ASRock P4i48 User Manual - Page 7

BIOS: OS: AMI legal BIOS, Supports "Plug and Play", ACPI 1.1 compliance wake up events, Supports jumperfree, SMBIOS 2.3.1 support, CPU frequency stepless control (only for advanced users' reference, see CAUTION 6) Microsoft® Windows® 98 SE / ME / 2000 / XP compliant CAUTION! 1. About the setting of "Hyper Threading Technology", please check page 22. 2. Please check the table below for the memory support frequency and its corresponding CPU FSB frequency. CPU FSB Frequency Memory Support Frequency 800 DDR266, DDR320*, DDR400 533 DDR266, DDR333 400 DDR266 * When you use an FSB800-CPU on this motherboard, it will run at DDR320 if you adopt a DDR333 memory module. 3. While CPU overheat is detected, the system will automatically shutdown. Before you resume the system, please check if the CPU fan on the motherboard functions properly and unplug the power cord, then plug it back again. To improve heat dissipation, remember to spray thermal grease between the CPU and the heatsink when you install the PC system. 4. Do NOT use a 3.3V AGP card on the AGP slot of this motherboard! It may cause permanent damage! 5. Power Management for USB 2.0 works fine under Microsoft® Windows® XP SP1 / 2000 SP4. It may not work properly under Microsoft® Windows® 98/ ME. Please refer to Microsoft® official document at http://www.microsoft.com/whdc/hwdev/bus/USB/USB2support.mspx 6. Although this motherboard offers stepless control, it is not recommended to perform over-clocking. Frequencies other than the recommended CPU bus frequencies may cause the instability of the system or damage the CPU. 7