ASRock 939A8X-M User Manual - Page 7

BIOS: OS: AMI BIOS Supports "Plug and Play" ACPI 1.1 compliance wake up events SMBIOS 2.3.1 support CPU frequency stepless control (only for advanced users' reference, see CAUTION 6) Microsoft® Windows® 98SE / ME / 2000 / XP compliant CAUTION! 1. For power-saving sake, it is strongly recommended to enable AMD's Cool 'n' QuietTM technology under Windows system. See APPENDIX on page 37 to enable AMD's Cool 'n' QuietTM technology. 2. 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. 3. Do NOT use a 3.3V AGP card on the AGP slot of this motherboard! It may cause permanent damage! 4. 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. 5. For microphone input, this motherboard supports mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, and 8channel modes. Please check the table on page 9 for proper connection. 6. Although this motherboard offers stepless control, it is not recommended to perform over-clocking. Frequencies other than the recommended CPU FSB frequencies may cause the instability of the system or damage the CPU. 7