Table of Contents
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Copyright
This publication, including all photographs, illustrations and software, is protected
under international copyright laws, with all rights reserved. Neither this manual, nor
any of the material contained herein, may be reproduced without written consent of
the author.
Version 1.0A
Disclaimer
The information in this document is subject to change without notice. The manufac-
turer makes no representations or warranties with respect to the contents hereof and
specifically disclaims any implied warranties of merchantability or fitness for any
particular purpose. The manufacturer reserves the right to revise this publication and
to make changes from time to time in the content hereof without obligation of the
manufacturer to notify any person of such revision or changes.
Trademark Recognition
Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corp.
MMX, Pentium, Pentium-II, Pentium-III, Celeron are registered trademarks of Intel
Corporation.
Other product names used in this manual are the properties of their respective
owners and are acknowledged.
Federal Communications Commission (FCC)
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. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:
•
Reorient or relocate the receiving antenna
•
Increase the separation between the equipment and the receiver
•
Connect the equipment onto an outlet on a circuit different from that to
which the receiver is connected
•
Consult the dealer or an experienced radio/TV technician for help
Shielded interconnect cables and a shielded AC power cable must be employed with
this equipment to ensure compliance with the pertinent RF emission limits govern-
ing this device. Changes or modifications not expressly approved by the system ' s
manufacturer could void the user's authority to operate the equipment.
Preface
Preface
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Table of Contents
Troubleshooting
Related Manuals for ECS H55H-M2
Summary of Contents for ECS H55H-M2
- Page 1 Preface Copyright This publication, including all photographs, illustrations and software, is protected under international copyright laws, with all rights reserved. Neither this manual, nor any of the material contained herein, may be reproduced without written consent of the author. Version 1.0A Disclaimer The information in this document is subject to change without notice.
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Page 2: Declaration Of Conformity
Declaration of Conformity This device complies with part 15 of the FCC rules. Operation is subject to the following conditions: • This device may not cause harmful interference, and • This device must accept any interference received, including interfer- ence that may cause undesired operation Canadian Department of Communications This class B digital apparatus meets all requirements of the Canadian Interference- causing Equipment Regulations. -
Page 3: Table Of Contents
T T T T T ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS Preface Chapter 1 Introducing the Motherboard Introduction...................1 Feature....................2 Specifications................4 Motherboard Components............5 7 7 7 7 7 Chapter 2 Installing the Motherboard Safety Precautions................7 Choosing a Computer Case.............7 Installing the Motherboard in a Case..........7... - Page 4 PCI/PnP Setup..............37 PC Health Status...............38 M.I.B.II (MB Intelligent BIOS II)........42 Load Default Settings............44 Supervisor Password............44 User Password..............45 Save & Exit Setup...............45 Exit Without Saving.............45 Updating the BIOS..............46 47 47 47 47 47 Chapter 4 Using the Motherboard Software About the Software DVD-ROM/CD-ROM........47 Auto-installing under Windows XP/Vista/7.......47 Running Setup..............48 Manual Installation................50...
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Page 5: Introducing The Motherboard
Chapter 1 Introducing the Motherboard Introduction Thank you for choosing the H55H-M2 motherboard. This motherboard is a high performance, enhanced function motherboard designed to support the LGA1156 ® socket for latest Intel Core i7/Core i5/Core i3 processors for high-end busi- ness or personal desktop markets. -
Page 6: Feature
Feature Processor ® The motherboard uses an LGA1156 type of Intel Core i7/Core i5/Core processors that carries the following features: • Intel ® Core i7/Core i5/Core i3 and Pentium ® processor series • DMI 2.5 GT/S • Supports “Hyper-Threading” technology CPU “Hyper-Threading”... -
Page 7: Bios Firmware
Audio This motherboard may support either of the following Audio chipsets: • 7.1+2 Channel High Definition Audio Codec • Meets Microsoft WLP3.x (Windows Logo Program) audio requirements • All DACs supports 44.1k/48k/96k/192kHz sample rate • Analog differential CD input • Software selectable 2.5V/3.2V/4.0V VREFOUT •... -
Page 8: Specifications
Specifications • LGA1156 socket for latest Intel ® Core i7/Core i5/Core i3 processors • Supports “Hyper-Threading” technology CPU • DMI 2.5 GT/S Chipset • Intel H55 Express Chipset Memory • Dual-channel DDR3 memory architecture • 4 x 240-pin DDR3 DIMM sockets support up to 16 GB •... -
Page 9: Motherboard Components
Motherboard Components Introducing the Motherboard... - Page 10 Table of Motherboard Components LABEL COMPONENTS ® LGA1156 socket for Intel Core i7/Core 1. CPU Socket Core i3 processors 2. DDR3_1~4 240-pin DDR3 SDRAM slots 3. CPU_FAN CPU cooling fan connector 4. SYS_FAN System cooling fan connector 5. PWR_FAN Power cooling fan connector 6.
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Page 11: Installing The Motherboard
Chapter 2 Installing the Motherboard Safety Precautions • Follow these safety precautions when installing the motherboard • Wear a grounding strap attached to a grounded device to avoid dam- age from static electricity • Discharge static electricity by touching the metal case of a safely grounded object before working on the motherboard •... - Page 12 Do not over-tighten the screws as this can stress the motherboard. Installing the Motherboard...
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Page 13: Checking Clear Cmos Button
Checking clear CMOS button The following illustration shows the location of the clear CMOS button. Name Type Description Setting (default) NO PUSH: NORMAL PUSH: CLEAR CLR_CMOS_BTN button CLEAR CMOS Before clearing the CMOS, make sure to CLR_CMOS_BTN turn the system off. To avoid the system unstability after clearing CMOS, we recommend users to enter the main BIOS setting page to “Load Default Settings”... -
Page 14: Installing Hardware
Installing Hardware Installing the Processor Caution: When installing a CPU heatsink and cooling fan make sure that you DO NOT scratch the motherboard or any of the surface- mount resistors with the clip of the cooling fan. If the clip of the cooling fan scrapes across the motherboard, you may cause serious damage to the motherboard or its components. -
Page 15: Cpu Installation Procedure
CPU Installation Procedure The following illustration shows CPU installation components. A. Opening of the Load Plate · Put your thumb on the tail of the load plate and press the tail down. · Rotate the load plate to fully open position. -
Page 16: Installing Memory Modules
Installing Memory Modules This motherboard accommodates four memory modules. It can support four 240-pin DDR3 1333/1066. The total memory capacity is 16 GB. DDR3 SDRAM memory module table Memory module Memory Bus DDR3 1066 533 MHz DDR3 1333 667 MHz You must install at least one module in any of the four slots. - Page 17 Table A: DDR3 (memory module) QVL (Qualified Vendor List) The following DDR3 1600/1333/1066 memory modules have been tested and quali- fied for use with this motherboard. Type Size Vendor Module Nam e 512 MB ELPIDA PC3-8500U-7-00-AP HYMT112U64ZNF8-G8 AA Hynix HMT112U6AFP8C-G7N0 AA Kingston KVR1066D3N7/1G MT8JTF12864AY-1G1D1...
- Page 18 Type Size Vendor Module Name A-data High speed flying dragon Elixir M2Y2G64CB8HA9N-DG 0928.TWr F3-12800CL9D-4GBNQ F3-12800CL9D-4GBECO G.SKILL 2 GB DDR3 1600 F3-12800CL7D-4GBECO F3-12800CL9D-4GBRL KingMax FLGE85F-B8KG9 NEES Kingston KVR1333D3N9/4G Installing the Motherboard...
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Page 19: Expansion Slots
Expansion Slots Installing Add-on Cards The slots on this motherboard are designed to hold expansion cards and connect them to the system bus. Expansion slots are a means of adding or enhancing the motherboard’s features and capabilities. With these efficient facilities, you can in- crease the motherboard’s capabilities by adding hardware that performs tasks that are not part of the basic system. - Page 20 Follow these instructions to install an add-on card: Remove a blanking plate from the system case corresponding to the slot you are going to use. Install the edge connector of the add-on card into the expansion slot. Ensure that the edge connector is correctly seated in the slot. Secure the metal bracket of the card to the system case with a screw.
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Page 21: Connecting Optional Devices
Connecting Optional Devices Refer to the following for information on connecting the motherboard’s optional devices: SATA1~5: Serial ATA connectors These connectors are used to support the new Serial ATA devices for the highest data transfer rates (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It elimi- nates limitations of the current Parallel ATA interface. - Page 22 F_USB1~3: Front Panel USB headers The motherboard has four USB ports installed on the rear edge I/O port array. Additionally, some computer cases have USB ports at the front of the case. If you have this kind of case, use auxiliary USB connector to connect the front-mounted ports to the motherboard.
- Page 23 TPM: Trusted Cryptography Module/TPM Module Header This header allows user to protect the PC from impermissible visit. Signal Name Signal Name CK_P_33M_TPM FWH4 PCIRST_L1 SMBDATA PCIRST_L1 FWH2 VCC3 FWH1 FWH0 3VSBY SIRQ LPCPD_L SMBCLK COM1~2: Onboard serial port headers Connect a serial port extension bracket to this header to add a second serial port to your system.
- Page 24 LPT: Onboard parallel port header This is a header that can be used to connect to the printer, scanner or other devices. Signal Name Signal Name STROBE ERROR INIT SLCTIN Ground Ground Ground Ground Ground Ground BUSK Ground Ground SLCT GPS/DPS: Graphics processor sensor/Discrete processor sensor The GPS indicator LED shows if the installed CPU contains embedded graphics engine.
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Page 25: Installing A Sata Hard Drive
Installing a SATA Hard Drive This section describes how to install SATA hard drives. About SATA Connectors Your motherboard features five SATA connectors supporting a total of five drives. SATA refers to Serial ATA (Advanced Technology Attachment) is the standard inter- face for the IDE hard drives which are currently used in most PCs. -
Page 26: Connecting I/O Devices
Connecting I/O Devices The backplane of the motherboard has the following I/O ports: PS2 Keyboard Use the left PS/2 port to connect a PS/2 pointing device. PS2 Mouse Use the right PS/2 port to connect a PS/2 keyboard. DVI Port Use the DVI port to connect the monitor. -
Page 27: Connecting Case Components
Connecting Case Components After you have installed the motherboard into a case, you can begin connecting the motherboard components. Refer to the following: Connect the CPU cooling fan cable to CPU_FAN. Connect the standard power supply connector to ATX_POWER. Connect the case switches and indicator LEDs to the F_PANEL. Connect the system cooling fan connector to SYS_FAN. - Page 28 Connecting 4-pin power cable The ATX12V4P power connector is used to provide power to the CPU. When installing 4-pin power cable, the latches of power cable and the ATX12V4P match perfectly. 4-pin power cable CPU_FAN: CPU Cooling FAN Power Connector Signal Name Function System Ground...
- Page 29 SYS_FAN/PWR_FAN: Cooling FAN Power Connector Signal Name Function System Ground +12V Power +12V Sense Sensor SPK: Internal speaker Signal Name Signal ATX12V4P: ATX 12V Power Connector Signal Name Ground Ground +12V +12V Installing the Motherboard...
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Page 30: Front Panel Header
Front Panel Header The front panel header (F_PANEL) provides a standard set of switch and LED headers commonly found on ATX or micro-ATX cases. Refer to the table below for information: Signal Function Signal Function HD_LED_P Hard disk LED (+) FP PWR/SLP *MSG LED (+) HD_LED_N Hard disk LED (-) FP PWR/SLP *MSG LED (-) -
Page 31: Using Bios
Chapter 3 Using BIOS About the Setup Utility The computer uses the latest “American Megatrends Inc. ” BIOS with support for Windows Plug and Play. The CMOS chip on the motherboard contains the ROM setup instructions for configuring the motherboard BIOS. The BIOS (Basic Input and Output System) Setup Utility displays the system ’... -
Page 32: Resetting The Default Cmos Values
Press the delete key to access the BIOS Setup Utility. CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc. Standard CMOS Setup M.I.B II (MB Intelligent BIOS II) Advanced Setup Load Default Settings Advanced Chipset Setup Supervisor Password Integrated Peripherals User Password Power Management Setup Save &... -
Page 33: Using Bios
Using BIOS When you start the Setup Utility, the main menu appears. The main menu of the Setup Utility displays a list of the options that are available. A highlight indicates which option is currently selected. Use the cursor arrow keys to move the highlight to other options. -
Page 34: Standard Cmos Setup
For the purpose of better product maintenance, we reserve the right to change the BIOS items presented in the manual. The BIOS setup screens shown in this chapter are for reference only. Please visit our website for updated manual. Standard CMOS Setup This option displays basic information about your system. - Page 35 SATA1~5/ESATA This motherboard supports six SATA channels and each channel allows one SATA device to be installed. Use these items to configure each device on the SATA channel. CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc. SATA1 Help Item SATA1 Select the type Device :...
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Page 36: Advanced Setup
Enabled 1st Boot Device Hard Drive 2nd Boot Device CD/DVD 3rd Boot Device Removable Dev. Boot Other Device ECS eJIFFY Function Disabled : Move Enter : Select +/-/: Value F10: Save ESC: Exit F1: General Help F9: Optimized Defaults Thermal Management (Enabled) This item displays CPU’s temperature and enables you to set a safe temperature to... - Page 37 ECS eJIFFY Function (Disabled) Use this item to enable or disable the ECS eJIFFY Function. eJIFFY is ECS unique software program for the quick access to the internet without entering O.S. Please refer to Chapter 5 to know more about eJIFFY.
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Page 38: Advanced Chipset Setup
Advanced Chipset Setup This page sets up more advanced information about your system. Handle this page with caution. Any changes can affect the operation of your computer. CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc. Advanced Chipset Setup Help Item PAVP Mode Lite... -
Page 39: Integrated Peripherals
Integrated Peripherals This page sets up some parameters for peripheral devices connected to the system. CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc. Integrated Peripherals Help Item SATA Configuration Onboard SATA Mode Enhanced Onboard AUDIO Function Enabled AHCI Onboard LAN Function1 Enabled Disabled... -
Page 40: Power Management Setup
USB Functions (Enabled) Use this item to enable or disable the USB function. Legacy USB Support (Enabled) Use this item to enable or disable support for legacy USB device. Power Management Setup This page sets up some parameters for system power management operation. CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc. -
Page 41: Pci/Pnp Setup
Resume on RTC Alarm (Disabled) The system can be turned off with a software command. If you enable this item, the system can automatically resume at a fixed time based on the system RTC (realtime clock). Use the items below this one to set the date and time of the wake-up alarm. You must use an ATX power supply in order to use this feature. -
Page 42: Pc Health Status
PC Health Status On motherboards support hardware monitoring, this item lets you monitor the parameters for critical voltages, temperatures and fan speeds. CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc. PC Health Status Help Item -=- System Hardware Monitor-=- Smart Fan Function Press Enter CPU Temperature... - Page 43 SMART Fan Mode (Normal) This item allows you to select the fan mode (Normal, Quiet, Silent, or Manual) for a better operation environment. If you choose Normal mode, the fan speed will be auto adjusted depending on the CPU temperature. If you choose Quite mode, the fan speed will be auto minimized for quiet environment.
- Page 44 CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc. Smart Fan Function Help Item CPU SMART FAN Control Enabled SMART Fan Mode Manual Options CPU SMART Fan start PWM Normal: auto adjusts CPU SMART Fan start TEMP (°C) depending on the CPU DeltaT temperature.
- Page 45 ECS supports the latest PECI host technology. While using Core 2 Quad or Core 2 Duo CPU which supports PECI, the original images of the BIOS item “PC Health Status” and “Smart FAN Function” will be replaced by PECI mode and negative number. (The max data from PECI is zero.) CMOS Setup Utility - Copyright (C) 1985-2005, American Megatrends, Inc.
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Page 46: M.i.b.ii (Mb Intelligent Bios Ii)
M.I.B. II (MB Intelligent BiosII) This page enables you to set the clock speed and system bus for your system. The clock speed and system bus are determined by the kind of processor you have in- stalled in your system. CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc. - Page 47 PCIE Over-clocking Func (Disabled) This item enables or disables the PCIE over-clocking function. Spread Spectrum (Enabled) If you enable spread spectrum, it can significantly reduce the EMI (Electro-Magnetic Interference) generated by the system. Auto Detect DIMM/PCI Clk (Enabled) When this item is enabled, BIOS will disable the clock signal of free DIMM/PCI slots. Voltage Function (Disabled) Use this item to enable or disable the Voltage Function.
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Page 48: Load Default Settings
Load Default Settings This option opens a dialog box that lets you install stability-oriented defaults for all appropriate items in the Setup Utility. Select <OK> and then press <Enter> to install the defaults. Select <Cancel> and then press <Enter> to not install the defaults. -
Page 49: User Password
User Password This page helps you install or change a password. CMOS Setup Utility - Copyright (C) 1985-2005, American Megatrends, Inc. User Password User Password : Not Installed Help Item Change Supervisor Password Press Enter : Move Enter : Select +/-/: Value F10: Save ESC: Exit F1: General Help... -
Page 50: Updating The Bios
Updating the BIOS You can download and install updated BIOS for this motherboard from the manufacturer’s Web site. New BIOS provides support for new peripherals, improve- ments in performance, or fixes for known bugs. Install new BIOS as follows: If your motherboard has a BIOS protection jumper, change the setting to allow BIOS flashing. -
Page 51: Using The Motherboard Software
Chapter 4 Using the Motherboard Software About the Software DVD-ROM/CD-ROM The support software DVD-ROM/CD-ROM that is included in the motherboard package contains all the drivers and utility programs needed to properly run the bundled products. Below you can find a brief description of each software program, and the location for your motherboard version. -
Page 52: Running Setup
Drivers Tab Setup Click the Setup button to run the software installation program. Select from the menu which software you want to install. Browse CD The Browse CD button is the standard Windows command that al- lows you to open Windows Explorer and show the contents of the support disk. - Page 53 Click Next. The following screen appears: Check the box next to the items you want to install. The default options are recom- mended. Click Next run the Installation Wizard. An item installation screen appears: Follow the instructions on the screen to install the items. Drivers and software are automatically installed in sequence.
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Page 54: Manual Installation
Windows Vista/7 will appear below UAC (User Account Control) message after the system restart. You must select “Allow” to install the next driver. Continue this process to complete the drivers installation. Manual Installation Insert the disk in the DVD-ROM/CD-ROM drive and locate the PATH.DOC file in the root directory. -
Page 55: Setting Up Ejiffy
Note: eJIFFY is ECS optional feature utility corresponding to the DVD activation and BIOS setup. Please check the hard copy user’s guide or product color-box to see if the model has embodded eJIFFY feature. -
Page 56: Installation And Bios Setup
DVD Activation Finish the DVD utility setup, and then set the BIOS to complete eJIFFY activation. 1. Insert ECS software utility DVD and enter below “Utilities” screen. Click eJIFFY feature item to install. 2. Follow the onscreen instructions to finish eJIFFY setup. - Page 57 3. After setting up eJIFFY under Windows, you can switch eJIFFY display/keyboard language from English to your local language. The changes will be applied after rebooting. Note: The keyboard language selection list offers several more regional keyboard setups to switch with the default English typing. Please refer to the usage FAQ for more tips.
- Page 58 Setup button on the post screen to enter the BIOS setup page after boot up. 5. And then enter the Advanced Setup page to enable the item ECS eJIFFY Func- tion. Press F10 to save the configuration and exit. Restart your computer.
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Page 59: Entering Ejiffy
Entering eJIFFY The post screen appears within several seconds after boot up and it has three buttons on it, Operating system, eJIFFY and BIOS Setup. Click to enter the normal OS you have installed such as Windows. Click to enter eJIFFY OS. Click to set the BIOS. -
Page 60: Features Icons
Feature Icons The following illustration shows the main feature icons that eJIFFY provides on the menu. eWeb: Firefox for web browsing/webmail and watching flash video. ePix: Photo viewing. ePal: On-line chat tool to use the most popular IMs in the world. (MSN, ICQ , AIM, etc.) Shows ePal on-line connection status. -
Page 61: Usage Faq
Usage FAQ Language Control Panel: Besides setting English as the default interface, eJIFFY offers multi-language displays and keyboard settings for language- switch. Open the language control panel to select a preferable language setting. Keyboard Language Setup to open the language control panel. Step1. - Page 62 Step 2: Click “Keyboard Language” icon to open the keyboard selection list, which offers several regional keyboard settings besides default English keyboard. Step 3: Click the selected keyboard language (e.g. French) and press “OK”. Setting Up eJIFFY...
- Page 63 Tips for Language Switch: Tip 1: Click “Change Keyboard” icon to switch the typing language. The typing language on text box will switch to the selected one: Click again to switch to English typing back. Tip 2. If you use the default English keyboard, eJIFFY still offers other language inputs to switch with English.
- Page 64 Setting Up eJIFFY...
- Page 65 Setting Up eJIFFY...
- Page 66 Tip 3. How to change display language? Open the Language Control Panel and click to show the display language list. Check your desired display language. Your selected display language will be applied after rebooting. Setting Up eJIFFY...
- Page 67 eWeb: Firefox for web browsing/webmail and watching flash video. Q1: How to download files to hard disk through eWeb? Click on the file link directly. Then select “Save File” in the pop-up window. 1. Before downloading files, please “mount” the storage devices to make Note: sure the device is connected with eJIFFY interface.
- Page 68 Q2: How to save image file through eWeb? 1. Select the image you want to save and press the right key of your mouse to show the menu, then click the option “ Save Image As” from the menu. 2. Then the “Save Image” window appears. You may rename the image file in the “Name”...
- Page 69 ePix: Photo viewing. Q1: How to find image files saved in hard disk through ePix? Enter the ePix window, then click the icon “Folder” located in the upper left-hand corner, then follow the path for the files you have saved to view the image files. Setting Up eJIFFY...
- Page 70 Q2: How to use the fit function under slide show? 1. Click “Edit” and select “Preferences” option from the menu. 2. Click “Viewer” and choose “Keep previous zoom” in “After loading an im- age”. Close the window and you can use the fit function under slide show now. Note: ePix supports to view image files only.
- Page 71 Mount/Unmount Disk. Q1: What does it mean for “Mount Disk”? “Mount” means to connect the storage devices to eJIFFY interface. After plugging the external device to the computer such as USB drives, a new disk icon will appear as the following picture shows. Please click the “mount” prompt on the icon.
- Page 72 Memo Setting Up eJIFFY...
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Page 73: Trouble Shooting
Chapter 6 Trouble Shooting Start up problems during assembly After assembling the PC for the first time you may experience some start up problems. Before calling for technical support or returning for warranty, this chapter may help to address some of the common questions using some basic troubleshooting tips. -
Page 74: Start Up Problems After Prolong Use
c) The PC suddenly shuts down while booting up. 1. The CPU may experience overheating so it will shutdown to protect itself. Ensure the CPU fan is working properly. 2. From the BIOS setting, try to disable the Smartfan function to let the fan run at default speed. - Page 76 Memo Trouble Shooting...
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Page 77: Post Code Checkpoints
POST Code Checkpoints The POST code checkpoints are the largest set of checkpoints during the BIOS pre- boot process. The following table describes the type of checkpoints that may occur during the POST portion of the BIOS : Checkpoint Description Disable NMI, Parity, video for EGA, and DMA controllers. - Page 78 module for initialization. Initialize language and font modules for ADM. Activate ADM module. Initializes the silent boot module. Set the window for displaying text information. Displaying sign-on message, CPU information, setup key message, and any OEM specific information. Initializes different devices through DIM. See DIM Code Checkpoints section of document for more information.