ASROCK N68C-GS UCC User Manual page 38

Memory Timing
BIOS SETUP UTILITY
OC Tweaker
Memory Timing
[Unganged]
Memory Controller Mode
[Enabled]
Power Down Enable
[Auto]
Bank Interleaving
[Hash 1]
Channel Interleaving
CAS Latency (CL) [Auto]
4
TRCD [Auto]
4
TRP [Auto]
4
[Auto]
TRAS
12
TRTP [Auto]
2
TRRD [Auto]
2
TWTR [Auto]
2
TWR [Auto]
4
TRC [Auto]
16
TRWTWB [Auto]
0
TRWTTO [Auto]
4
[Auto]
TWRRD
0
TWRWR [Auto]
2
v02.54 (C) Copyright 1985-2003, American Megatrends, Inc.
Memory Controller Mode
This option appears only when you adopt Phenom CPU. It allows you to
adjust the memory controller mode. Configuration options: [Unganged] and
[Ganged]. The default value is [Unganged].
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. The default value for DDR2 is [Hash
1]. The default value for DDR3 is [Hash 2].
CAS Latency (CL)
Use this item to adjust the means of memory accessing. Configuration
options: [Auto], [3CLK], [4CLK], [5CLK] and [6CLK]. The default value is
[Auto].
TRCD
Use this to adjust TRCD values. Configuration options: [Auto], [3CLK], [4CLK],
[5CLK] and [6CLK]. The default value is [Auto].
TRP
Use this to adjust TRP values. Configuration options: [Auto], [3CLK], [4CLK],
[5CLK] and [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], [2-4CLK] and
[3-5CLK]. The default value is [Auto].
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