User manual ASROCK B75M-DGS

[. . . ] B75M-DGS User Manual Version 1. 0 Published July 2012 Copyright©2012 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. [. . . ] 25) Setting Description Default Clear CMOS Note: CLRCMOS1 allows you to clear the data in CMOS. To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord from the power supply. After waiting for 15 seconds, use a jumper cap to short pin2 and pin3 on CLRCMOS1 for 5 seconds. However, please do not clear the CMOS right after you update the BIOS. If you need to clear the CMOS when you just finish updating the BIOS, you must boot up the system first, and then shut it down before you do the clear-CMOS action. Please be noted that the password, date, time, user default profile, 1394 GUID and MAC address will be cleared only if the CMOS battery is removed. If you clear the CMOS, the case open may be detected. Please adjust the BIOS option “Clear Status” to clear the record of previous chassis intrusion status. 23 2. 9 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Placing jumper caps over the headers and connectors will cause permanent damage of the motherboard! Serial ATA2 Connectors (SATA2_1: see p. 12, No. 12) Serial ATA (SATA) Data Cable (Optional) Print Port Header (25-pin LPT1) (see p. 12, No. 20) SATA2_3 SATA2_1 SATA2_2 These three Serial ATA2 (SATA2) connectors support SATA data cables for internal storage devices. The current SATA2 interface allows up to 3. 0 Gb/s data transfer rate. This Serial ATA3 (SATA3) connector supports SATA data cables for internal storage devices. The current SATA3 interface allows up to 6. 0 Gb/s data transfer rate. Either end of the SATA data cable can be connected to the SATA / SATA2 / SATA3 hard disk or the SATA2 / SATA3 connector on this motherboard. This is an interface for print port cable that allows convenient connection of printer devices. SATA3_0 AFD# ERROR# PINIT# SLIN# GND 1 SPD7 SPD6 ACK# SPD5 BUSY SPD4 PE SPD3 SLCT SPD2 SPD1 SPD0 STB# USB 2. 0 Headers (9-pin USB4_5) (see p. 12, No. 18) Besides four default USB 2. 0 ports on the I/O panel, there are two USB 2. 0 headers on this motherboard. Each USB 2. 0 header can support two USB 2. 0 ports. 24 (9-pin USB6_7) (see p. 12, No. 6) IntA_P0_D+ IntA_P0_DGND IntA_P0_SSTX+ IntA_P0_SSTXGND IntA_P0_SSRX+ IntA_P0_SSRXVbus 1 Vbus IntA_P1_SSRXIntA_P1_SSRX+ GND IntA_P1_SSTXIntA_P1_SSTX+ GND IntA_P1_DIntA_P1_D+ DUMMY Besides two default USB 3. 0 ports on the I/O panel, there is one USB 3. 0 header on this motherboard. This USB 3. 0 header can support two USB 3. 0 ports. Infrared Module Header (5-pin IR1) (see p. 12, No. 23) IRTX +5VSB DUMMY 1 GND IRRX This header supports an optional wireless transmitting and receiving infrared module. Front Panel Audio Header (9-pin HD_AUDIO1) (see p. 12, No. 21) GND PRESENCE# MIC_RET OUT_RET 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L This is an interface for front panel audio cable that allows convenient connection and control of audio devices. 1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. [. . . ] 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]. 53 Boot Failure Guard Enable or disable the feature of Boot Failure Guard. Boot Failure Guard Count Use this item to configure Boot Failure Guard Count. Boot From Onboard LAN Use this item to enable or disable the Boot From Onboard LAN feature. 3. 7 Security Screen In this section, you may set or change the supervisor/user password for the system. [. . . ]