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Intel Desktop Board DH67BL Performance Tuning Guide Intel Desktop Board DH67BL Performance Tuning Guide 2nd Generation Intel® Core™ Processor Family and Intel® H67 Express Chipset General Concepts 2.1 Architecture Intel Desktop Board DH67BL is an Intel® H67 Express chipset-based desktop board in microATX form factor. It supports the 2nd generation Intel® Core™ i7 processors, Intel® Core™ i5 processors, and other Intel® processors in the LGA1155 package. The board features DVI-I and HDMI* connectors, and supports dual independent display for processors with Intel® HD Graphics. Powered by the 2nd generation Intel Core processors, Intel Desktop Board DH67BL delivers a superb visual performance for sharper images, richer color, and life-like audio and video. Intel Desktop Board DH67BL also offers premium features, such as two SATA 6 Gb/s ports, two USB 3.0 ports with 5 Gb/s link speed, and Intel® Rapid Storage Technology (Intel® RST) for RAID 0, 1, 5, and 10, which provides new levels of protection, performance, and expandability. A simplified system block diagram is shown in Figure 2.1. Figure 2.1. Simplified Block Diagram Intel Desktop Board DH67BL Performance Tuning Guide Intel Desktop Board DH67BL Performance Tuning Guide Intel® Desktop Board DH67BL Performance Tuning Using BIOS Setup 3.1 Hardware Considerations for Performance Tuning 3.1.1 System Cooling Performance tuning may result in additional system heat generation. Increased cooling capability may be required to allow performance tuning and operation of a performance tuned system while maintaining stable operation. Considerations for increasing cooling capability may include, but are not limited to, chassis type, selection of air or liquid cooling, processor cooler design, memory module design, and overall system airflow. Extreme performance tuning requires system designs with increasingly sophisticated cooling capabilities. It is beyond the scope of this guide to provide detailed recommendations for system cooling. CAUTION Cooling induced moisture condensation will result in risk for electrical shorting and subsequent damage to the board and/or the system. 3.2 Accessing BIOS Setup The BIOS setup screen can be accessed at system startup by pressing the F2 key at the BIOS screen prompt. It is advisable to run the latest BIOS revision to ensure that performance features are at the highest level of optimization. The latest version BIOS can be obtained from Instructions for loading the BIOS into the board can also be found at this location. Before initiating performance tuning, ensure that the BIOS setup defaults have been loaded by pressing F9 while in BIOS setup mode and then pressing F10 to save those settings. Intel Desktop Board DH67BL Performance Tuning Guide 3.3 Obtain the Latest Drivers For the Intel HD Graphics performance settings to function properly, you will need to install the graphics driver for Intel Desktop Board DH67BL. The latest graphics driver version can be obtained from Instructions for loading the graphics driver can also be found at this link. The generic driver included on the Microsoft Windows* 7 installation disk will not contain drivers that enable Intel HD Graphics performance tuning. 3.4 Recovering from an Unstable System Should performance values be set beyond the point of stable system operation, the system may exhibit a failure to boot, a blue screen, a system hang, or a recovery screen. A common Intel HD Graphics instability includes a windows driver crash that may require a system reboot. Exceeding the system stability limits is normal during the performance tuning process and restoring system operation using a BIOS configuration jumper or power removal may be required as explained in the sections below. 3.4.1 BIOS Configuration Jumper For a POST failure, you will need to perform a recovery using the BIOS configuration jumper that is provided on the motherboard to boot into BIOS in safe mode. You will need to open the system chassis to access the jumper. Please refer to the Intel Desktop Board DH67BL Product Guide for additional information on using the BIOS jumper for recovery purposes. 3.4.2 Remove Power and Reboot For a system hang, resetting your system or removing and reapplying power will allow the system to initiate a reboot. During reboot, press the F2 key to enter BIOS to adjust performance settings in BIOS to restore system stability. Intel Desktop Board DH67BL Performance Tuning Guide 3.5 Intel Desktop Board DH67BL Performance Tuning Process There are numerous possibilities for desktop board performance tuning. The approach presented is a general starting point and may not be suitable for all cases. Desktop board performance tuning is an iterative process. The settings for one parameter may affect which settings will work for another parameter. For example, increasing the graphics max multiplier may require an adjustment to the graphics voltag...