User manual ASROCK 939A785GMH128M

[. . . ] 939A785GMH/128M User Manual Version 1. 0 Published September 2009 Copyright©2009 ASRock INC. All rights reserved. 1 Copyright Notice: No part of this manual may be reproduced, transcribed, transmitted, or translated in any language, in any form or by 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. Disclaimer: 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. [. . . ] 12) USB_PWR P-5 P+5 GND DUMMY 1 GND P+4 P-4 USB_PWR Print Port Header (25-pin LPT1) (see p. 12 No. 25) 1 AFD# ERROR# PINIT# SLIN# GND SPD7 SPD6 ACK# SPD5 BUSY SPD4 PE SPD3 SLCT SPD2 SPD1 SPD0 STB# This is an interface for print port cable that allows convenient connection of printer devices. Infrared Module Header (5-pin IR1) (see p. 12 No. 30) 1 IRTX +5V DUMMY GND IRRX This header supports an optional wireless transmitting and receiving infrared module. This connector allows you to receive stereo audio input from sound sources such as a CD-ROM, DVD-ROM, TV tuner card, or MPEG card. This is an interface for the front panel audio cable that allows convenient connection and control of audio devices. Internal Audio Connectors (4-pin CD1) (CD1: see p. 12 No. 28) CD-L GND GND CD-R CD1 Front Panel Audio Header (9-pin HD_AUDIO1) (see p. 12, No. 29) 1 GND PRESENCE# MIC_RET OUT_RET OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L 26 1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instruction in our manual and chassis manual to install your system. If you use AC’97 audio panel, please install it to the front panel audio header as below: A. Click the icon on the lower right hand taskbar to enter Realtek HD Audio Manager. For Windows® XP / XP 64-bit OS: Click “Audio I/O”, select “Connector Settings” , choose “Disable front panel jack detection”, and save the change by clicking “OK”. For Windows® VistaTM / VistaTM 64-bit OS: Click the right-top “Folder” icon , choose “Disable front panel jack detection”, and save the change by clicking “OK”. For Windows® XP / XP 64-bit OS: Please select “Front Mic” as default record device. If you want to hear your voice through front mic, please deselect "Mute" icon in “Front Mic” of “Playback” portion. For Windows® VistaTM / VistaTM 64-bit OS: Go to the "Front Mic" Tab in the Realtek Control panel. Click "Set Default Device" to make the Front Mic as the default record device. System Panel Header (9-pin PANEL1) (see p. 12 No. 23) 1 PLED+ PLEDPWRBTN# GND This header accommodates several system front panel functions. DUMMY RESET# GND HDLEDHDLED+ Chassis Speaker Header (4-pin SPEAKER 1) (see p. 12 No. 22) 1 SPEAKER DUMMY DUMMY +5V Please connect the chassis speaker to this header. 27 Chassis and Power Fan Connectors (3-pin CHA_FAN1) (see p. 12 No. 16) GND +12V CHA_FAN_SPEED Please connect the fan cables to the fan connectors and match the black wire to the ground pin. (3-pin PWR_FAN1) (see p. 12 No. 13) PWR_FAN_SPEED +12V GND CPU Fan Connector (4-pin CPU_FAN1) (see p. 12 No. 5) GND +12V CPU_FAN_SPEED FAN_SPEED_CONTROL 1 2 3 4 Please connect the CPU fan cable to this connector and match the black wire to the ground pin. Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin CPU fan still can work successfully even without the fan speed control function. [. . . ] If you enable the option “Full Screen Logo” but you want to see the AddOn ROM information when the system boots, please select [Enabled]. The default value is [Enabled]. 56 Boot Logo Use this option to select logo in POST screen. This option only appears when you enable the option “Full Screen Logo”. Boot From Onboard LAN Use this item to enable or disable the Boot From Onboard LAN feature. [. . . ]