Asus M4A89TD PRO/USB3 User Manual - Page 73

CPU Ratio [Auto], DRAM Frequency [Auto], CPU/NB Frequency [Auto], HT Link Speed [Auto]

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3.5.4 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. 3.5.5 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. 3.5.6 CPU/NB Frequency [Auto] Allows you to select the CPU/NB frequency. Configuration options: [Auto] [1400MHz] [1600MHz] [1800MHz] [2000MHz] 3.5.7 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] 3.5.8 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] DRAM RAS# PRE Time [Auto] Configuration options: [Auto] [5 CLK] - [12 CLK] DRAM RAS# ACT Time [Auto] Configuration options: [Auto] [15 CLK] - [30 CLK] DRAM READ to PRE Time [Auto] Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK] DRAM Row Cycle Time [Auto] Configuration options: [Auto] [11 CLK] - [41 CLK] Chapter 3 ASUS M4A89TD PRO Series 3-17

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ASUS M4A89TD PRO Series
3-17
Chapter 3
3.5.4
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.
3.5.5
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.
3.5.6
CPU/NB Frequency [Auto]
Allows you to select the CPU/NB frequency.
Configuration options: [Auto] [1400MHz] [1600MHz] [1800MHz] [2000MHz]
3.5.7
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]
3.5.8
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]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [5 CLK] – [12 CLK]
DRAM RAS# ACT Time [Auto]
Configuration options: [Auto] [15 CLK] – [30 CLK]
DRAM READ to PRE Time [Auto]
Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM Row Cycle Time [Auto]
Configuration options: [Auto] [11 CLK] – [41 CLK]