Intel MFS5000SIB Datasheet Page 20

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2BFunctional Architecture Intel® Compute Module MFS5000SI TPS
3.1.3.4.2.1 Single Branch Mode Sparing
Channel A Channel B Channel C Channel D
Branch 0 Branch 1
Intel® 5000P/5000X Memor
y
Controller Hub
Slot 1
Slot 2
DIMM_C2
DIMM_C1
DIMM_D2
DIMM_D1
DIMM_A1
DIMM_A2
DIMM_B1
DIMM_B2
Figure 9. Single Branch Mode Sparing DIMM Configuration
DIMM_A1 and DIMM_B1 must be identical in organization, size and speed.
DIMM_A2 and DIMM_B2 must be identical in organization, size and speed.
DIMM_A1 and DIMM_A2 should be identical in organization, size and speed. See note below.
DIMM_B1 and DIMM_B2 should be identical in organization, size and speed. See note below.
Sparing should be enabled in the BIOS setup.
The BIOS will configure Rank Sparing Mode.
The larger of the pairs {DIMM_A1, DIMM_B1} and {DIMM_A2, DIMM_B2} will be selected as the
spare pair unit.
Note: Use of identical memory is recommended with the Intel
®
Compute Module MFS5000SI. Mixing
memory type, size, speed, rank and/or vendors is not validated and is not supported with this product.
Refer to section 3.1.3.2 for supported and nonsupported memory features and configuration information.
3.1.3.4.2.2 Dual Branch Mode Sparing
Dual branch mode sparing requires that all eight DIMM slots be populated and compliant with the
following population rules.
DIMM_A1 and DIMM_B1 must be identical in organization, size and speed.
DIMM_A2 and DIMM_B2 must be identical in organization, size and speed.
DIMM_C1 and DIMM_D1 must be identical in organization, size and speed.
DIMM_C2 and DIMM_D2 must be identical in organization, size and speed.
DIMM_A1 and DIMM_A2 should be identical in organization, size and speed. See note below.
DIMM_B1 and DIMM_B2 should be identical in organization, size and speed. See note below.
DIMM_C1 and DIMM_C2 should be identical in organization, size and speed. See note below.
DIMM_D1 and DIMM_D2 should be identical in organization, size and speed. See note below.
Sparing should be enabled in BIOS setup.
BIOS will configure Rank Sparing Mode.
The larger of the pairs {DIMM_A1, DIMM_B1} and {DIMM_A2, DIMM_B2} and {DIMM_C1,
DIMM_D1} and {DIMM_C2, DIMM_D2} will be selected as the spare pair units.
Revision 1.4
Intel order number: E15154-007
14
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