Asus M3N72-D - Manual (Page 94)

4-22 Chapter 4: BIOS setup
iGPU Frame Buffer Control [Auto]
Allows you to set the onboard GPU frame buffer control mode.
Configuration options: [Auto] [Manual]
Frame Buffer Size [128M]
This item becomes user-configurable when you set the iGPU Frame Buffer
Control item to [Manual] and allows you to set frame buffer size for onboard GPU.
Configuration options: [64M] [128M] [256M] [512M]
The configuration options for this item vary depending on the total memory size
you install on the motherboard.
Onboard GPU [Auto]
Allows you to enable or disable the onboard GPU. Set this item to [Auto] to disable
the onboard GPU if the system detects any external graphics card. Set this item
to [Always Enable] to enable the onboard GPU even if the system detects any
external graphics card.
Configuration options: [Auto] [Always Enable]
K8<->NB HT Speed [Auto]
Allows you to set the HyperTransport speed between the CPU and the
Northbridge.
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] [2 GHz] [2.2 GHz] [2.4 GHz] [2.6 GHz]
K8<->NB HT Width [Auto]
Allows you to set the HyperTransport width between the CPU and the Northbridge..
Configuration options: [↓ 8 ↑ 8 ] [↓16 ↑16 ] [Auto]
CPU Spread Spectrum [Disabled]
Set to [Disabled] to enhance FSB overclocking ability or [Enabled] for EMI control.
Configuration options: [Disabled] [Enabled]
PCIE Spread Spectrum [Disabled]
Set to [Disabled] to enhance PCIE overclocking ability or [Down Spread] for EMI
control.
Configuration options: [Disabled] [Down Spread]
SATA Spread Spectrum [Disabled]
Allows you to adjust the SATA spread spectrum setting.
Configuration options: [Disabled] [Down Spread]