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64 Intel® Server Chassis SC5300 User Guide
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 7. 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
Intel® Management Module
Local Control Panel
Total Current