ASRock M3A790GXH/128M Quick Installation Guide - Page 8

4. Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® XP and Windows® VistaTM. For Windows® XP 64-bit and Windows® VistaTM 64-bit with 64-bit CPU, there is no such limitation. 5. If you want to use CrossFireXTM or 3-Way CrossFireXTM function, please follow the instructions on page 22 and 23 to reverse the direction of ASRock SLI/XFire Switch Card in advance. 6. The maximum shared memory size is defined by the chipset vendor and is subject to change. Please check AMD website for the latest information. 7. 1080p Blu-ray (BD) / HD-DVD playback support on this motherboard requires the proper hardware configuration. Please refer to page 11 and 12 for the minimum hardware requirement and the passed 1080p Blu-ray (BD) / HD-DVD films in our lab test. 8. DTS (Digital Theater Systems) is a multi-channel digital surround sound format. To enable DTS function, you need to adjust the settings after audio driver installation. Please refer to "DTS Operation Guide" on page 41 for details. 9. 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. 10. Before installing SATAII hard disk to SATAII connector, please read the "SATAII Hard Disk Setup Guide" on page 42 of "User Manual" in the support CD to adjust your SATAII hard disk drive to SATAII mode. You can also connect SATA hard disk to SATAII connector directly. 11. This motherboard supports eSATAII interface, the external SATAII specification. Please read "eSATAII Interface Introduction" on page 37 for details about eSATAII and eSATAII installation procedures. 12. Power Management for USB 2.0 works fine under Microsoft® Windows® VistaTM 64-bit / VistaTM / XP 64-bit / XP SP1 or SP2. 13. It is a user-friendly ASRock overclocking tool which allows you to surveil your system by hardware monitor function and overclock your hardware devices to get the best system performance under Windows® environment. Please visit our website for the operation procedures of ASRock OC Tuner. ASRock website: http://www.asrock.com 14. Featuring an advanced proprietary hardware and software design, Intelligent Energy Saver is a revolutionary technology that delivers unparalleled power savings. The voltage regulator can reduce the number of output phases to improve efficiency when the CPU cores are idle. In other words, it is able to provide exceptional power saving and improve power efficiency without sacrificing computing performance. To use Intelligent Energy Saver function, please enable Cool 'n' Quiet option in the BIOS setup in advance. Please visit our website for the operation procedures of Intelligent Energy Saver. ASRock website: http://www.asrock.com 8 ASRock M3A790GXH/128M Motherboard English