control the fan speeds.

 

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