Memory Channel Mode

 

Single Channel /

Dual Channel

 

Virtual Single Channel

 

 

 

 

 

DIMM Population

No restrictions

Matching DIMM pairs

 

 

 

Rank(Row) Size

Size of one side of the DIMM

2x the size of one side of the DIMM

 

populated in the channel

populated in the channel(A or B)

 

(64MB - 512MB)

(128MB - 1GB)

 

 

 

Number of Ranks(Rows)

8 maximum

4 maximum

 

 

 

Channel Size

64 bits

128 bits

 

 

 

Page Size

Size read from DIMM

2 x Size read from DIMM

 

(4KB, 8KB, 16KB)

(8KB, 16KB, 32KB)

 

 

 

Burst Length

4 or 8

4

 

 

 

Memory Channel

DIMM Slot Number

 

 

Channel A

DIMM 1

 

 

 

DIMM 2

 

 

Channel B

DIMM 3

 

 

 

DIMM 4

 

 

Single Channel Mode

Single Channel (SC) mode is also referred to as Virtual Single Channel (VSC) mode. NOTE: Memory channel speed determined by slowest DIMM populated in system

Dual Channel Mode

Chapter 1

23

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Acer Veriton 7600GTR/7600GT/7600V, Veriton 5600GT/5600V manual Memory Channel Mode, Single Channel Mode, Dual Channel Mode