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 1.0 Disclaimer The information in this document is subject to change without notice.
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. • This device must accept any interference received, including interference that may cause undesired operation.
TABLE OF CONTENTS Preface i Chapter 1 1 Introducing the Motherboard 1 Introduction...........................................................................................1 Pakage Contents..................................................................................1 Specifications......................................................................................2 Motherboard Components................................................................4 I/O Ports...................................
Chapter 4 53 Using the Motherboard Software 53 Auto-installing under Windows XP/7/8.......................................53 Running Setup........................................................................53 Manual Installation..........................................................................55 ECS Utility Software (Intelligent EZ Utility).....................................55 Chapter 5 57 Setting Up AMD A75 RAID Configuration 57 Setting Up a Bootable RAID Array...........................
Introduction Chapter 1 Chapter 1 Introducing the Motherboard Thank you for choosing the A75F2-M2 motherboard. This motherboard is a high performance, enhanced function motherboard that supports socket FM2 for AMD TRINITY processors for high-end business or personal desktop markets. The motherboard is based on AMD A75 (Hudson D3) express chipset for best desktop platform.
Chapter 1 Specifications CPU • • Socket FM2 for AMD TRINITY processors Supports CPU up to 100W TDP Note: Please go to ECS website for the latest CPU support list.
• AMI BIOS with 32Mb SPI Flash ROM - Supports ECS MIB III Utility - Supports Plug and Play, S1/STR (S3)/STD (S4) - Supports Hardware Monitor - Supports ACPI 3.
Chapter 1 4 Motherboard Components A75F2-M2 USER MANUAL
LABEL 1. CPU Socket 2. SYS_FAN 3. CPU_FAN 4. DDR3_1~2 5. ATX_POWER 6. SATA1~6 7. F_PANEL COMPONENTS FM2 for AMD TRINITY processors System cooling fan connector CPU cooling fan connector 240-pin DDR3 SDRAM slots Standard 24-pin ATX power connector Serial ATA 6Gb/s connectors Front panel switch/LED header Front panel USB 2.0 headers 8. F_USB1~2 (F_USB1 supports EZ Charger function) 9. USB3F Front panel USB 3.0 header 10. PWR_FAN Power cooling fan connector 11. SPK Speaker header 12.
Chapter 1 I/O Ports 1. PS/2 Keyboard and PS/2 Mouse combo connector Use the PS/2 port to connect a PS/2 mouse or a PS2 keyboard. 2. VGA Port Connect VGA display device to the VGA port. 3. HDMI Port Connect HDMI display device to the HDMI port. 4. USB 2.0 Ports Use the USB 2.0 ports to connect USB 2.0 devices. 5. USB 3.0 Ports Use the USB 3.0 ports to connect USB 3.0 devices. 6. LAN Port Connect an RJ-45 jack to the LAN port to connect your computer to the Network.
Chapter 2 Installing the Motherboard Follow these safety precautions when installing the motherboard: • • • • Wear a grounding strap attached to a grounded device to avoid damage from static electricity. Discharge static electricity by touching the metal case of a safely grounded object before working on the motherboard. Leave components in the static-proof bags.
2-3. Checking Jumper Settings The following illustration shows the location of the motherboard jumpers. Pin 1 is labeled.
2-4. Installing Hardware • • • • This motherboard has an FM2 socket. When choosing a processor, consider the performance requirements of the system. Performance is based on the processor design, the clock speed and system bus frequency of the processor, and the quantity of internal cache memory and external cache memory. You may be able to change the settings in the system Setup Utility. We strongly recommend you do not over-clock processor or other components to run faster than their rated speed.
2-4-2. Installing the CPU Cooler • • • Chapter 2 • Install the cooling fan in a well-lit work area so that you can clearly see the motherboard and processor socket. Avoid using cooling fans with sharp edges in case the fan casing and the clips cause serious damage to the motherboard or its components. To achieve better airflow rates and heat dissipation, we suggest that you use a high quality fan with 3800 rpm at least.
• • • • This motherboard accommodates four memory modules. It can support two 240-pin DDR3 1866/1600/1333/1066/800. Do not remove any memory module from its antistatic packaging until you are ready to install it on the motherboard. Handle the modules only by their edges. Do not touch the components or metal parts. Always wear a grounding strap when you handle the modules. You must install at least one module in any of the two slots. Total memory capacity is 32 GB.
2-4-4. 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 increase the motherboard’s capabilities by adding hardware that performs tasks that are not part of the basic system.
1 Remove a blanking plate from the system case corresponding to the slot you are going to use. 2 Install the edge connector of the add-on card into the expansion slot. Ensure that the edge connector is correctly seated in the slot. 3 Secure the metal bracket of the card to the system case with a screw. 1. For some add-on cards, for example graphics adapters and network adapters, you have to install drivers and software before you can begin using the add-on card.
2-4-5. Connecting Optional Devices Refer to the following for information on connecting the motherboard’s optional devices: Chapter 2 No. Components No. 1 SATA1~6 6 Components TPM 2 F_USB1~2 7 CASE 3 USB3F 8 SPDIFO 4 LPT 9 F_AUDIO 5 COM —— —— 1. SATA1~6: Serial ATA III connectors SATA1~6 connectors are used to support the new Serial ATA device for the highest data transfer rates (6.0 Gb/s), simpler disk drive cabling and easier PC assembly.
2. F_USB1~2: Front Panel USB 2.0 headers F_USB1 supports EZ Charger technology, provides 3 times current than general USB 2.0 port in off mode for USB devices. It is useful and excellent, especially for the iPhone, iPad and iPod touch devices that need a large amount of current for faster recharging within less time. Chapter 2 The motherboard has two USB 2.0 headers supporting four USB 2.0 ports. Additionally, some computer cases have USB 2.0 ports at the front of the case.
4. LPT: Onboard parallel port Header This is a header that can be used to connect to the printer, scanner or other devices. Chapter 2 5. COM: Onboard serial port header Connect a serial port extension bracket to this header to add a serial port to your system.
6. TPM: Trusted Platform Module header Chapter 2 Trusted platform module (TPM) is a published specification detailing a micro controller that can store secured information, and implementations of that specification. 7. CASE: Chassis Intrusion Detect Header This detects if the chassis cover has been removed. This function needs a chassis equipped with intrusion detection switch and needs to be enabled in BIOS.
8. SPDIFO: SPDIF out header This is an optional header that provides an SPDIFO (Sony/Philips Digital Interface) output to digital multimedia device through optical fiber or coaxial connector. Chapter 2 9. F_AUDIO: Front Panel Audio Header The front panel audio header allows the user to install auxiliary front-oriented microphone and line-out ports for easier access. This header supports HD audio by default. If you want connect an AC’ 97 front panel audio to HD onboard headers, please set as below picture.
AC’ 97 Audio Configuration: To enable the front panel audio connector to support AC97 Audio mode. Chapter 2 If you use AC’ 97 Front Panel, please tick off the option of “ Disabled Front Panel Detect ”. If you use HD Audio Front Panel, please don’ t tick off “Disabled Front Panel Detect ” . * For reference only If you use AC’ 97 Front Panel, please don’ t tick off “Using Front Jack Detect ”. If you use HD Audio Front Panel, please tick off the option of “Using Front Jack Detect ”.
2-4-6. Installing a SATA Hard Drive This section describes how to install a SATA Hard Drive. About SATA Connectors Chapter 2 Your motherboard features six SATA connectors supporting a total of six drives. SATA refers to Serial ATA (Advanced Technology Attachment) is the standard interface for the IDE hard drives which are currently used in most PCs. These connectors are well designed and will only fit in one orientation.
2-4-7. Connecting Case Components Chapter 2 After you have installed the motherboard into a case, you can begin connecting the motherboard components. Refer to the following: No. Components No. Components 1 SYS_FAN 5 PWR_FAN 2 CPU_FAN 6 SPK 3 ATX_POWER 7 ATX_12V 4 F_PANEL —— —— 1 & 2 & 5. SYS_FAN(System Cooling FAN Power Connector) & CPU_FAN(CPU cooling FAN Power Connector) & PWR_FAN(Power Cooling FAN Power Connector) Connect the CPU cooling fan cable to CPU_FAN.
3 & 7. ATX_POWER (ATX 24-pin Power Connector) & ATX12V (ATX 12V Power Connector) Connect the standard power supply connector to ATX_POWER. Connect the auxiliary case power supply connector to ATX12V. Chapter 2 Connecting 24-pin power cable The ATX 24-pin connector allows you to connect to ATX v2.x power supply. With ATX v2.x power supply, users please note that when installing 24-pin power cable, the latches of power cable and the ATX match perfectly.
4. Front Panel Header Chapter 2 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: Hard Drive Activity LED Connecting pins 1 and 3 to a front panel mounted LED provides visual indication that data is being read from or written to the hard drive. For the LED to function properly, an IDE drive should be connected to the onboard IDE interface.
6. SPK: Speaker header Connect the case speaker cable to SPK. Chapter 2 This concludes Chapter 2. The next chapter covers the BIOS.
Chapter 3 Using BIOS About the Setup Utility The BIOS (Basic Input and Output System) Setup Utility displays the system’s configuration status and provides you with options to set system parameters. The parameters are stored in battery-backed-up CMOS RAM that saves this information when the power is turned off. When the system is turned back on, the system is configured with the values you stored in CMOS.
Press the delete key to access BIOS Setup Utility. Chapter 3 Above image is for reference only, for details please refer to actual image. Resetting the Default CMOS Values When powering on for the first time, the POST screen may show a “CMOS Settings Wrong” message. This standard message will appear following a clear CMOS data at factory by the manufacturer. You simply need to Load Default Settings to reset the default CMOS values. Note: Changes to system hardware such as different CPU, memories, etc.
In this manual, default values are enclosed in parenthesis. Submenu items are denoted by an icon . The default BIOS setting for this motherboard apply for most conditions with optimum performance. We do not suggest users change the default values in the BIOS setup and take no responsibility to any damage caused by changing the BIOS settings.
Main Menu This menu shows the information of BIOS and enables you to set the system language, date and time. Main Advanced Chipset M.I.B III Boot Security Exit Choose the system default language BIOS Information System Language English System Date System Time Fri 04/27/2012 00:11:52 : Select Screen Chapter 3 /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
Advanced Menu The Advanced menu items allow you to change the settings for the CPU and other system. Advanced Chipset LAN Configuration PC Health Status Power Management Setup ACPI Settings CPU Configuration SATA Configuration USB Configuration Super IO Configuration Trusted Computing M.I.B III Boot Security Exit LAN Configuration Parameters : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
LAN Configuration The item in the menu shows the LAN-related information that the BIOS automatically detects. Main Advanced Chipset M.I.B III Boot Security Exit Enabled/Disabled Onboard LAN 1 Controller LAN Configuration Onboard LAN Controller Enabled Network stack Ipv4 PXE Support Ipv6 PXE Support Enabled Enabled Enabled Chapter 3 : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
PC Health Status On motherboards support hardware monitoring, this item lets you monitor the parameters for critical voltages, temperatures and fan speeds. Main Advanced Chipset M.I.B III Boot Security Exit PC Health Status : : : : : +63 3134 RPM +1.464 V +1.592 V +1.243 V : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
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. If you choose Silent mode, the fan speed will be auto restricted to make system more quietly. If you choose Manual mode, the fan speed will be adjust depending on users’ parameters.
Power Management Setup This page sets up some parameters for system power management operation. Advanced Chipset M.I.B III Boot Resume By RING Resume By PME Resume By USB 1.x/2.0 (S3) Resume By PS2 KB (S3) Resume By PS2 MS (S3) EUP Function Power LED Type Security Exit About Resume by RING Power Management Setup Disabled Disabled Disabled Disabled Disabled Enabled Dual Color LED : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
ACPI Configuration The item in the menu shows the highest ACPI sleep state when the system enters suspend. Main Advanced Chipset M.I.B III Boot ACPI Settings ACPI Sleep State S3 (Suspend to RAM) Security Exit Select the highest ACPI sleep state the system will enter when the SUSPEND button is pressed. Chapter 3 : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
CPU Configuration The item in the menu shows the CPU. Advanced Chipset M.I.B III Boot --------- Cache per Core --------L1 Instruction Cache: 64 KB/2-way L1 Data Cache: 16 KB/4-way L2 Cache: 2048 KB/16-way No L3 Cache Present C6 Mode CPB Mode AMD C&Q Enabled Auto Enabled Security Exit Enabled/disabled C6 : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
SATA Configuration Use this item to show the mode of serial SATA configuration options. Main Advanced SATA Configuration Serial-ATA Controller SATA Mode SATA Port1 SATA Port2 SATA Port3 SATA Port4 SATA Port5 SATA Port6 Chipset M.I.B III Boot Enabled IDE Mode ST3500413AS (500.1G PIONEER DVD-RW ATAPI Not Present Not Present Not Present Not Present Security Exit Chapter 3 : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
USB Configuration Use this item to show the information of USB configuration. Advanced Chipset M.I.B III Boot Security Save & Exit Exit Set of Serial USBParameters Support Parameters Port 0 (COMA) Super Chip All USBIODevices SerialUSB Port 0 Configutation Legacy Support Parallel Port Configutation IT8728 Enabled Enabled : Select Screen : Select Screen /Click: Select Item /Click: Select Enter/Dbl Click : Item Select +/: Change Opt.
Super IO Configuration Use this item to show the information of Super IO configuration. Main Advanced Chipset M.I.B III Boot Security Exit Set Parameters of Serial Port 0 (COMA) Super IO Configuration Serial Port 0 Configuration Parallel Port Configuration : Select Screen /Click: Select Item Chapter 3 Enter/Dbl Click : Select +/- : Change Opt.
Parallel Port Configuration Scroll to this item and press to view the following screen: Advanced Chipset M.I.B III Boot Security Exit Enabled or Disabled Parallel Port (LPT/LPTE) Parallel Port Configuration Parallel Port Device Settings Enabled I0=378h; IRQ=5; Change Settings Device Mode Auto Standard and Bi-dir... : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
Trusted Computing Use this item to show the information of trusted computing configuration. Main Advanced Chipset Configuration TPM SUPPORT M.I.B III Boot Disabled Current Status Information No Security Device Found Security : Select Screen Chapter 3 /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt. F1: General Help F2: Previous Values F3: Optimized Defaults F4: Save & Exit ESC/Right Click: Exit TPM Support (Disabled) This item enables or disables TPM support.
Chipset Menu The chipset menu items allow you to change the settings for the North Bridge chipset, South Bridge chipset and other system. Advanced Chipset M.I.B III Boot Northe Bridge South Bridge Security Exit North Bridge Parameters : Select Screen /Click: /Click:Select SelectItem Item Enter/Dbl Click : Select +/- : Change Opt.
South Bridge Scroll to this item and press to view the following screen: Main Advanced Chipset M.I.B III Boot South Bridge Restore AC Power Loss Power Off Audio Configuration Azalia HD Audio Azalia Internal HDMI codec Enabled Enabled Case Open Warning Chassis Opened Disabled No Security Exit Select What state to go to when power is re-applied after a power failure (G3 state). : Select Screen /Click: Select Item Chapter 3 Enter/Dbl Click : Select +/- : Change Opt.
M.I.B III (MB Intelligent BIOS III) Menu 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 installed in your system.
CPU Over-clocking Func. (Disabled) This item decides the CPU Over-Clocking function installed in your system. If the over-clocking fails, please turn off the system power. And then, hold the PageUp key (similar to the Clear CMOS function) and turn on the power, the BIOS will recover the safe default. IGD Over-clocking Func. (Disabled) This item enables or disables IGD Over-Clocking function. Press to return to the M.I.B III Menu page.
Boot Menu This page enables you to set the keyboard NumLock state. Advanced Chipset M.I.B III Boot Operation System Select Launch PXE OpROM Launch Strorage OpROM Windows 7 or other OS Disabled Enabled Bootup NumLock State Quiet Boot Boot mode select On Enabled LEGACY Set Boot Priority Boot Option #1 Boot Option #2 Boot Option #3 Boot Option #4 Boot Option #5 Boot Option #6 Boot Option #7 Hard Disk CD/DVD USB Floppy USB CD/DVD USB Hard Disk USB Key: Ut165 1.
Hard Disk Drive/ CD/DVD ROM Drive/ USB/IDE Floppy Drive/ USB CD/DVD ROM Drive/ USB HardDisk Drive/ USB Flash Drive/ NETWORK Device Drive Priorities These items enable you to specify the sequence of loading the operating system. Press to see the submenu. CSM parameters OpROM execution, boot options filter,etc. CSM parameters Scroll to this item and press to view the following screen.
Security Menu This page enables you to set setup administrator password and user password. Advanced Chipset M.I.B III Not Install Not Install Administrator Password System Mode state Secure Boot state Setup Disabled Secure Boot Secure Boot Mode Image Execution Policy Key Management Enabled Custom Boot Security Exit Secure Boot mode selector.
Image Execution Policy Scroll to this item to view the following screen: Main Advanced Internal FV Option ROM Removable Media Fixed Media Chipset M.I.B III Always Execute Deny Execute Deny Execute Deny Execute Boot Security Exit Image Execution Policy per device path on Security Violation. Note: Only users logged with Administrative password can exercise Query User policy setting Chapter 3 : Select Screen /Click: Select Item Enter/Dbl Click : Select +/- : Change Opt.
Key Management Scroll to this item to view the following screen: Advanced Chipset Platform Key (PK) Set PK from File Get PK to File Delete the PK Key Exchange Key Database (KEK) Set KEK from File Get KEK to File Delete the KEK Append an entry to KEK Authorized Signature Database (DB) Set DB from File Get DB to File Delete the DB Append an entry to DB Forbidden Signature Database (DBX) Set DBX from File Get DBX to File Delete the DBX Append an entry to DBX M.I.
Exit Menu This page enables you to exit system setup after saving or without saving the changes. Main Advanced Chipset M.I.
Updating the BIOS 1 If your motherboard has a BIOS protection jumper, change the setting to allow BIOS flashing. 2 If your motherboard has an item called Firmware Write Protect in Advanced BIOS features, disable it. (Firmware Write Protect prevents BIOS from being overwritten.) 3 Prepare a bootable device or create a bootable system disk. (Refer to Windows online help for information on creating a bootable system disk.) 4 Download the Flash Utility and new BIOS file from the manufacturer’s Web site.
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Chapter 4 Using the Motherboard Software Auto-installing under Windows XP/7/8 The auto-install DVD-ROM makes it easy for you to install the drivers and software. The support software DVD-ROM disc loads automatically under Windows XP/7/8. When you insert the DVD-ROM disc in the DVD-ROM drive, the auto-run feature will automatically bring up the installation screen. The screen has four buttons on it: Setup, Utilities, Browse CD and Exit. Click “Exit” button to close the Auto-Setup window.
Click Next. The following screen appears: 3. Check the box next to the items you want to install. The default options are recommended. 4. Click Next to run the Installation Wizard. An item installation screen appears: 5. Follow the instructions on the screen to install the items. Chapter 4 2. Drivers and software are automatically installed in sequence. Follow the onscreen instructions, confirm commands and allow the computer to restart a few times to complete the installation.
Manual Installation Chapter 4 Windows 7/8 will appear below UAC (User Account Control) message after the system restart. You must select “Yes” to install the next driver. Continue this process to complete the drivers installation. If the auto-install DVD-ROM does not work on your system, you can still install drivers through the file manager for your OS (for example, Windows Explorer). Look for the chipset and motherboard model, and then browse to the directory and path to begin installing the drivers.
eSF eSF(Smart Fan) utility provides easy and safe way to adjust fan speed in accordance with your PC’s system loading and temperature. It has five modes to adjust fan speed in a safe range without entering the BIOS to optimize your system cooling environment. Microsoft .NET Framework 3.5 is required. eDLU Chapter 4 ECS eDLU utility makes updating drivers fast and easy. eDLU saves time and hassle by listing all the latest drivers online.
Chapter 5 Setting Up AMD A75 RAID Configuration Setting Up a bootable RAID Array This section explains how to configure a bootable AMD RAID array. Setting Up the BIOS 1. Start your computer, then press Delete to enter the BIOS setup. The BIOS CMOS Setup Utility screen appears. Advanced Chipset M.I.
3. Use the arrow keys to select the SATA Configuration (see Figure 1.2) and globally set SATA Configuration to RAID. 4. Press F4 to save the configuration and exit. 5. Enter the RAID BIOS Setup by pressing Ctrl-F when prompted, and proceed to set up the AMD RAID BIOS as described in the next section. The PC reboots. Configuring the AMD RAID BIOS (Windows XP Installation) The AMD RAID BIOS set up lets you choose the RAID type and which hard drives you want to make part of the array.
3. Select [2], then select LD 1 in the following page. The Define LD Menu screen appears (Figure 1.4). FastBuild (tm) Utility (c) 2006 ATI Technology, Inc.
Assigning the Disks 1. Select the Assignment to Y to designate a free disk to be used as a RAID array disk. Figure 1.5 illustrates the Define a New Array screen after two disks have been assigned as RAID 0 array disks. FastBuild (tm) Utility (c) 2006 ATI Technology, Inc.
Press ESC to exit. The Main Menu screen appears (Figure 1.7). FastBuild (tm) Utility (c) 2006 ATI Technology, Inc. [ Main Menu ] View Drive Assignments..................[ 1 ] Define LD..........................................[ 2 ] Define LD..........................................[ 3 ] is going to REBOOT!4 ] ControllerSystem Configuration...................[ Are You Sure? Y - Reboot / Any Key - Back [ Keys Available ] Press 1..4 to Select Option [ESC] Exit Press Y to reboot.
Installing the RAID Drivers Your system may come with a Windows install CD that already includes AMD RAID drivers. If so, then this section is not relevant. If that is not the case (or you are trying to install a new version of Windows), then you will need an AMD RAID driver F6 install floppy. Check to see if one came with your system. If not, you can create one by downloading the appropriate driver package and following the steps in this section. 1. Copy all files in "...
a Insert the floppy that has the RAID driver, press S, then press Enter. The following Windows Setup screen appears: Windows Setup --------You have chosen to configure a SCSI Adapter for use with windows£¬ using a device support disk provided bu an adapter manufacturer. Select the SCSI Adapter you want from the following list, or press ESC to return to the previous screen. ATI AHCI Compatible RAID Controller-x86 platform ATI AHCI Compatible RAID Controller-x64 platform ENTER=Select F3=Exit Figure 1.
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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. You may also log onto our ECS website for more information: http:// www.ecs.com.tw/ECSWebSite/Support/Support_FAQ.
2. From the BIOS setting, try to disable the Smartfan function to let the fan run at default speed. Doing a Load Optimised Default will also disable the Smartfan. Start up problems after prolong use After a prolong period of use your PC may experience start up problems again. This may be caused by breakdown of devices connected to the motherboard such as HDD, CPU fan, etc. The following tips may help to revive the PC or identify the cause of failure. 1. Clear the CMOS values using the CLR_CMOS jumper.
67 If fail, contact RMA CLR CMOS and restart. Yes Halt at POST screen Yes Check if monitor has display Yes Check if Power Supply Unit (PSU) is working Power Bu on is pressed but PC fails to start. - need to CLRCMOS. HDD problem.
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