Asus M2N-LR/SATA - Manual (Page 75)

-22 Chapter : BIOS setup
SouthBridge / MCP55 Configuration
The SouthBridge Configuration menu allows you to change the SouthBridge
settings.
CPU/LTD Spread Spectrum [Disabled]
Sets or disables the processor or Lightning Data Transport (LTD) spread spectrum.
Configuration options: [Disabled] [Center Spread] [Down Spread]
South Bridge/MCP55 Chipset Configuration
CPU/LDT Spread Spectrum [Center Spread]
PCIE Spread Spectrum [Enabled]
SATA Spread Spectrum [Enabled]
CPU Frequency, MHz [200.9]
MCP PCI-Express Frequency, MHZ [100]
Primary Graphics Adapter [PCI Express -> PCI]
Disabled
Center Spread
Down Spread
Options
L2 Cache BG Scrub [Disabled]
Disables or sets the L2 Cache BG Scrub. This item allows the cache RAM
to be corrected when idle. Configuration options: [Disabled] [40ns] [80ns]
[160na] [320ns] [640ns] [1.28us] [2.56us] [5.12us] [10.2us] [20.5us] [41.0us]
[81.9us] [163.8us] [327.7us] [655.4us]
Data Cache BG Scrub [Disabled]
Disables or sets the Data Cache BG Scrub. This item allows the data cache
BG Scrub RAM to be corrected when idle. Configuration options: [Disabled]
[40ns] [80ns] [160na] [320ns] [640ns] [1.28us] [2.56us] [5.12us] [10.2us]
[20.5us] [41.0us] [81.9us] [163.8us] [327.7us] [655.4us]
Power Down Control [Auto]
Allows the DIMMs to enter power down mode by deasserting the clock enable
signal when DIMMs are not in use.
Configuration options: [Auto] [Disabled]
Alternate VID [0.850 V]
Allows you to specify the alternate VID in low power states.
Configuration options: [1.050 V] [1.025 V] [1.000 V] [0.975 V]
[0.950 V] [0.925 V] [0.900 V] [0.875 V] [0.850 V] [0.825 V] [0.800 V]