ASROCK 970 Extreme3 R2.0 User Manual page 46

DRAM Timing Control
DRAM Slot
Use this to select DRAM slot to view SPD data. The default value is
[DDR3_A1].
DRAM Timing Control
Use this to select DRAM control. The default value is [Auto].
Power Down Enable
Use this item to enable or disable DDR power down mode.
Bank Interleaving
Interleaving allows memory accesses to be spread out over banks on the
same node, or accross nodes, decreasing access contention.
Channel Interleaving
It allows you to enable Channel Memory Interleaving. Configuration op-
tions: [Disabled] and [Auto]. The default value is [Auto].
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