Intel SR1450 manual Current Usage, Calculating Power Usage, Worksheet, Calculating DC Power Usage

Equipment Log and Worksheets

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 worksheets in this section to calculate the total used by your configuration. See the documentation that came with your add-in boards for their current and voltage information.

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

1st Hard Drive

2nd Hard Drive

3rd Hard Drive

Expansion Board 1

Expansion Board 2

Intel® Management Module

Local Control Panel

Total Current

✏NOTE

An online power budget analysis tool is available at http://support.intel.com (search for “Installation and Use”) to make sure your system falls within the allowed power budget.

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