Intel DP55WB Product Specification - Page 52
Electrical Considerations - atx desktop motherboard
UPC - 735858209151
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Intel Desktop Board DP55WB Technical Product Specification 2.5 Electrical Considerations 2.5.1 Power Supply Considerations CAUTION The +5 V standby line from the power supply must be capable of providing adequate +5 V standby current. Failure to do so can damage the power supply. The total amount of standby current required depends on the wake devices supported and manufacturing options. Additional power required will depend on configurations chosen by the integrator. The power supply must comply with the indicated parameters of the ATX form factor specification. • The potential relation between 3.3 V DC and +5 V DC power rails • The current capability of the +5 VSB line • All timing parameters • All voltage tolerances For example, for a system consisting of a supported 95 W processor (see Section 1.4 on page 14 for a list of supported processors), 1 GB DDR3 RAM, one high end video card, one hard disk drive, one optical drive, and all board peripherals enabled, the minimum recommended power supply is 460 W. Table 24 lists the recommended power supply current values. Table 24. Recommended Power Supply Current Values Output Voltage 3.3 V 5 V 12 V1 12 V2 -12 V Current 22 A 20 A 16 A 16 A 0.3 A 5 VSB 1.5 A For information about Selecting an appropriate power supply Refer to http://support.intel.com/support/motherboards/desktop/sb/ CS-026472.htm 52