10. Power Information; 10.1 Intel® Server Board Se7221Bk1-E Power Budget; Power Supply Specifications; Power Timing Requirements - Intel SE7221BK1LX Technical Manual

10. Power Information

10.1 Intel® Server Board SE7221BK1-E Power Budget
The following table shows the power consumed on each supply line for the SE7221BK1-E
baseboard that is configured with one processor (128W max). This configuration includes four 1
GB DDR2 DIMMs stacked burst at 70% max. The numbers provided in the table should be used
for reference purposes only. Different hardware configurations will produce different numbers.
The numbers in the table reflect a common usage model operating at a higher than average
stress levels.
FUNCTIONAL Utilization
UNIT
B I
ASEBOARD NPUT
T
OTALS
B 50%
ASEBOARD
DISCRETE TOTALS
B Efficiency
ASEBOARD
CONVERTERS
B
ASEBOARD
CONFIG TOTATLS
S
YSTEM
COMPONENTS
S
YSTEM TOTALS
3.3v/5v combined
power
Power Supply
Requirements –
1U
74

Table 80. The Board Power Budget

Watts
Power 3.3V 5.V
290.73W 6.26W 8.47W
32.02W 1.51 1.17
41.90W 3.24 7.29
246.80W 1.52 0.00
45.12W 0.00 2.40
335.85W 6.26 10.87
300W 14A 18A
SE7221BK1-E Technical Product Specification
Power Supply Rail Voltages
AMPS
12.V 12V
VRM
6.38W 9.28W
0.00 0.00
0.00 9.28
6.38 0.00
2.76 0.00
9.14 9.28
Max 12V+ 12V
VRM
Units
-12v 5VSB
0.05W 1.67
0.00 0.00
0.00 1.67
0.05 0.00
0.00 0.00
0.05 1.67 Amps
0.5A 2A