Intel BLKDQ35JOE Product Specification - Page 55

Electrical Considerations

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Overview of BIOS Features 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 VDC and +5 VDC 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 65 W processor (see Section 1.4 on page 15 for a list of supported processors), 1 GB DDR2 RAM, one hard disk drive, one optical drive, and all board peripherals enabled, the minimum recommended power supply is 300 W. Table 27 lists the recommended power supply current values. Table 27. Recommended Power Supply Current Values Output Voltage 3.3 V 5 V 12 V1 12 V2 Current 15 A 15 A 10 A 10 A -12 V 0.3 A 5 VSB 3.0 A For information about Selecting an appropriate power supply Refer to http://support.intel.com/support/motherboards/desk top/sb/CS-026472.htm 2.5.2 Fan Header Current Capability CAUTION The processor fan must be connected to the processor fan header, not to a chassis fan header. Connecting the processor fan to a chassis fan header may result in onboard component damage that will halt fan operation. 55

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Overview of BIOS Features
55
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 VDC and +5 VDC 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 65 W processor (see Section 1.4
on page 15 for a list of supported processors), 1 GB DDR2 RAM, one hard disk drive,
one optical drive, and all board peripherals enabled, the minimum recommended
power supply is 300 W.
Table 27 lists the recommended power supply current values.
Table 27. Recommended Power Supply Current Values
Output Voltage
3.3 V
5 V
12 V1
12 V2
-12 V
5 VSB
Current
15 A
15 A
10 A
10 A
0.3 A
3.0 A
For information about
Refer to
Selecting an appropriate power supply
top/sb/CS-026472.htm
2.5.2
Fan Header Current Capability
CAUTION
The processor fan must be connected to the processor fan header, not to a chassis fan
header.
Connecting the processor fan to a chassis fan header may result in onboard
component damage that will halt fan operation.