Asus Z97-PROWi-Fi ac/USB 3.1 Z97-PROWi-Fi acUSB 31 Users Manual English - Page 96

Ai Overclock Tuner [Auto]

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Ai Overclock Tuner [Auto] This item allows you to select the CPU overclocking options to achieve the desired CPU internal frequency. Select any of these preset overclocking configuration options: [Auto] Loads the optimal settings for the system. [Manual] Automatically optimizes the CPU ratio and BCLK frequency. [XMP] When the XMP(extreme memory profile) mode is selected, the BCLK frequency and memory parameters will be optimized automatically. If you install memory modules supporting the XMP(extreme memory profile) Technology, select this item to set the profiles supported by your memory modules for optimizing the system performance. The following item appears only when you set the Ai Overclocking Tuner to [Manual]. CPU Strap [Auto] This item allows you to select a strap close to your target BCLK (base clock) for an extreme overclocking, or leave it at [Auto] for the BIOS to upgrade. Configuration options: [Auto] [100MHz] [125MHz] [166MHz] [250MHz] The following item appears only when you set the CPU Strap to [100MHz], [125MHz], [167MHz], or [250MHz]. Source Clock Tuner [Auto] This item allows you to select the source clock based on the assigned CPU strap for a better overclocking capability. Configuration options: [8Ohm dbl] [7Ohm dbl] [6Ohm dbl] [5Ohm dbl] [4Ohm dbl] [3Ohm dbl] [2Ohm dbl] PLL Selection [Auto] This item is set to LC PLL by default for better stability. Select SB PLL when the BCLK (base clock) frequency is far away from 100 MHz. This may affect the function of other devices that need precise clock jitters. Configuration options: [Auto] [LC PLL] [SB PLL] Filter PLL [Auto] Set this item to high BCLK (base clock) mode when using a very high BCLK to improve overclocking capability. Configuration options: [Auto] [Low BCLK mode] [High BCLK mode] BCLK Frequency [Auto] This item allows you to set the BCLK (base clock) frequency to enhance the system performance. Use the or to adjust the value. The values range from 80.0 MHz to 300.0 MHz. We recommend you to set the value based on the CPU specification, as high BCLK frequencies may damage the CPU permanently. Chapter 3 3-16 Chapter 3: BIOS setup

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3-16
Chapter 3: BIOS setup
Chapter 3
Ai Overclock Tuner [Auto]
This item allows you to select the CPU overclocking options to achieve the desired CPU
internal frequency. Select any of these preset overclocking configuration options:
[Auto]
Loads the optimal settings for the system.
[Manual]
Automatically optimizes the CPU ratio and BCLK frequency.
[XMP]
When the XMP(extreme memory profile) mode is selected, the BCLK
frequency and memory parameters will be optimized automatically. If you
install memory modules supporting the XMP(extreme memory profile)
Technology, select this item to set the profiles supported by your memory
modules for optimizing the system performance.
The following item appears only when you set the Ai Overclocking Tuner to
[Manual]
.
CPU Strap [Auto]
This item allows you to select a strap close to your target BCLK (base clock) for an
extreme overclocking, or leave it at
[Auto]
for the BIOS to upgrade.
Configuration options: [Auto] [100MHz] [125MHz] [166MHz] [250MHz]
The following item appears only when you set the CPU Strap to
[100MHz]
,
[125MHz]
,
[167MHz]
, or
[250MHz]
.
Source Clock Tuner [Auto]
This item allows you to select the source clock based on the assigned CPU
strap for a better overclocking capability.
Configuration options: [8Ohm dbl] [7Ohm dbl] [6Ohm dbl] [5Ohm dbl]
[4Ohm dbl] [3Ohm dbl] [2Ohm dbl]
PLL Selection [Auto]
This item is set to LC PLL by default for better stability. Select SB PLL when the BCLK
(base clock) frequency is far away from 100 MHz. This may affect the function of other
devices that need precise clock jitters.
Configuration options: [Auto] [LC PLL] [SB PLL]
Filter PLL [Auto]
Set this item to high BCLK (base clock) mode when using a very high BCLK to improve
overclocking capability.
Configuration options: [Auto] [Low BCLK mode] [High BCLK mode]
BCLK Frequency [Auto]
This item allows you to set the BCLK (base clock) frequency to enhance the system
performance. Use the <+> or <-> to adjust the value. The values range from 80.0 MHz
to 300.0 MHz.
We recommend you to set the value based on the CPU specification, as high BCLK
frequencies may damage the CPU permanently.