tem’s stability, or even cause damage to the components and devices of your system. It should be done at your own risk and expense. We are not responsible for possible damage caused by overclocking.8 ASRock H61M-DG3/USB3 Motherboard English CAUTION! 1. Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 7 / VistaTM / XP. For Windows® OS with 64-bit CPU, there is no such limitation. You can use ASRock XFast RAM to utilize the memory that Windows® cannot use. 2. ASRock XFast RAM is not supported by Microsoft® Windows® XP / XP 64-bit.9 ASRock H61M-DG3/USB3 Motherboard English 1.3 Unique Features ASRock Extreme Tuning Utility (AXTU) ASRock Extreme Tuning Utility (AXTU) is an all-in-one tool to ne-tune different system functions in a user-friendly interface, which includes Hardware Monitor, Fan Control, Overclocking, OC DNA, IES and XFast RAM. In Hardware Monitor, it shows the major readings of your system. In Fan Control, it shows the fan speed and temperature for you to adjust. In Overclocking, you are allowed to overclock CPU frequency for optimal system performance. In OC DNA, you can save your OC settings as a pro? le and share it with your friends. Your friends then can load the OC pro? le to their own system to get the same OC set- tings. In IES (Intelligent Energy Saver), the voltage regulator can reduce the number of output phases to improve ef? ciency when the CPU cores are idle without sacri? cing computing per- formance. In XFast RAM, it fully utilizes the memory space that cannot be used under Windows® OS 32-bit CPU. ASRock Instant Boot ASRock Instant Boot allows you to turn on your PC in just a few seconds, p...