ASRock 939S56-M Quick Installation Guide - Page 6

BIOS: OS: Audio Jack: Side Speaker / Rear Speaker / Central/Bass / Line In / Front Speaker / Microphone (see CAUTION 5) AMI Legal 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® 98 SE / 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 of "User Manual" in the support CD to enable AMD's Cool 'n' QuietTM technology. 2. This motherboard supports Untied Overclocking Technology. FSB enjoys better margin due to fixed PCI/PCIE buses. In other words, CPU FSB is untied during overclocking, but PCIE and PCI buses are in the fixed mode so that FSB can operate under a more stable overclocking environment. 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. 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 both stereo and mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, and 8-channel modes. Please check the table on page 3 for proper connection. 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. English 6 ASRock 939S56-M Motherboard