Equipment Log and Worksheets
Intel® Entry Server Chassis SC5275-E User Guide
43
Current Usage
Calculating Power Usage
The total combined wattage for your configuration must be less than the wattage rating for your
power supply. Use the two worksheets in this section to calculate the total used by your
configuration. For current and voltage requirements of add-in boards and peripherals, see your
vendor documents.
Worksheet, Calculating DC Power Usage
Table 6.
Power Usage Worksheet 1
Current
(maximum)
at voltage level:
Device
+3.3 V +5 V
–5 V
+12 V
–12 V
5 V Standby
Baseboard, Front Panel
Board and Fans
Processor(s)
Memory
3.5-inch
Diskette
Drive
CD-ROM
Drive
Second
5.25-inch
Device
Third
5.25-inch
Device
1st
Hard
Drive
2nd
Hard
Drive
3rd
Hard
Drive
4th
Hard
Drive
5th
Hard
Drive
6th
Hard
Drive
Expansion
Board
1
Expansion
Board
2
Expansion
Board
3
Expansion
Board
4
Expansion
Board
5
Expansion
Board
6
Expansion
Board
7
Total Current
Содержание C50277-001
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