The memory speed of each channel depends on the memory configuration:

For single- or dual-rank memory modules:

One memory module per channel supports up to 1333 MHz.

Two memory modules per channel support up to 1333 MHz.

Three memory modules per channel support up to 800 MHz.

If memory modules with different speeds are installed, they will operate at the speed of the slowest installed memory module(s).

Mode-Specific Guidelines

There are two memory channels with each channel supporting a maximum of two UDIMMs.

Table 3-1 show sample memory configurations that follow the appropriate memory guidelines stated in this section. The samples show identical memory-module configurations and the physical and available memory totals. The tables do not show mixed or quad-rank memory-module configurations, nor do they address the memory speed considerations of any configuration.

Table 3-1. Sample UDIMM Memory Configurations

Memory

 

 

Memory Sockets

 

 

Processor

 

 

 

 

 

 

 

 

 

 

1

 

 

 

2

 

 

Physical

 

Available

Module Size

3

 

 

4

 

 

 

 

 

 

 

6

Memory (GB)

Memory (GB)

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-GB

X

 

 

 

 

 

 

1

 

all

 

X

 

 

 

X

 

 

2

 

 

 

X

X

 

 

X

X

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

2-GB

 

 

 

 

 

 

 

 

 

all

 

X

 

 

 

X

 

 

4

 

 

 

X

X

 

 

X

X

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

Installing System Components

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Dell NX200 owner manual Mode-Specific Guidelines, Sample Udimm Memory Configurations Memory Sockets Processor, Available