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Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device. • Before connecting or removing signal cables from the motherboard, ensure that all power
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About this guide This user guide contains the information you need when installing and configuring the motherboard. How this guide is organized This guide contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the motherboard and the new technology it supports. • Chapter 2: BIOS information This chapter tells how to change system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided. Where to find
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Conventions used in this guide To ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual. DANGER/WARNING: Information to prevent injury to yourself when completing a task. CAUTION: Information to prevent damage to the components when completing a task IMPORTANT: Instructions that you MUST follow to complete a task. . NOTE: Tips and additional information to help you complete a task. Typography Bold text Indicates a menu or an item to sel
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C8HM70-I SERIES specifications summary ® ® CPU Intel Celeron 847 (BGA1023) ® Chipset Intel HM70 chipset Memory 2 x SODIMM, max. 16GB, DDR3 1333/1066 MHz, non-ECC, un-buffered memory Dual-channel memory architecture • Refer to www.asus.com or the user manual for Memory QVL (Qualify Vendor List) ® Graphics Integrated Graphics Processor- Intel HD Graphics support - Supports D-sub with Max. resolution of 2048x1536@75 Hz - Supports HDMI with Max. resolution of 1920x1200@60 Hz (C8HM70- I/HDMI only
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C8HM70-I SERIES specifications summary BIOS features 64 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI2.0, WfM2.0,SM BIOS 2.7, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3 Support DVD Drivers ASUS utilities ASUS Update Anti-virus software (OEM version) Form factor Mini ITX Form Factor, 6.7” x 6.7” (17cm x 17cm) Specifications are subject to change without notice. ix
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Package contents Check your motherboard package for the following items. KB_USB910 ATX12V USB3_12 CHA_FAN ® Intel CPU_FAN Celeron847 HDMI Super ® Intel I/O SATA6G_1 HM70 64Mb BIOS LAN_USB34 SATA3G_1 RTL 8111F USB1112 F_PANEL CLRTC AAFP AUDIO C8HM70-I/HDMI SPEAKER ALC CHASSIS 887 SB_PWR PCIEX16_1 1 x Serial ATA 3.0 Gb/s cable ASUS C8HM70-I/HDMI motherboard 1 x Serial ATA 6.0 Gb/s cable 1 x I/O-Shield User Guide Support DVD • C8HM70-I Series motherboards include C8HM70-I and C8HM70-I/HDMI models.
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Product introduction 1 1.1 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity. • Hold components by the edges to avoid touching the ICs on them. •
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1.2 Motherboard overview Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Ensure that you unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components. C8HM70-I Series motherboards include C8HM70-I and C8HM70-I/HDMI models. The package contents vary from models. The layout illustrations in this user guide are for C8HM70-I/HDMI only.
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17.0cm(6.7in) 1.2.3 Motherboard layout 1 2 3 4 KB_USB910 ATX12V CHA_FAN USB3_12 ® Intel CPU_FAN Celeron847 HDMI 5 ® Super Intel I/O SATA6G_1 HM70 64Mb 13 BIOS LAN_USB34 SATA3G_1 RTL 2 8111F 12 USB1112 F_PANEL CLRTC AAFP AUDIO C8HM70-I/HDMI SPEAKER ALC CHASSIS 887 SB_PWR PCIEX16_1 11 10 9 8 7 6 Following Intel’s specification, USB 2.0 ports 5 ~ 8 are disabled on the motherboards with ® Intel HM70 chipset. 1.2.4 Layout contents Connectors/Jumpers/Slots/LED Page 1. CPU and chassis fan connectors (
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1.3 Central Processing Unit (CPU) ® The motherboard comes with an onboard Intel Celeron™ 847 (BGA1023) processor and a specially designed CPU heatsink. ® Intel Celeron847 C8HM70-I/HDMI C8HM70-I/HDMI CPU Celeron847 1.4 System memory 1.4.1 Overview This motherboard comes with two Double Data Rate 3 (DDR3) Small Outline Dual Inline Memory Modules (SO-DIMM) sockets. The figure illustrates the location of the DDR3 DIMM sockets: Channel Sockets Channel A DIMM_A1 Channel B DIMM_B1 C8HM70-I/HDMI C8H
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C8HM70-I Series Motherboard Qualified Vendors Lists (QVL) DDR3-1333 MHz capability DIMM socket SS/ support (optional) Vendors Part No. Size Chip Brand Chip No. Timing Voltage DS 1DIMM 2DIMMs CORSAIR CMSO2GX3M1A1333C9 2GB DS CORSAIR 256M8DCJG - - · · CORSAIR CMSO4GX3M1A1333C9 4GB DS CORSAIR 256M8DCJG - - · · G.SKILL F3-10666CL9S-2GBSQ 2GB DS G.SKILL D3 256M8GEF 9-9-9-24 - · · G.SKILL F3-10666CL9S-4GBSQ 4GB DS G.SKILL D3 256M8GEF 9-9-9-24 - · · GEIL GS31GB1333C9SC 1GB DS GEIL GL1L128M88BA15B 9-9
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1.5 Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. 1.5.1 Installing an expansion card To install an expansion card: 1. Before installing the expansion card, read the documentation that came with it and make the necessary hardware settin
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1.6 Jumpers Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. CLRTC 1 2 2 3 Normal Clear RTC C8HM70-I/HDMI (Default) C8HM70-I/HDMI Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power c
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1.7 Connectors 1.7.1 Rear panel connectors 1 2 3 4 8 10 9 7 6 5 1. PS/2 Keyboard / Mouse Combo port. This port is for a PS/2 keyboard or PS/2 mouse. 2. LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications. LAN port LED indications Speed Activity Link LED LED Activity/Link LED Speed LED Status Description Status Description OFF No link OFF 10Mbps connectio
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To configure an 8-channel audio output: Use a chassis with HD audio module in the front panel to support an 8-channel audio output. 6. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are for USB 2.0/1.1 devices. 7. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other VGA-compatible devices 8. HDMI port (C8HM70-I/HDMI only). This port is for a High-Definition Multimedia Interface (HDMI) connector, and is HDCP compliant allowing playback of
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1.7.2 Internal connectors 1. Front panel audio connector (10-1 pin AAFP) This connector is for a chassis-mounted front panel audio I/O module that supports either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector. AAFP PIN 1 PIN 1 HD-audio-compliant Legacy AC’97 C8HM70-I/HDMI pin definition compliant definition C8HM70-I/HDMI Front panel audio connector • We recommend that you connect a high-definition front panel audio module t
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C8HM70-I SERIES
• C8HM70-I
• C8HM70-I/HDMI
Motherboard
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E7848 First Edition November 2012 Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”). Product warranty or service will not be extended if:
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Contents Safety information ....................................................................................................... v About this guide ......................................................................................................... vi C8HM70-I SERIES specifications summary ........................................................... viii Package contents ........................................................................................................ x Product intr
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2.4 Ai Tweaker menu ........................................................................................2-12 2.4.1 Memory Frequency [Auto] .............................................................2-12 2.4.2 DRAM Timing Control ...................................................................2-13 2.4.3 CPU Power Management .............................................................2-13 2.5 Advanced menu ..................................................................................
