Asus M4N78 PRO User Guide - Page 49

DRAM Frequency Control [Auto], HT Link Speed [Auto]

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CPU Ratio [Auto] Allows you to set the ratio between the CPU Core Clock and the FSB Frequency. Use and to adjust the ratio. The valid value ranges vary according to your CPU model. FSB Frequency [200] Displays the frequency sent by the clock generator to the system bus and PCI bus. Use the and keys to adjust the FSB frequency. You can also type the desired FSB frequency using the numeric keypad. The values range from 200 to 600. PCIE Frequency [100] Use the and keys to adjust the PCIE frequency. You can also type the desired PCIE frequency using the numeric keypad. The values range from 100 to 200. 2.4.2 DRAM Frequency Control [Auto] Allows you to select the DRAM frequency control method. Configuration options: [Auto] [Manual] DRAM Frequency [667MHz] This item appears only when you set the Dram Frequency Control item to [Manual] and allows you to manually set the DRAM frequency. Configuration options: [667MHz] [800MHz] [1066MHz] CPU/NB Frequency [Auto] This item appears only when you set the AI Overclocking item to [Manual] and allows selection of the CPU frequency. Configuration options: [Auto] [800MHz] [1000MHz] [1200MHz] [1400MHz] [1600MHz] [1800MHz] 2.4.3 HT Link Speed [Auto] Allows you to set the CPU-Northbridge HyperTransport link speed. Configuration options: [Auto] [200 MHz] [400 MHz] [600 MHz] [800 MHz] [1 GHz] [1.2 GHz] [1.4 GHz] [1.6 GHz] [1.8 GHz] Memory Configuration This item appears only when you set the AI Overclocking item to [Manual] and allows you to change the advanced memory settings. Bank Interleaving [Auto] Allows you to enable or disable the bank memory interleaving. Configuration options: [Disabled] [Auto] Channel Interleaving [Auto] Allows you to set the channel interleaving mode. Configuration options: [Disabled] [Address bits 6] [Address bits 12] [XOR of Address bits [20:16, 6] [XOR of Address bits [20:16, 9]] [Auto] Enable Clock to All DIMMs [Disabled] Allows you to enable or disable unused clocks to all the DIMMs. Configuration options: [Disabled] [Enabled] MemClk Tristate C3/ATLVID [Disabled] Allows you to enable or disable MemClk Tri-Stating during C3 and Alt VID. Chapter 2: BIOS setup 2-13

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Chapter 2: BIOS setup
2-13
CPU Ratio [Auto]
Allows you to set the ratio between the CPU Core Clock and the FSB Frequency. Use <+>
and <-> to adjust the ratio. The valid value ranges vary according to your CPU model.
FSB Frequency [200]
Displays the frequency sent by the clock generator to the system bus and PCI bus. Use the
<+> and <-> keys to adjust the FSB frequency. You can also type the desired FSB frequency
using the numeric keypad. The values range from 200 to 600.
PCIE Frequency [100]
Use the <+> and <-> keys to adjust the PCIE frequency. You can also type the desired PCIE
frequency using the numeric keypad. The values range from 100 to 200.
2.4.2
DRAM Frequency Control [Auto]
Allows you to select the DRAM frequency control method.
Configuration options: [Auto] [Manual]
DRAM Frequency [667MHz]
This item appears only when you set the
Dram Frequency Control
item to [Manual] and
allows you to manually set the DRAM frequency.
Configuration options: [667MHz] [800MHz] [1066MHz]
CPU/NB Frequency [Auto]
This item appears only when you set the
AI Overclocking
item to [Manual] and allows
selection of the CPU frequency.
Configuration options: [Auto] [800MHz] [1000MHz] [1200MHz] [1400MHz] [1600MHz]
[1800MHz]
2.4.3
HT Link Speed [Auto]
Allows you to set the CPU-Northbridge HyperTransport link speed.
Configuration options: [Auto] [200 MHz] [400 MHz] [600 MHz] [800 MHz] [1 GHz] [1.2 GHz]
[1.4 GHz] [1.6 GHz] [1.8 GHz]
Memory Configuration
This item appears only when you set the
AI Overclocking
item to [Manual] and allows you to
change the advanced memory settings.
Bank Interleaving [Auto]
Allows you to enable or disable the bank memory interleaving.
Configuration options: [Disabled] [Auto]
Channel Interleaving [Auto]
Allows you to set the channel interleaving mode.
Configuration options: [Disabled] [Address bits 6] [Address bits 12] [XOR of Address
bits [20:16, 6] [XOR of Address bits [20:16, 9]] [Auto]
Enable Clock to All DIMMs [Disabled]
Allows you to enable or disable unused clocks to all the DIMMs.
Configuration options: [Disabled] [Enabled]
MemClk Tristate C3/ATLVID [Disabled]
Allows you to enable or disable MemClk Tri-Stating during C3 and Alt VID.