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4 cpu ratio [auto, 5 dram frequency [auto – Asus M4A87TD EVO User Manual

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2-12

ASUS M4A87TD EVO

Manual

Allows you to individually set overclocking parameters.

Auto

Loads the optimal settings for the system.

D.O.C.P

Allows you to select a DRAM O.C. profile, and the related parameters will be

adjusted automatically.

CPU Level UP

Allows you to select a CPU level, and the related parameters will be adjusted

automatically.

The configuration options for the following sub-items vary depending on the CPU/DIMMs

you install on the motherboard.

OC From CPU Level UP [Auto]

This item appears only when you set the Ai Overclock Tuner item to [Manual] and allows

you to select a CPU level. The related parameters will be automatically adjusted according to

the selected CPU level.

DRAM O.C. Profile [DDR3-1600MHz]
This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P.] and

allows you to select a DRAM O.C. profile, which applies different settings to DRAM

frequency, DRAM timing and DRAM voltage. Configuration options: [DDR3-1600MHz]

[DDR3-1800MHz] [DDR3-1866MHz] [DDR3-2000MHz]
Profile Info : xxxxMHz–x-x-x-xx
This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P.] and

displays the current DRAM profile information. The profile information varies according

to the DRAM O.C. Profile you’ve selected.

2.5.4

CPU Ratio [Auto]

Allows you to set the ratio between the CPU Core Clock and the FSB Frequency. Use the

<+> and <-> keys to adjust the ratio. The valid value ranges vary according to your CPU

model.

CPU Bus Frequency [XXX]

This item appears only when you set the Ai Overclock Tuner item to [Manual] and displays

displays

the frequency sent by the clock generator to the system bus and PCI bus. Use the <+> and

<-> keys to adjust the CPU Bus frequency. You can also key in the desired frequency using

the numeric keypad. The values range from 100 to 600.

PCIE Frequency [XXX]

This item appears only when you set the Ai Overclock Tuner item to [Manual] and allows

allows

you to set the PCI Express frequency. Use the <+> and <-> keys to adjust the PCIE

frequency. You can also key in the desired value using the numeric keypad. The values range

from 100 to 150.

2.5.5

DRAM Frequency [Auto]

Allows you to set the DDR3 operating frequency. The configuration options vary with the CPU

Bus Frequency item settings.

Selecting a very high DRAM frequency may cause the system to become unstable! If this

happens, revert to the default setting.