Intel SBT2 Product Guide - Page 78

Worksheet, Calculating DC Power Usage

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Worksheet, Calculating DC Power Usage 1. List the current for each board and device in the appropriate voltage level column. 2. Add the currents in each column. Then go to the next worksheet. Table 7. Power Usage Worksheet 1 Current (maximum) at voltage level: Device +3.3 V +5 V 5 V Standby Server board 4.24 A 6.46 A .5 A Primary Processor Secondary Processor (if present) Terminator card, if no second processor Memory (four 64 MB DIMMs) 1.22 A PCI slot 1 1.0 A PCI slot 2 1.0 A PCI slot 3 1.0 A PCI slot 4 1.0 A PCI slot 5 1.0 A PCI slot 6 1.0 A Pci slot 7 1.0 A 1st 3.5-inch hard disk drive 2nd 3.5-inch hard disk drive 3rd 3.5-inch hard disk drive 4th 3.5-inch hard disk drive 5th 3.5-inch hard disk drive 6th 3.5-inch hard disk drive 7th 3.5-inch hard disk drive 3.5-inch diskette drive CD-ROM drive Cooling fan 1 .43 A Cooling fan 2 .43 A Cooling fan 3 .43 A Cooling fan 4 .43 A +12 V -12 V Total Current 78 Equipment Log and Power Consumption Worksheets

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78
Equipment Log and Power Consumption Worksheets
Worksheet, Calculating DC Power Usage
1.
List the current for each board and device in the appropriate voltage level column.
2.
Add the currents in each column.
Then go to the next worksheet.
Table 7.
Power Usage Worksheet 1
Current (maximum) at voltage level:
Device
+3.3 V
+5 V
5 V Standby
+12 V
–12 V
Server board
4.24 A
6.46 A
.5 A
Primary Processor
Secondary Processor (if present)
Terminator card, if no second
processor
Memory (four 64 MB DIMMs)
1.22 A
PCI slot 1
1.0 A
PCI slot 2
1.0 A
PCI slot 3
1.0 A
PCI slot 4
1.0 A
PCI slot 5
1.0 A
PCI slot 6
1.0 A
Pci slot 7
1.0 A
1
st
3.5-inch hard disk drive
2
nd
3.5-inch hard disk drive
3
rd
3.5-inch hard disk drive
4
th
3.5-inch hard disk drive
5
th
3.5-inch hard disk drive
6
th
3.5-inch hard disk drive
7
th
3.5-inch hard disk drive
3.5-inch diskette drive
CD-ROM drive
Cooling fan 1
.43 A
Cooling fan 2
.43 A
Cooling fan 3
.43 A
Cooling fan 4
.43 A
Total Current