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No part of this manual may be reproduced, transcribed, transmitted, or translated in any language, in any form or Asrock 775Twins-HDTV 1.90 any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Inc. Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners benefit, without intent to infringe.

Specifications and information contained in this manual are furnished for informational use only and subject to change without notice, and should not be constructed as a commitment by ASRock. ASRock assumes no responsibility for any errors or omissions that may appear in this manual.

List of drivers of Asrock in the category BIOS

With respect to the contents of this manual, ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose. In no event shall ASRock, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages including damages for loss of profits, loss of business, loss of data, interruption of business and the likeeven if ASRock has been advised of the possibility of such damages arising from any defect or error in the manual or product.

Operation is subject to the following two conditions: It delivers excellent performance with robust design conforming to ASRock s commitment to quality and endurance. In this manual, chapter 1 and 2 contain introduction of the motherboard and step-bystep guide to the hardware installation. Because the motherboard specifications and the BIOS software might be updated, the content Asrock 775Twins-HDTV 1.90 this manual will be subject to change without notice.

In case any modifications of this manual occur, the updated version will be available on ASRock website without further notice. Supports up to 2 floppy disk drives Audio: While CPU overheat is detected, the system will Asrock 775Twins-HDTV 1.90 shutdown.


Before you resume the system, please check if Asrock 775Twins-HDTV 1.90 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.

Do NOT use a 3. It may cause permanent damage! Power Management for USB 2. For microphone input, this motherboard supports mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, and 8- channel modes. Please check the table on page 9 for proper connection. Although this motherboard offers stepless control, Asrock 775Twins-HDTV 1.90 is not recommended to perform over-clocking. See the table below for connection details in accordance with the type of speaker you use.


Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Pre-installation Precautions Take note of the following precautions before you install motherboard components or change any Asrock 775Twins-HDTV 1.90 settings.

Before you install or remove any component, ensure that the power is switched off or the power cord is detached from the power supply. Unplug the power cord from the wall socket before touching any Asrock 775Twins-HDTV 1.90.


To avoid damaging the motherboard components due to static electricity, NEVER place your motherboard directly on the carpet or the like. Also remember to use a grounded wrist strap or touch a safety grounded object before you handle components. Hold components by the edges and do not touch the ICs. Whenever you uninstall any component, place it on a grounded antistatic pad or in Asrock 775Twins-HDTV 1.90 bag that comes with the component. When placing screws into the screw holes to secure the motherboard to the chassis, please do not over-tighten the screws! Doing so may damage the motherboard. Unlock the socket by lifting the lever up to a 90 angle.

Position the CPU Asrock 775Twins-HDTV 1.90 above the socket such that the CPU corner with the golden triangle matches the socket corner with a small triangle. Carefully insert the CPU into the socket until it fits in place. The CPU fits only in one correct orientation. The lever clicks on the side tab to indicate that it is locked.

ASRock beta bios for 775Twins-HDTV R2.0 beta bios 1 (m1.90a)

You also need to spray thermal grease between the CPU and the heatsink to improve heat dissipation. Make sure that the CPU and the heatsink are securely fastened and in good contact with each other. For proper installation, please kindly Asrock 775Twins-HDTV 1.90 to the instruction manuals of the CPU fan and the heatsink.

ATI™Radeon Xpress 4 ports of SATA Gb/s, support RAID 0, 1, JBOD, 2 ATA IDE Asrock 775Twins-HDTV 1.90. *Due to the chipset limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® XP and Windows® XP g: ‎ ‎Must include: ‎ Twins-HDTV/7/14, DOS, KB, Add new microcode. How to Update · Asia · Europe · USA · China./7/14, Windows®, KB.

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