ASROCK A770DE User Manual page 44

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
This option appears only when you adopt Phenom CPU. It allows you to
enable Channel Memory Interleaving. Configuration options: [Disabled], [XOR
of Address bit [20:16, 6]], [XOR of Address bit [20:16, 9]], [Address bits 6]
and [Address bits 12]. The default value is
[XOR of Address bit [20:16, 6]].
CAS Latency (CL)
Use this item to adjust the means of memory accessing. Configuration
options: [Auto] to [7CLK]. The default value is [Auto].
TRCD
Use this to adjust TRCD values. Configuration options: [Auto], [3CLK] to
[6CLK]. The default value is [Auto].
TRP
Use this to adjust TRP values. Configuration options: [Auto], [3CLK] to
[6CLK]. The default value is [Auto].
TRAS
Use this to adjust TRAS values. Configuration options: [Auto], [5CLK] to
[18CLK]. The default value is [Auto].
TRTP
Use this to adjust TRTP values. Configuration options: [Auto], [2-4 CLK] and
[3-5 CLK]. The default value is [Auto].
TRRD
Use this to adjust TRRD values. Configuration options: [Auto], [2CLK] to
[5CLK]. The default value is [Auto].
TWTR
Use this to adjust TWTR values. Configuration options: [Auto], [1CLK] to
[3CLK]. The default value is [Auto].
TWR
Use this to adjust TWR values. Configuration options: [Auto], [3CLK] to
[6CLK]. The default value is [Auto].
TRC
Use this to adjust TRC values. Configuration options: [Auto], [11CLK] to
[26CLK]. The default value is [Auto].
TRWTWB
Use this to adjust TRWTWB values. Configuration options: [Auto], [3CLK] to
[10CLK]. The default value is [Auto].
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