703 System upgrade

Sparing configuration

 

Branch 0

 

 

Branch 1

 

Total Memory

Channel A

Channel B

Channel C

Channel D

Physical

Detected

 

 

 

 

 

 

 

 

DIMM

DIMM

DIMM

DIMM

DIMM

DIMM

DIMM

DIMM

Memory

by OS

A1

A2

B1

B2

C1

C2

D1

D2

 

 

512 MB

512 MB

 

 

 

 

 

 

1 GB

512 MB

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

512 MB

512 MB

512 MB

512 MB

 

 

 

 

2 GB

1 GB

(Sparing)

 

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

512 MB

512 MB

512 MB

512 MB

512 MB

512 MB

512 MB

512 MB

4 GB

2 GB

(Sparing)

 

(Sparing)

 

(Sparing)

 

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

1 GB

1 GB

 

 

 

 

 

 

2 GB

1 GB

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 GB

1 GB

1 GB

1 GB

 

 

 

 

4 GB

2 GB

(Sparing)

 

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 GB

1 GB

1 GB

1 GB

1 GB

1 GB

1 GB

1 GB

8 GB

4 GB

(Sparing)

 

(Sparing)

 

(Sparing)

 

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

2 GB

2 GB

 

 

 

 

 

 

4 GB

2 GB

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 GB

2 GB

2 GB

2 GB

 

 

 

 

8 GB

4 GB

(Sparing)

 

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 GB

2 GB

2 GB

2 GB

2 GB

2 GB

2 GB

2 GB

16 GB

8 GB

(Sparing)

 

(Sparing)

 

(Sparing)

 

(Sparing)

 

 

 

 

 

 

 

 

 

 

 

 

 

Memory configuration overview

The system supports the following memory configuration that allow flexibility in performance, redundancy, and ability to upgrade.

Standard configuration

Memory mirroring

Memory sparing

Memory mirroring and memory sparing features are mutually exclusive, only one of these memory modes can be enabled at one time and not both at the same time.

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Acer Altos R520 manual Memory configuration overview, Sparing configuration