User manual ASROCK A785GM-LE128M

[. . . ] A785GM-LE/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. [. . . ] 7) GND +12V PWR_FAN_SPEED CPU Fan Connector (4-pin CPU_FAN1) (see p. 13 No. 6) 4 3 2 1 GND +12V CPU_FAN_SPEED FAN_SPEED_CONTROL 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 ATX Power Connector (24-pin ATXPWR1) (see p. 13 No. 8) 12 24 Please connect an ATX power supply to this connector. 1 13 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. 12 24 20-Pin ATX Power Supply Installation 1 13 ATX 12V Power Connector (4-pin ATX12V1) (see p. 13 No. 1) Please note that it is necessary to connect a power supply with ATX 12V plug to this connector. Failing to do so will cause power up failure. 28 Serial port Header (9-pin COM1) (see p. 13 No. 34) 1 RRXD1 DDTR#1 DDSR#1 CCTS#1 This COM1 header supports a serial port module. RRI#1 RRTS#1 GND TTXD1 DDCD#1 2. 9 SAT SATAII Hard Disk Setup Guide Before installing SATAII hard disk to your computer, please carefully read below SATAII hard disk setup guide. Some default setting of SATAII hard disks may not be at SATAII mode, which operate with the best performance. In order to enable SATAII function, please follow the below instruction with different vendors to correctly adjust your SATAII hard disk to SATAII mode in advance; otherwise, your SATAII hard disk may fail to run at SATAII mode. Western Digital 7 8 5 6 3 4 1 2 If pin 5 and pin 6 are shorted, SATA 1. 5Gb/s will be enabled. On the other hand, if you want to enable SATAII 3. 0Gb/s, please remove the jumpers from pin 5 and pin 6. SAMSUNG 7 8 5 6 3 4 1 2 If pin 3 and pin 4 are shorted, SATA 1. 5Gb/s will be enabled. On the other hand, if you want to enable SATAII 3. 0Gb/s, please remove the jumpers from pin 3 and pin 4. HITACHI Please use the Feature Tool, a DOS-bootable tool, for changing various ATA features. Please visit HITACHI’s website for details: http://www. hitachigst. com/hdd/support/download. htm The above examples are just for your reference. For different SATAII hard disk products of different vendors, the jumper pin setting methods may not be the same. Please visit the vendors’ website for the updates. 29 AT (SAT AT (SAT 2. 10 Serial ATA (SATA) / Serial ATAII (SATAII) Hard Disks Installation This motherboard adopts AMD SB710 south bridge chipset that supports Serial ATA (SATA) / Serial ATAII (SATAII) hard disks and RAID (RAID 0, RAID 1, RAID 10 and JBOD) functions. You may install SATA / SATAII hard disks on this motherboard for internal storage devices. STEP 1: Install the SATA / SATAII hard disks into the drive bays of your chassis. STEP 3: Connect one end of the SATA data cable to the motherboard’s SATAII connector. STEP 4: Connect the other end of the SATA data cable to the SATA / SATAII hard disk. If you plan to use RAID 0 or RAID 1 function, you need to install at least 2 SATA / SATAII hard disks. [. . . ] 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]. 60 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. [. . . ]