User manual ASROCK A785GXH 128M

[. . . ] A785GXH/128M User Manual Version 1. 0 Published August 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. [. . . ] 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. Set the Front Panel Control option from [Auto] to [Enabled]. System Panel Header (9-pin PANEL1) (see p. 13 No. 19) 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. 13 No. 21) 1 SPEAKER DUMMY DUMMY +5V Please connect the chassis speaker to this header. Chassis, NB and Power Fan Connectors (3-pin CHA_FAN1) (see p. 13 No. 22) 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 NB_FAN1) (see p. 13 No. 37) GND +12V PWR_FAN_SPEED CPU Fan Connector (4-pin CPU_FAN1) (see p. 13 No. 5) FAN_SPEED_CONTROL CPU_FAN_SPEED +12V GND 4 3 2 1 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 plan to connect the 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3. Pin 1-3 Connected 3-Pin Fan Installation 33 ATX Power Connector (24-pin ATXPWR1) (see p. 13 No. 8) 12 24 Please connect an ATX power supply to this connector. 1 13 24 Though this motherboard provides 24-pin ATX power connector, it can still work if you adopt a traditional 20-pin ATX power supply. To use the 20-pin ATX power supply, please plug your power supply along with Pin 1 and Pin 13. 20-Pin ATX Power Supply Installation 12 1 13 ATX 12V Power Connector (8-pin ATX12V1) (see p. 13 No. 2) 8 4 5 1 Please connect an ATX 12V power supply to this connector. Though this motherboard provides 8-pin ATX 12V power connector, it can still work if you adopt a traditional 4-pin ATX 12V power supply. To use the 4-pin ATX power supply, please plug your power supply along with Pin 1 and Pin 5. 8 5 4-Pin ATX 12V Power Supply Installation 4 1 Serial port Header (9-pin COM1) (see p. 13 No. 29) 1 RRXD1 DDTR#1 DDSR#1 CCTS#1 This COM1 header supports a serial port module. RRI#1 RRTS#1 GND TTXD1 DDCD#1 HDMI_SPDIF Header (3-pin HDMI_SPDIF1) (see p. 13 No. 32) 1 GND SPDIFOUT +5V HDMI_SPDIF header, providing SPDIF audio output to HDMI VGA card, allows the system to connect HDMI Digital TV/ projector/LCD devices. Please connect the HDMI_SPDIF connector of HDMI VGA card to this header. 34 HDMI_SPDIF Cable (Optional) C B A Please connect the black end (A) of HDMI_SPDIF cable to the HDMI_SPDIF header on the motherboard. Then connect the white end (B or C) of HDMI_SPDIF cable to the HDMI_SPDIF connector of HDMI VGA card. white end (2-pin) SPDIFOUT GND blue black 35 2. 10 HDMI_SPDIF Header Connection Guide HDMI (High-Definition Multi-media Interface) is an all-digital audio/video specification, which provides an interface between any compatible digital audio/video source, such as a set-top box, DVD player, A/V receiver and a compatible digital audio or video monitor, such as a digital television (DTV). A complete HDMI system requires a HDMI VGA card and a HDMI ready motherboard with a HDMI_SPDIF header. This motherboard is equipped with a HDMI_SPDIF header, which provides SPDIF audio output to HDMI VGA card, allows the system to connect HDMI Digital TV/projector/ LCD devices. To use HDMI function on this motherboard, please carefully follow the below steps. Install the HDMI VGA card to the PCI Express Graphics slot on this motherboard. [. . . ] 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]. 66 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. [. . . ]