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]. 44