Asus M4N78 Pro - Manual (Page 49)

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.