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Intel® Entry Server Board SE7221BA1-E TPS
CAUTION
1.
Use only the processors listed on web site above. Use of unsupported
processors can damage the board, the processor, and the power supply.
2.
Use only ATX12V or EPS 12V-compliant power supplies.
3.1.5
Interrupts and APIC
Interrupt generation and notification to the processor is accomplished by the APICs in the
ICH6R using messages on the front side bus.
3.2
Memory Subsystem
The baseboard supports up to four DIMM slots for a maximum memory capacity of 4 GB. The
DIMM organization is x72, which includes eight ECC check bits. The memory interface runs at
400/533MT/s. The memory controller supports memory scrubbing, single-bit error correction and
multiple-bit error detection. Memory can be implemented with either single sided (one row) or
double-sided (two row) DIMMs.
3.2.1
DIMM Socket Features:
The Intel® Entry Server Board SE7221BA1-E has four DIMM sockets and supports the following
memory features:
•
1.8 V (only) DDR2 SDRAM DIMMs
•
Un-buffered, single-sided or double-sided DIMMs with the following restriction:
Double-sided DIMMS with x16 organization are not supported.
•
4 GB maximum total system memory. Minimum total system memory: 128 MB
•
Un-buffered, ECC DIMMS
•
Serial Presence Detect
•
DDR2 533 MHz 128MB, 256MB, 512MB and 1GB SDRAM DIMM
•
DDR2 400 MHz 128MB, 256MB, 512MB and 1GB SDRAM DIMM
Check the Intel® web site
for the most up-to-date list of supported memory.
NOTES
•
Remove any card inserted into the PCI Express* x8 slot before installing or upgrading
memory to avoid interference with the memory retention mechanism.
•
To be fully compliant with all applicable DDR SDRAM memory specifications, the
board should be populated with DIMMs that support the 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.
•
Please ensure that the memory module is fully seated and both latches are secure. If
the module is not fully installed the memory may not be recognized by the BIOS.
•
The memory controller hub (MCH) cannot support identifying which slot the memory
error has occured. The MCH can only determine the channel for the memory error
Revision 1.5
http://support.intel.com/support/motherboards/server/se7221ba1-e/
Functional Architecture
7
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