ASRock AM2NF3-VSTA User Manual - Page 29

Memory Clock, Flexibility Option, CAS Latency CL, MA Timing, Burst Length, Bank Interleaving, Memory

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Memory Clock This item can be set by the code using [Auto]. You can set one of the standard values as listed: [200 MHz (DDRII 400)], [266 MHz (DDRII 533)], [333 MHz (DDRII 667)], and [400MHz (DDRII 800)]. Flexibility Option The default value of this option is [Disabled]. It will allow better tolerance for memory compatibility when it is set to [Enabled]. CAS Latency (CL) Use this item to adjust the means of memory accessing. Configuration options: [Auto], [2.0], [3.0], and [2.5]. The default value is [Auto]. TRAS Use this to adjust TRAS values. Configuration options: [Auto], [5CLK], [6CLK], [7CLK], [8CLK], [9CLK], [10CLK], [11CLK], [12CLK], [13CLK], [14CLK], and [15CLK]. The default value is [Auto]. TRP Use this to adjust TRP values. Configuration options: [Auto], [2CLK], [3CLK], [4CLK], [5CLK], and [6CLK]. The default value is [Auto]. TRCD Use this to adjust TRCD values. Configuration options: [Auto], [2CLK], [3CLK], [4CLK], [5CLK], and [6CLK]. The default value is [Auto]. TRRD Use this to adjust TRRD values. The default value is [Auto]. TRC Use this to adjust TRC values. The default value is [Auto]. MA Timing Use this to adjust values for MA timing. Configuration options: [Auto], [2T], [1T]. The default value is [Auto]. Burst Length Burst length can be set to 8, 4 or 2 beats. 64 Bit Dq must use the 4 beats. Bank Interleaving Interleaving allows memory accesses to be spread out over banks on the same node, or accross nodes, decreasing access contention. Memory Hole Use this item to enable or disable memory hole. The Default value is [Disabled]. DDRII Initialization Mode Configuration options: [Auto] and [Compatible]. The default value is [Auto]. 29

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Memory Clock
This item can be set by the code using [Auto]. You can set one of the
standard values as listed: [200 MHz (DDRII 400)], [266 MHz (DDRII 533)],
[333 MHz (DDRII 667)], and [400MHz (DDRII 800)].
Flexibility Option
The default value of this option is [Disabled]. It will allow better tolerance for
memory compatibility when it is set to [Enabled].
CAS Latency (CL)
Use this item to adjust the means of memory accessing. Configuration
options: [Auto], [2.0], [3.0], and [2.5]. The default value is [Auto].
TRAS
Use this to adjust TRAS values. Configuration options: [Auto], [5CLK], [6CLK],
[7CLK], [8CLK], [9CLK], [10CLK], [11CLK], [12CLK], [13CLK], [14CLK], and
[15CLK]. The default value is [Auto].
TRP
Use this to adjust TRP values. Configuration options: [Auto], [2CLK], [3CLK],
[4CLK], [5CLK], and [6CLK]. The default value is [Auto].
TRCD
Use this to adjust TRCD values. Configuration options: [Auto], [2CLK], [3CLK],
[4CLK], [5CLK], and [6CLK]. The default value is [Auto].
TRRD
Use this to adjust TRRD values. The default value is [Auto].
TRC
Use this to adjust TRC values. The default value is [Auto].
MA Timing
Use this to adjust values for MA timing. Configuration options: [Auto], [2T],
[1T]. The default value is [Auto].
Burst Length
Burst length can be set to 8, 4 or 2 beats. 64 Bit Dq must use the 4 beats.
Bank Interleaving
Interleaving allows memory accesses to be spread out over banks on the
same node, or accross nodes, decreasing access contention.
Memory Hole
Use this item to enable or disable memory hole. The Default value is
[Disabled].
DDRII Initialization Mode
Configuration options: [Auto] and [Compatible]. The default value is [Auto].