Memory Channel Mode - Acer Veriton 7600GTR Service Manual

Memory Channel Mode

DIMM Population
Rank(Row) Size
Number of Ranks(Rows)
Channel Size
Page Size
Burst Length
Memory Channel
Channel A
Channel B
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
Single Channel /
Virtual Single Channel
No restrictions
Size of one side of the DIMM
populated in the channel
(64MB - 512MB)
8 maximum
64 bits
Size read from DIMM
(4KB, 8KB, 16KB)
4 or 8
DIMM Slot Number
DIMM 1
DIMM 2
DIMM 3
DIMM 4
Dual Channel
Matching DIMM pairs
2x the size of one side of the DIMM
populated in the channel(A or B)
(128MB - 1GB)
4 maximum
128 bits
2 x Size read from DIMM
(8KB, 16KB, 32KB)
4
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