User manual ASUS P8B75-V

[. . . ] Motherboard P8B75-V E7146 First Edition February 2012 Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT. [. . . ] Allows you to individually set overclocking parameters. BCLK/PEG Frequency [XXX] Appears when you set the Ai Overclock Tuner item to [Manual] and allows you to adjust the CPU and VGA frequency to enhance the system performance. Use the <+> and <-> keys to adjust the value. The values range from 80. 0MHz to 300. 0MHz. Memory Frequency [Auto] Allows you to set the memory operating frequency. The configuration options vary with the BCLK/PCIE Frequency item settings. Selecting a very high memory frequency may cause the system to become unstable!The values range from xxxxMHz (by CPU) to 3000MHz with a 50MHz interval. Use <+>/<-> to adjust the value. EPU Power Saving Mode [Enabled] Allows you to enable or disable the EPU power saving function. Configuration options: [Disabled] [Enabled] Chapter 3 3-8 EPU Setting [Auto] This item appears only when you set the EPU Power Saving Mode item to [Enabled. ] and allows you to select the EPU power saving mode. Configuration options: [Auto] [Light Power Saving Mode] [Medium Power Saving Mode] [Max Power Saving Mode] GPU Boost [OK] [OK] [Cancel] Select [OK] to automatically optimize the iGPU frequency. Select [Cancel] to use a fixed iGPU frequency. DRAM Timing Control The sub-items in this menu allow you to set the DRAM timing control features. To restore the default setting, type [auto] using the keyboard and press the <Enter> key. Changing the values in this menu may cause the system to become unstable!If this happens, revert to the default settings. CPU Power Management The sub-items in this menu allow you to set the CPU ratio and features. Chapter 3: BIOS setup CPU Ratio [Auto] Allows you to manually adjust the maximum non-turbo CPU ratio. The valid value ranges vary according to your CPU model. Enhanced Intel SpeedStep Technology [Enabled] Allows you to enable or disable the Enhanced Intel® SpeedStep Technology (EIST). [Enabled] The operating system dynamically adjusts the processor voltage and core frequency which may result in decreased average consumption and decreased average heat production. [Enabled]  Allows processor cores to run faster than marked frequency in specific conditions. [Disabled] Disables this function. The following three items appear only when you set the Turbo Mode item to [Enabled]. Turbo Mode [Enabled] Long duration power limit [Auto] The default setting of this item will be TDP (65W or 95W for different CPUs). For Sandy Bridge, Turbo Ratio can be kept a time duration exceed TDP for maximum performance. Use the <+> and <-> keys to adjust the value. Long duration maintained [Auto] Short duration power limit [Auto] This is the second power limit to provide rapid protection when package power exceeds Power Limit 1. For Intel recommend, platform must be capable of supporting over Power Limit 2 for up to 10 msec. Use the <+> and <-> keys to adjust the value. Primary Plane Current Limit [Auto] Maximum instantaneous current allowed at any given time for CPU cores. Use the <+> and <-> keys to adjust the value. Secondary Plane Current Limit [Auto] Maximum instantaneous current allowed at any given time for internal graphics cores. Use the <+> and <-> keys to adjust the value. ASUS P8B75-V 3-9 Chapter 3 This value can vary from 1 to 32, which indicates the time window for Turbo Ratio over TDP should be maintained. Use the <+> and <-> keys to adjust the value. DIGI+ VRM CPU Load-Line Calibration [Auto] Load-line is defined by Intel VRM specifications, and affects CPU voltage. [. . . ] From the Graphics Adapter list, select the graphics card to act as the display GPU. Select Enable CrossFireX. 2 1 4 5-3 3 ASUS P8B75-V Chapter 5 Ensure that your PCI Express graphics card driver supports the ATI® CrossFireX™ technology. Download the latest driver from the AMD website at www. amd. com. 5. 2 LucidLogix Virtu MVP LucidLogix Virtu MVP allows your computer’s VGA output and discrete graphic cards to perform better, respond faster and process media files smoother within a low power environment. Its GPU virtualization assigns tasks to the best available graphic source while the newly-designed Virtual Vsync gives you a smoother gaming experience. • • • LucidLogix Virtu MVP supports Windows 7® operating systems. [. . . ]