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Intel® Entry Server Board SE7221BK1-E User Guide
Hardware Requirements
To avoid integration difficulties and possible board damage, your system must meet the
requirements outlined below. For a list of qualified components see the links under
http://www.support.intel.com/support/motherboards/server/SE7221BK1-E.
Processor
One 2.8 GHz or greater Intel ® Pentium ® 4 processor in an LGA775 package for an 800 MHz
system bus. For a complete list of supported processors, see the links under
http://www.support.intel.com/support/motherboards/server/SE7221BK1-E.
Memory
One to four DIMMs
Unbuffered DDR2 400/533 MHz
ECC or non-ECC (ECC will be disabled if any non-ECC DIMMs are used)
256MB to 1GB DIMMs
Should support Serial Presence Detect (SPD) data structure. This allows the BIOS to read the SPD
data and program the chipset to accurately configure memory settings for optimum performance. If
non-SPD memory is installed, the BIOS will attempt to correctly configure the memory settings,
but performance and reliability may be impacted or the DIMMs may not function under the
determined frequency.
For a complete list of supported memory DIMMs, see the links under
http://support.intel.com/support/motherboards/server/SE7221BK1-E.
Power Supply
The Power Supply must be a minimum of 450 Watts. Suggested connectors include:
2x12 for Main Power Connector
2x2 (yellow/black) wires in a 2x4 connector for +12v auxiliary power to Processor
Split 12v rails to SATA
Standard IDE 4 wire connector
Table 4. Board Power Supply Voltage Specification
PARAM
TOLERANCE
+ 3.3V
- 5% / +5%
+ 5V
- 5% / +5%
+ 12V
- 5% / +5%
- 12V
- 10% / +10%
+ 5VSB
- 5% / +5%
MIN
NOM
+3.14
+3.30
+4.75
+5.00
+11.40
+12.00
-11.40
-12.00
+4.75
+5.00
Server Board Features
MAX
UNITS
+3.46
V
rms
+5.25
V
rms
+12.60
V
rms
-13.08
V
rms
+5.25
V
rms
7
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