Intel CW8064701487007 Datasheet download pdf (Page 27)

Datasheet, Volume 1 27

Interfaces

Note:

1. System memory timing support is based on availability and is subject to change.

Note:

1. System memory timing support is based on availability and is subject to change.

2.1.3 System Memory Organization Modes

The IMC supports two memory organization modes, single-channel and dual-channel.

Depending upon how the DIMM Modules are populated in each memory channel, a

number of different configurations can exist.

2.1.3.1 Single-Channel Mode

In this mode, all memory cycles are directed to a single-channel. Single-channel mode

is used when either Channel A or Channel B DIMM connectors are populated in any

order, but not both.

2.1.3.2 Dual-Channel Mode – Intel

Flex Memory Technology Mode

The IMC supports Intel Flex Memory Technology Mode. Memory is divided into a

symmetric and a asymmetric zone. The symmetric zone starts at the lowest address in

each channel and is contiguous until the asymmetric zone begins or until the top

address of the channel with the smaller capacity is reached. In this mode, the system

runs with one zone of dual-channel mode and one zone of single-channel mode,

simultaneously, across the whole memory array.

Table 2-4. DDR3 / DDR3L / DDR3L-RS at 1.5 V System Memory Timing Support

Segment

Transfer

Rate

(MT/s)

tCL

(tCK)

tRCD

(tCK)

tRP

(tCK)

CWL

(tCK)

DPC

CMD

Mode

Notes

Extreme Edition

(XE) and

Quad Core SV

1333 9 9 9 7

1 1N/2N

22N

1600 11 11 11 8

1 1N/2N

22N

Dual Core

Standard

Voltage (SV) &

Ultra

1333 9 9 9 7 1 1N/2N

1600 11 11 11 8 1 1N/2N

Table 2-5. DDR3L / DDR3L-RS System Memory Timing Support

Segment

Transfer

Rate

(MT/s)

tCL

(tCK)

tRCD

(tCK)

tRP

(tCK)

CWL

(tCK)

DPC

CMD

Mode

Notes

Extreme Edition

(XE) and

Quad Core SV

1333 9 9 9 7

1 1N/2N

22N

1600 11 11 11 8

1 1N/2N

22N

Dual Core

Standard

Voltage (SV)

and Ultra

1333 9 9 9 7 1 1N/2N

1600 11 11 11 8 1 1N/2N

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 171 172

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