Asus CROSSHAIR IV FORMULA User Guide - Page 87

CPU Ratio [Auto], DRAM Frequency [Auto], HT Link Speed [Auto], DRAM Timing Configuration

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Profile Info : xxxxMHz-x-x-x-xx This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P.] and displays the current DRAM profile information. The profile information varies according to the DRAM O.C. Profile you've selected. 3.3.4 CPU Ratio [Auto] Allows you to set the ratio between the CPU Core Clock and the FSB Frequency. Use the and keys to adjust the ratio. The valid value ranges vary according to your CPU model. 3.3.5 DRAM Frequency [Auto] Allows you to set the DDR3 operating frequency. The configuration options vary with the CPU Bus Frequency item settings. Selecting a very high DRAM frequency may cause the system to become unstable! If this happens, revert to the default setting. 3.3.6 CPU/NB Frequency [Auto] Allows you to select the CPU/NB frequency. Configuration options: [Auto] [1200MHz] [1400MHz] [1600MHz] [1800MHz] [2000MHz] 3.3.7 HT Link Speed [Auto] Allows you to select the HyperTransport link speed. Configuration options: [Auto] [200MHz] [400MHz] [600MHz] [800MHz] [1000MHz] [1200MHz] [1400MHz] [1600MHz] [1800MHz] [2000MHz] 3.3.8 DRAM Timing Configuration The configuration options for some of the following items vary depending on the DIMMs you install on the motherboard. DRAM CAS# Latency [Auto] Configuration options: [Auto] [4 CLK] - [12 CLK] DRAM RAS# to CAS# Delay [Auto] Configuration options: [Auto] �[5��C�L��K 1�2��C�L�K��] DRAM RAS# PRE Time [Auto] Configuration options: [Auto] �[5��C�L��K 1�2��C�L�K��] ROG Crosshair IV Formula 3-11

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ROG Crosshair IV Formula
3-11
Profile Info : xxxxMHz–x-x-x-xx
This item appears only when you set the
Ai Overclock Tuner
item to [D.O.C.P.]
and displays the current DRAM profile information. The profile information varies
according to the
DRAM O.C. Profile
you’ve selected.
3.3.4
CPU Ratio [Auto]
Allows you to set the ratio between the CPU Core Clock and the FSB Frequency.
Use the <+> and <-> keys to adjust the ratio. The valid value ranges vary
according to your CPU model.
3.3.5
DRAM Frequency [Auto]
Allows you to set the DDR3 operating frequency. The configuration options vary
with the
CPU Bus Frequency
item settings.
Selecting a very high DRAM frequency may cause the system to become
unstable! If this happens, revert to the default setting.
3.3.6
CPU/NB Frequency [Auto]
Allows you to select the CPU/NB frequency.
Configuration options: [Auto] [1200MHz] [1400MHz] [1600MHz] [1800MHz]
[2000MHz]
3.3.7
HT Link Speed [Auto]
Allows you to select the HyperTransport link speed.
Configuration options: [Auto] [200MHz] [400MHz] [600MHz] [800MHz] [1000MHz]
[1200MHz] [1400MHz] [1600MHz] [1800MHz] [2000MHz]
3.3.8
DRAM Timing Configuration
The configuration options for some of the following items vary depending on the
DIMMs you install on the motherboard.
DRAM CAS# Latency [Auto]
Configuration options: [Auto] [4 CLK] – [12 CLK]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [5 CLK] – [12 CLK]
[5 CLK] – [12 CLK]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [5 CLK] – [12 CLK]
[5 CLK] – [12 CLK]