
Functional Architecture Intel® Workstation Board S5520SC TPS
Revision 1.7
Intel order number: E39530-010
24
Workstation Board CPU Socket DIMM Identifier Channel/Slot
F2 (Black) Channel F, Slot 1
Figure 15. Intel
®
Workstation Board S5520SC DIMM Slots Arrangement
3.3.2 Supported Memory
z Intel
®
Workstation Board S5520SC supports up to 12 DDR3 DIMMs with 1.5 V and a
maximum of 192 GB memory capacity.
z Intel
®
Workstation Board S5520SC supports Registered DDR3 DIMMs (RDIMMs),
and ECC Unbuffered DDR3 DIMMs (UDIMMs).
Mixing of RDIMMs and UDIMMs is not supported.
Mixing memory type, size, speed and/or rank on this platform has not been
validated and is not supported
Mixing memory vendors is not supported on this platform by Intel
Non-ECC memory is not supported and has not been validated in a server
environment
z Intel
®
Workstation Board S5520SC supports the following DIMM and DRAM
technologies:
RDIMMs:
– Single-, Dual-, and Quad-Rank
– x 4 or x8 DRAM with 1 Gb and 2 Gb technology - no support for 2 Gb
DRAM based 2 GB or 4 GB RDIMMs
– DDR3 1333 (Single- and Dual-Rank only), DDR3 1066, and DDR3 800
UDIMMs:
– Single- and Dual-Rank
– x8 DRAM with 1 Gb or 2 Gb technology
– DDR3 1333, DDR3 1066, and DDR3 800
3.3.3 Processor Cores, QPI Links and DDR3 Channels Frequency Configuration
The Intel
®
Xeon
®
5500 series processor and Intel
®
Xeon
®
5600 series processor connects to
other Intel
®
Xeon
®
5500 series processors and Intel
®
Xeon
®
5600 series processor and Intel
®
5520 IOH through the Intel
®
QPI link interface. The frequencies of the processor cores and the
QPI links of Intel
®
Xeon
®
5500 series processor and Intel
®
Xeon
®
5600 series processor are
independent from each other. There are no gear-ratio requirements for the Intel
®
Xeon
®
Processor 5500 Series and Intel
®
Xeon
®
5600 series processor.
Intel
®
5520 IOH supports 4.8 GT/s, 5.86 GT/s, and 6.4 GT/s frequencies for the QPI links.
During QPI initialization, the BIOS configures both endpoints of each QPI link to the same
supportable speeds for the correct operation.
During memory discovery, the BIOS arrives at a fastest common frequency that matches the
requirements of all components of the memory system and then configures the DDR3 DIMMs
for the fastest common frequency.
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