ASROCK H61M-VG4 User Manual page 9

WARNING
Please realize that there is a certain risk involved with overclocking,
including adjusting the setting in the BIOS, applying Untied Overclocking
Technology, or using third-party overclocking tools. Overclocking may
affect your system'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.
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
bit CPU, there is no such limitation. You can use ASRock XFast
RAM to utilize the memory that
® TM
8 / 7 / Vista / XP. For Windows
Windows
9
®
OS with 64-
®
cannot use.