Intel SE7221BA1 Product Specification - Page 61

General Specification

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Intel® Entry Server Board SE7221BA1-E TPS General Specification 8. General Specification 8.1 Intel® Entry Server Board SE7221BA1-E Power Budget 8.1.1 DC Loading Table 35 lists the DC loading characteristics of the board. This data is based on a DC analysis of all active components within the board that impact its power delivery subsystems. Minimum values assume a light load placed on the board that is similar to an environment with no applications running and no USB current draw. Maximum values assume a load placed on the board that is similar to a heavy gaming environment with a 500 mA current draw per USB port. These calculations are not based on specific processor values or memory configurations but are based on the minimum and maximum current draw possible from the board's power delivery subsystems to the processor, memory, and USB ports. Use the datasheets for add-in cards, such as PCI, to determine the overall system power requirements. The selection of a power supply at the system level is dependent on the system's usage model and not necessarily tied to a particular processor speed. Table 35. DC Power Budget Device +3.3 V +5 V +12 V -12 V +5 VSB Server Board 1.2A 2.6A 0.00 0.05A 1.0A Processor 15A Memory DIMMs 6A Fans Processor Fan * 1A Front Panel Fan 0.8A Rear Panel Fan 0.8A Aux Fan 0.8A Keyboard/Mouse 345mA PCI Slots (3) 7.6A 5A 3.75mA PCIe Slots x4 Slots (2) ** 3A 0.5A x8 Slot (1) *** 3A 5.5A USB Ports (8) 500mA Total Current 33 12 25 Total Total Power 109 60 293 467Watts Processor Fan must be connected to the Processor Fan Header (4 wire) ** Each PCI card may not exceed 25 Watts of power *** Power budget for x1 slots based on x1 power consumption **** Power budget for x8 slot based on x16 power consumption. Graphic adapters that require additional power, will need a chassis power supply with the power source for the card. NOTE: The Server Boards is designed to provide 2A (average) of +5V current for each add-in board. The total +5 V current draw for add-in boards for the boards is as follows: A fully loaded Intel® Entry Server Board SE7221BA1-E (all PCI and PCI Express slots populated) must not exceed 14A. Revision 1.5 51

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Intel® Entry Server Board SE7221BA1-E TPS
General Specification
Revision 1.5
51
8.
General Specification
8.1
Intel® Entry Server Board SE7221BA1-E Power Budget
8.1.1
DC Loading
Table 35 lists the DC loading characteristics of the board.
This data is based on a DC analysis
of all active components within the board that impact its power delivery subsystems.
Minimum
values assume a light load placed on the board that is similar to an environment with no
applications running and no USB current draw.
Maximum values assume a load placed on the
board that is similar to a heavy gaming environment with a 500 mA current draw per USB port.
These calculations are not based on specific processor values or memory configurations but are
based on the minimum and maximum current draw possible from the board’s power delivery
subsystems to the processor, memory, and USB ports.
Use the datasheets for add-in cards, such as PCI, to determine the overall system power
requirements.
The selection of a power supply at the system level is dependent on the system’s
usage model and not necessarily tied to a particular processor speed.
Table 35.
DC Power Budget
Device
+3.3 V
+5 V
+12 V
-12 V
+5 VSB
Server Board
1.2A
2.6A
0.00
0.05A
1.0A
Processor
15A
Memory DIMMs
6A
Fans
Processor Fan
*
1A
Front Panel Fan
0.8A
Rear Panel Fan
0.8A
Aux Fan
0.8A
Keyboard/Mouse
345mA
PCI Slots (3)
7.6A
5A
3.75mA
PCIe Slots
x4 Slots (2)
**
3A
0.5A
x8 Slot (1)
***
3A
5.5A
USB Ports (8)
500mA
Total Current
33
12
25
Total
Total Power
109
60
293
467Watts
Processor Fan must be connected to the Processor Fan Header (4 wire)
**
Each PCI card may not exceed 25 Watts of power
***
Power budget for x1 slots based on x1 power consumption
**** Power budget for x8 slot based on x16 power consumption.
Graphic adapters that require additional power, will
need a chassis power supply with the power source for the card.
NOTE:
The Server Boards is designed to provide 2A (average) of +5V current for each add-in board.
The total
+5 V current draw for add-in boards for the boards is as follows: A fully loaded Intel® Entry Server Board
SE7221BA1-E (all PCI and PCI Express slots populated) must not exceed 14A.