Functional Architecture

Intel® Compute Module MFS2600KI TPS

Rank Sparing Mode is only possible when all channels that are populated with memory meet the requirement of having at least two SR or DR DIMM installed, or at least one QR DIMM installed, on each populated channel.

Lockstep or Mirroring Modes require that for any channel pair that is populated with memory, the memory population on both channels of the pair must be identically sized.

DIMM population rules require that DIMMs within a channel be populated starting with the BLUE DIMM slot or DIMM farthest from the processor in a “fill-farthest” approach. In addition, when populating a Quad-rank DIMM with a Single- or Dual-rank DIMM in the same channel, the Quad-rank DIMM must be populated farthest from the processor.

Table 7. DDR3 RDIMM Population within a Channel

Configuration

 

 

 

DIMM 1

Number

Speed

1N or 2N

DIMM 2

(Blue Slot)

 

 

 

 

 

1

DDR3-1333, and 1066

1N

Empty

Single-rank

 

 

 

 

 

2

DDR3-1333, and 1066

1N

Empty

Dual-rank

 

 

 

 

 

3

DDR3-1066

1N

Empty

Quad-rank

 

 

 

 

 

4

DDR3-1333, and 1066

1N

Single-rank

Single-rank

 

 

 

 

 

5

DDR3-1333, and 1066

1N

Single-rank

Dual-rank

 

 

 

 

 

6

DDR3-1333, and 1066

1N

Dual-rank

Dual-rank

7

DDR3-800

1N

Single-rank

Quad-rank

 

 

 

 

 

8

DDR3-800

1N

Dual-rank

Quad-rank

 

 

 

 

 

9

DDR3-800

1N

Quad-rank

Quad-rank

10

DDR3-800

1N

Single-rank

Single-rank

 

 

 

 

 

11

DDR3-800

1N

Single-rank

Dual-rank

 

 

 

 

 

12

DDR3-800

1N

Dual-rank

Dual-rank

13

DDR3-800

1N

Dual-rank

Dual-rank

 

 

 

 

 

14

DDR3-800

1N

Single-rank

Quad-rank

 

 

 

 

 

15

DDR3-800

1N

Dual-rank

Quad-rank

16

DDR3-800

1N

Dual-rank

Quad-rank

 

 

 

 

 

Table 8. DDR3L Low Voltage RDIMM Population within a Channel

Configuration

 

 

 

DIMM 1

Number

Speed

1N or 2N

DIMM 2

(Blue Slot)

 

 

 

 

 

1

DDR3L-1333, 1066

1N

Empty

Single-rank

 

 

 

 

 

2

DDR3L-1333, 1066

1N

Empty

Dual-rank

 

 

 

 

 

3

DDR3L-800

1N

Empty

Quad-rank

4

DDR3L-1066

1N

Single-rank

Single-rank

 

 

 

 

 

5

DDR3L-1066

1N

Single-rank

Dual-rank

 

 

 

 

 

6

DDR3L-1066

1N

Dual-rank

Dual-rank

 

 

 

 

 

7

DDR3L- 800

1N

Single-rank

Quad-rank

 

 

 

 

 

16

Revision 1.0

 

Intel order number: G51989-002