Motherboard C8HM70-I
E7666 First Edition October 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”).
Contents Safety information........................................................................................................ v About this guide.......................................................................................................... vi C8HM70-I specifications summary.......................................................................... viii Package contents.........................................................................................................
2.4 2.5 2.6 2.7 2.8 2.9 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 Advanced menu...............................................................
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.
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.
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 trying to complete a task. CAUTION: Information to prevent damage to the components when trying to complete a task IMPORTANT: Instructions that you MUST follow to complete a task. . NOTE: Tips and additional information to help you complete a task.
C8HM70-I specifications summary CPU Intel® CeleronTM 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 up to 2048x1536@75 HZ Expansion slots 1 x PCIe 2.
C8HM70-I 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.
Package contents Check your motherboard package for the following items. KBMS _USB910 CHA_FAN Intel® Celeron847 VGA CPU_FAN Intel® HM70 Super I/O DDR3 DIMM_A1 (64bit, 204-pin module) ATX12V DDR3 DIMM_B1 (64bit, 204-pin module) USB3_12 SATA6G_1 64Mb BIOS LAN_USB34 SATA3G_1 EATXPWR RTL 8111F USB1112 AUDIO AAFP ALC 887 Lithium Cell CMOS Power F_PANEL CLRTC C8HM70-I SPEAKER CHASSIS SB_PWR PCIEX16_1 1 x Serial ATA 3.0 Gb/s cable 1 x Serial ATA 6.
Product introduction 1.1 Before you proceed 1 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.
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. 1.2.1 Placement direction 1.2.2 Screw holes When installing the motherboard, ensure that you place it into the chassis in the correct orientation.
1.2.3 Motherboard layout 1 2 3 4 17.0cm (6.7in) KBMS _USB910 CHA_FAN Intel® Celeron847 VGA 5 Intel® HM70 Super I/O 13 17.0cm (6.7in) DDR3 DIMM_B1 (64bit, 204-pin module) USB3_12 CPU_FAN DDR3 DIMM_A1 (64bit, 204-pin module) ATX12V SATA6G_1 64Mb BIOS LAN_USB34 SATA3G_1 USB1112 12 AUDIO AAFP Lithium Cell CMOS Power ALC 887 F_PANEL CLRTC C8HM70-I EATXPWR RTL 8111F SPEAKER CHASSIS SB_PWR 2 6 PCIEX16_1 11 10 9 8 7 Following Intel’s specification, USB 2.
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 C8HM70-I CPU Celeron847 1.4 System memory 1.4.1 Overview DIMM_B1 DIMM_A1 This motherboard comes with two Double Data Rate 3 (DDR3) Small Outline Dual Inline Memory Modules (SO-DIMM) sockets.
C8HM70-I Motherboard Qualified Vendors Lists (QVL) DDR3-1333 MHz capability Vendors Part No. Size SS/DS Chip Brand Chip NO. Timing CORSAIR CORSAIR G.SKILL G.
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.
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 2 2 Normal (Default) Clear RTC 1 C8HM70-I 3 C8HM70-I Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2.
1.7 Connectors 1.7.1 Rear panel connectors 1 2 9 8 7 3 4 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.
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. USB 3.0 ports 1 and 2. These two 9-pin Universal Serial Bus (USB) ports are available for connecting USB 3.0 devices. 9. DO NOT connect a keyboard / mouse to any USB 3.0 port when installing Windows® operating system. • Due to USB 3.0 controller limitation, USB 3.
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are for ATX power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.
4. CPU and chassis fan connectors (3-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. CHA_FAN GND CHA FAN PWR CHA FAN IN CHA FAN PWM CPU_FAN GND +12V Rotation C8HM70-I C8HM70-I Fan connectors Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components.
6. Serial ATA 3.0Gb/s connectors (7-pin SATA3G [blue]) This connector connects to Serial ATA 3.0 Gb/s hard disk drive or optical drive via Serial ATA 3.0 Gb/s signal cables. GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND SATA3G_1 C8HM70-I C8HM70-I SATA 3.0Gb/s connector 7. • You must install Windows® XP Service Pack 3 or later version before using Serial ATA hard disk drives.
8. System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions. F_PANEL PLED+ PLEDPWR GND PWR LED PWR BTN HD_LED+ HD_LEDGround HWRST# (NC) PIN 1 C8HM70-I +HD_LED RESET C8HM70-I System panel connector • System power LED (2-pin PWRLED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.
1.9 Software support 1.9.1 Installing an operating system This motherboard supports Windows® XP / Vista / 7 Operating Systems (OS). Always install the latest OS version and corresponding updates to maximize the features of your hardware. 1.9.2 • Motherboard settings and hardware options vary. Refer to your OS documentation for detailed information.
BIOS information 2.1 Managing and updating your BIOS 2 Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection either through a network or an Internet Service Provider (ISP).
Updating from the Internet a. Select Update BIOS from the Internet, then click Next. b. Select the ASUS FTP site nearest you to avoid network traffic, then click Next. c. From the FTP site, select the BIOS version that you wish to download then click Next. The ASUS Update utility is capable of updating itself through the Internet. Always update the utility to avail all its features. Updating from a BIOS file 3. a. Select Update BIOS from file, then click Next. b.
2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file. • Before using this utility, rename the BIOS file in the removable device into C8HM70I.CAP. • The BIOS file in the support DVD may not be the latest version.
2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to update BIOS in DOS environment. This utility also allows you to copy the current BIOS file that you can use as a backup when the BIOS fails or gets corrupted during the updating process. The succeeding utility screens are for reference only. The actual utility screen displays may not be same as shown. Before updating BIOS 1. Prepare the motherboard support DVD and a USB flash drive in FAT32/16 format and single partition. 2.
Updating the BIOS file To update the BIOS file using BIOS Updater: 1. At the FreeDOS prompt, type bupdater /pc /g and press . 2. The BIOS Updater screen appears as below. ASUSTek BIOS Updater for DOS V1.30 Current ROM BOARD: C8HM70-I VER: 0202 DATE: 08/29/2012 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ C8HM70-I.CAP A: Note [Enter] Select or Load [Up/Down/Home/End] Move 8390656 2012-02-09 17:30:48 [Tab] Switch [B] Backup [V] Drive Info [Esc] Exit 3.
2.2 BIOS setup program Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program. Entering BIOS Setup at startup To enter BIOS Setup at startup: • Press during the Power-On Self Test (POST). If you do not press , POST continues with its routines. Entering BIOS Setup after POST To enter BIOS Setup after POST: • Press ++ simultaneously.
BIOS menu screen The BIOS setup program can be used under two modes: EZ Mode and Advanced Mode. You can change modes from the Exit menu or from the Exit/Advanced Mode button in the EZ Mode/Advanced Mode screen. EZ Mode By default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overview of the basic system information, and allows you to select the display language, system performance mode and boot device priority.
Advanced Mode The Advanced Mode provides advanced options for experienced end-users to configure the BIOS settings. The figure below shows an example of the Advanced Mode. Refer to the following sections for the detailed configurations. To access the EZ Mode, click Exit, then select ASUS EZ Mode.
Menu items The highlighted item on the menu bar displays the specific items for that menu. For example, selecting Main shows the Main menu items. The other items (Ai Tweaker, Advanced, Monitor, Boot, Tool, and Exit) on the menu bar have their respective menu items. Back button This button appears when entering a submenu. Press or use the USB mouse to click this button to return to the previous menu screen.
2.3 Main menu 2.3.1 System Language [English] 2.3.2 System Date [Day xx/xx/xxxx] 2.3.3 System Time [xx:xx:xx] 2.3.4 Security The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an overview of the basic system information, and allows you to set the system date, time, language, and security settings. Allows you to choose the BIOS language version from the options.
Administrator Password If you have set an administrator password, we recommend that you enter the administrator password for accessing the system. Otherwise, you might be able to see or change only selected fields in the BIOS setup program. To set an administrator password: 1. Select the Administrator Password item and press . 2. From the Create New Password box, key in a password, then press . 3. Confirm the password when prompted. To change an administrator password: 1.
2.4 Ai Tweaker menu The Ai Tweaker menu items allow you to configure overclocking-related items. Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to malfunction. Target CPU Speed : 1100MHz Displays the target CPU speed. Target DRAM Speed : xxxxMHz Displays the target DRAM speed. 2.4.1 Memory Frequency [Auto] Allows you to set the memory operating frequency.
2.4.2 DRAM Timing Control The sub-items in this menu allow you to set the DRAM timing control features. Use the <+> and <-> keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press . Changing the values in this menu may cause the system to become unstable! If this happens, revert to the default settings. 2.4.3 CPU Power Management The sub-items in this menu allow you to set the CPU ratio and features.
2.5 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. 2.5.1 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Intel Adaptive Thermal Monitor [Enabled] [Enabled] Enables the overheated CPU to throttle its clock speed to cool down.
Execute Disable Bit [Enabled] [Enabled] Enables the No-Execution Page Protection Technology. [Disabled] Forces the XD feature flag to always return to zero (0). Intel Virtualization Technology [Disabled] [Enabled] Allows a hardware platform to run multiple operating systems separately and simultaneously, enabling one system to virtually function as several systems. [Disabled] Disables this function. Hardware Prefetcher [Enabled] [Disabled] Disables this function.
CPU C7 Report [Enabled] Allows you to disable or enable the CPU C7 report to OS. [Disabled] Disables this function. [Enabled] Enables the C7 report function. This item should be enabled in order to enable the Enhanced Halt State. Package C State Support [Auto] Allows you to disable or enable the Package C State Support. [Auto] Set this item automatically. [Disabled] Disables this function. [Enabled] Enables the Package C State Support function. 2.5.
2.5.4 System Agent Configuration Memory Remap Feature [Enabled] [Enabled] Allow you to enable remapping the memory above 4GB. [Disabled] Disables this function. Graphics Configuration Primary Display [Auto] Allows you to decide which graphics controller to use as the primary boot device. Configuration options: [Auto] [iGPU] [PCIE] iGPU Memory [Auto] Allows you to select the amount of system memory allocated to DVMT 5.0 used by the iGPU.
Intel xHCI Mode [Smart Auto] Allows you to select the Intel xHCI Mode. Configuration options: [Smart Auto] [Auto] [Enabled] [Disabled] EHCI Hand-off [Disabled] [Enabled] Enables the support for operating systems without an EHCI hand‑off feature. [Disabled] Disables the function. USB Single Port Control The items in this menu allow you to enable or disable the USB port individually. [Enabled] Enables the support for operating systems without an EHCI hand‑off feature.
2.5.7 APM Restore AC Power Loss [Power Off] [Power On] The system goes into on state after an AC power loss. [Power Off] The system goes into off state after an AC power loss. [Last State] The system goes into either off or on state, whatever the system state was before the AC power loss. Power On By PS/2 Keyboard [Disabled] [Disabled] Disables the Power On by a PS/2 keyboard. [Space Bar] Sets the Space Bar on the PS/2 keyboard to turn on the system.
2.6 Monitor menu 2.6.1 CPU Temperature / MB Temperature ������������� [xxxºC/xxxºF] 2.6.2 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A] The Monitor menu displays the system temperature/power status, and allows you to change the fan settings. The onboard hardware monitor automatically detects and displays the CPU and motherboard temperatures. Select Ignore if you do not wish to display the detected temperatures.
2.6.4 [Disabled] Chassis Q-Fan Control [Enabled] Disables the Chassis Q-Fan control feature. [Enabled] Enables the Chassis Q-Fan control feature. Chassis Fan Speed Low Limit [600 RPM] This item appears only when you enable the Chassis Q-Fan Control feature and allows you to disable or set the Chassis fan warning speed.
2.7 Boot menu The Boot menu items allow you to change the system boot options. Scroll down to display the following items: 2.7.1 Fast Boot [Enabled] Enables or disables the fast boot function. Configuration options: [Disabled] [Enabled] The following four items appear when Fast Boot is set to [Enabled].
USB Support [Partial In...] [Disabled] All the USB devices will be available only after entering the operating system (OS). [Full Initialization] All the USB devices will be available during POST and in OS. [Partial Initialization] Only the USB ports with keyboard and mouse can be detected before entering OS. PS2 Keyboard and Mouse Support [Auto] [Auto] The PS/2 devices are available when the system boots up as long as these devices are not reconnected or changed.
2.7.5 [Force BIOS] Option ROM Messages [Force BIOS] The third-party ROM messages will be forced to display during the boot sequence. [Keep Current] 2.7.6 The third-party ROM messages will be displayed only if the third-party manufacturer had set the add-on device to do so. Setup Mode [EZ Mode] [Advanced Mode] Sets Advanced Mode as the default screen for entering the BIOS setup program. [EZ Mode] 2.7.7 Sets EZ Mode as the default screen for entering the BIOS setup program.
Configuration options: [OK] Delete PK Configuration options: [Yes] [No] Load KEK from File Configuration options: [OK] Copy KEK to File Configuration options: [OK] Delete the KEK Configuration options: [Yes] [No] Append KEK from File Configuration options: [OK] Load DB from File Configuration options: [OK] Copy DB to File Configuration options: [OK] Delete the DB Configuration options: [Yes] [No] Append DB from File Configuration options: [OK] Load DBX from File Configuration options: [OK] Copy DBX to File
2.8 Tools menu 2.8.1 ASUS EZ Flash 2 Utility The Tools menu items allow you to configure options for special functions. Select an item then press to display the submenu. Allows you to run ASUS EZ Flash 2. Press [Enter] to launch the ASUS EZ Flash 2 screen. For more details, see section 2.1.2 ASUS EZ Flash 2. 2.8.2 ASUS O.C. Profile This item allows you to store or load multiple BIOS settings. The Setup Profile Status items show Not Installed if no profile is created.
2.9 Exit menu The Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to the BIOS items. You can access the EZ Mode from the Exit menu. Load Optimized Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press , a confirmation window appears. Select Yes to load the default values.
2-28 Chapter 2: Getting started
Appendices Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any interference received including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
IC: Canadian Compliance Statement Complies with the Canadian ICES-003 Class B specifications. This device complies with RSS 210 of Industry Canada. This Class B device meets all the requirements of the Canadian interference-causing equipment regulations. This device complies with Industry Canada license exempt RSS standard(s).
REACH Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://csr.asus.com/english/REACH.htm. DO NOT throw the motherboard in municipal waste. This product has been designed to enable proper reuse of parts and recycling.
ASUS contact information ASUSTeK COMPUTER INC. Address Telephone Fax E-mail Web site Technical Support Telephone Online support 15 Li-Te Road, Peitou, Taipei, Taiwan 11259 +886-2-2894-3447 +886-2-2890-7798 info@asus.com.tw www.asus.com.tw +86-21-38429911 support.asus.
C8HM70-I A-5 (510)739-3777/(510)608-4555 800 Corporate Way, Fremont, CA 94539. Asus Computer International Date : Signature : Representative Person’s Name : Sep. 25, 2012 Steve Chang / President This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
