Chapter 3
A55F-M4 USER MANUAL
44
This page enables you to set the clock speed and system bus for your system. The
clock speed and system bus are determined by the kind of processor you have
installed in your system.
M.I.B III (MB Intelligent BIOS III) Menu
CPU Ratio/Voltage (Auto)
This item is used to set the CPU Ratio/Voltage.
Memory Clock (Auto)
This item is used to set the memory clock.
Memory Timing Configuration
This item shows the information of Memory Timing.
CAS Latency (tCL) (9)
This item determines the operation of DDR SDRAM memory CAS (column address
strobe). It is recommended that you leave this item at the default value. The 2T
setting requires faster memory that specifically supports this mode.
Memory Clock DCT0 is: (None)
This item shows current memory clock of DCT0.
Memory Clock DCT1 is: (DDR-1333/667Mhz)
This item shows current memory clock of DCT1.
Command Rate (N/A / 1T)
This item shows the command rate.
RAS# to CAS# Delay (tRCD) (N/A / 9)
This item specifies the RAS# to CAS# delay to Rd/Wr command to the same bank.
Row Precharge Time (tRP) (N/A /9)
This item specifies Row precharge to Active or Auto-Refresh of the same bank.
RAS# Active Time (tRAS) (N/A /24)
This item specifies the RAS# active time.
CPU Over-clocking Func. (Disabled)
This item enables or disables CPU over-clocking function.
IGD Over-clocking Func. (Disabled)
This item enables or disables IGD over-clocking function.
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
ESC/Right Click: Exit
F4: Save & Exit
CPU Ratio/Voltage Auto
Memory Clock Auto
Memory Timing Configuration Auto
Memory Clock DCT0 is : None
Command Rate N/A
CAS# Latency (tCL) N/A
RAS# to CAS# Delay (tRCD) N/A
Row Precharge Time (tRP) N/A
RAS# Active Time (tRAS) N/A
Memory Clock DCT1 is : DDR-1333/667Mhz
Command Rate 1 T
CAS# Latency (tCL) 9 CLK
RAS# to CAS# Delay (tRCD) 9 CLK
Row Precharge Time (tRP) 9 CLK
RAS# Active Time (tRAS) 24 CLK
CPU Over-clocking Func. Disabled
IGD Over-clocking Func. Disabled
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