Asus H81M-C manual

Motherboard H81M-C H81M-C/CSM[...]

ii E8447 First Edition V1 July 2013 Copyright © 2013 ASUST eK 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 purcha[...]

iii Contents Safety information ...................................................................................... iv About this guide ......................................................................................... iv Package contents ....................................................................................... vi H81M-C spe[...]

iv Safety information Electrical safety T o 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 c[...]

v Where to nd more information Refer to the following sources for additional information and for product and software updates. 1. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. 2. Optional documentation Y our product package may include optional documenta[...]

vi H81M-C specications summary (continued on the next page) CPU LGA1 150 socket for 4th Generation Intel ® Core TM i7/i5/i3, Pentium ® , Celeron ® Processors Supports Intel ® 22nm CPU Supports Intel ® T urbo Boost T echnology 2.0* * The Intel ® T urbo Boost T echnology 2.0 support depends on the CPU types. ** Refer to www.asus.com for Inte[...]

vii H81M-C specications summary USB Intel ® H81 Express Chipset - 2 x USB 3.0/2.0 ports at back panel - 8 x USB2.0/1.1 ports (4 po rts at midb oard, 4 ports a t back pane l) ASUS unique features ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 - ASUS Q-SLOT ASUS Exclusive Features - ASUS ESD Guards - Enhanced ESD protection[...]

viii H81M-C specications summary Internal connectors 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0 ports 2 x SA T A 6.0 Gb/s connectors 2 x SA T A 3.0 Gb/s connectors 1 x CLRTC jumper 1 x 4-pin CPU fan connector 1 x 4-pin Chassis fan connectors 1 x Front panel audio connector (AAFP) 1 x System panel connector 1 x Speaker connector 1 x [...]

ASUS H81M-C 1-1 Product introduction 1 1.1 Before you proceed T ake 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[...]

1-2 Chapter 1: Product introduction H81M-C Place this side towards the rear of the chassis 1.2.3 Motherboard layout H81M-C PCIEX16_1 PCIEX1_1 PCIEX1_2 PCI1 RTL 8111G COM AAFP EATXPWR CPU_FAN BATTERY Super I/O ALC 887-VD2 ASM 1083 KBMS 8Mb BIOS SB_PWR CLRTC USBPW9-12 PS2_USBPW1-6 SPEAKER 17.8cm(7.0in) DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B[...]

ASUS H81M-C 1-3 1.2.4 Layout contents Connectors/Jumpers/Slots/LED Page 1. PS2 and USB device wakeup (PS2_USBPW1~6) 1-1 1 2. A TX power connectors (24-pin A TXPWR, 4-pin A TX12V) 1-14 3. CPU and chassis fan connectors (4-pin CPU_F AN, 4-pin CHA_F AN) 1-16 4. Intel ® LGA1 150 CPU socket 1-3 5. DDR3 DIMM slots 1-7 6. Intel ® H81 Serial A T A 3.0Gb/[...]

1-4 Chapter 1: Product introduction 1.3.1 Installing the CPU 1 2 3 A B Unplug all power cables before installing the CPU. • Ensure that you install the correct CPU designed for the LGA1 150 socket only . DO NOT install a CPU designed for LGA1 155 and LGA1 156 sockets on the LGA1 150 socket. • Upon purchase of the motherboard, ensure that the Pn[...]

ASUS H81M-C 1-5 A B C 5 4 1.3.2 CPU heatsink and fan assembly installation Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan if necessary .[...]

1-6 Chapter 1: Product introduction 3 4 A B B A T o uninstall the CPU heatsink and fan assembly 2 1 T o install the CPU heatsink and fan assembly 2 B A A B 1[...]

ASUS H81M-C 1-7 1.4 System memory 1.4.1 Overview This motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. A DDR3 module is notched differently from a DDR or DDR2 module. DO NOT install a DDR or DDR2 memory module to the DDR3 slot. According to Intel ® CPU spec, DIMM voltage below 1.65V is recommended to p[...]

1-8 Chapter 1: Product introduction • The default memory operation frequency is dependent on its Serial Presence Detect (SPD), which is the standard way of accessing information from a memory module. Under the default state, some memory modules for overclocking may operate at a lower frequency than the vendor-marked value. T o operate at the vend[...]

ASUS H81M-C 1-9 2. Remove the DIMM from the socket. Support the DIMM lightly with your ngers when pressing the retaining clips. The DIMM might get damaged when it ips out with extra force. 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[...]

1-10 Chapter 1: Product introduction 1.5.3 PCI Express 2.0 x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specications. 1.5.4 PCI Express x16 slot This motherboard has a PCI Express x16 slot that supports PCI Express x16 graphic cards complying with the PCI Express sp[...]

ASUS H81M-C 1-1 1 • If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery . • Y ou do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the CPU Parameter Recall (C.P .R.) fe[...]

1-12 Chapter 1: Product introduction 1.7 Connectors 1.7.1 Rear panel connectors LAN port Speed LED Activity Link LED 3 7 4 5 6 1 1 1 2 10 9 8 1. PS/2 mouse port (green). This port is for a PS/2 mouse. 2. Parallel port. This 25-pin port connects a parallel printer, a scanner , or other devices. 3. LAN (RJ-45) port. This port allows Gigabit connectio[...]

ASUS H81M-C 1-13 4. Line In port (light blue). This port connects to the tape, CD, DVD player , or other audio sources. 5. Line Out port (lime). This port connects to a headphone or a speaker . In the 4.1, 5.1 and 7.1-channel congurations, the function of this port becomes Front Speaker Out. Refer to the audio conguration table for the functi[...]

1-14 Chapter 1: Product introduction • For a fully congured system, we recommend that you use a power supply unit (PSU) that complies with A TX 12V Specication 2.0 (or later version) and provides a minimum power of 350W . • DO NOT forget to connect the 4-pin A TX +12V power plug. Otherwise, the system will not boot up. • We recommend th[...]

ASUS H81M-C 1-15 3. 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 . • We recommend that you connect a high-denition front panel audio module[...]

1-16 Chapter 1: Product introduction 6. CPU and chassis fan connectors (4-pin CPU_F AN, 4-pin CHA_F AN) 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 . Do not forget to connect the fan cables to the fan connectors. Insufcient air ow inside th[...]

ASUS H81M-C 1-17 7. USB 2.0 connectors (10-1 pin USB910, USB1 1 12) These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specications and supports up to 480Mbps connection speed. Never [...]

1-18 Chapter 1: Product introduction 9. System panel connector (10-1 pin P ANEL) This connector supports several chassis-mounted functions. • System power LED (2-pin PWR_LED) 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 , [...]

ASUS H81M-C 1-19 1.8 Onboard LEDs 1. Standby Power LED The motherboard comes with a standby power LED that lights up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration belo[...]

1-20 Chapter 1: Product introduction 1.9 Software support 1.9.1 Installing an operating system This motherboard supports Windows ® 7 (32bit/64bit) and Windows ® 8 (32bit/64bit) Operating Systems (OS). Always install the latest OS version and corresponding updates to maximize the features of your hardware. Motherboard settings and hardware options[...]

ASUS H81M-C 2-1 2.1 Managing and updating your BIOS Save a copy of the original motherboard BIOS le to a USB ash 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 EZ Update BIOS information 2 EZ Update is a utility that allows you to automatically update your moth[...]

2-2 Chapter 2: Getting started 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility . Before you start using this utility , download the latest BIOS le from the ASUS website at www .asus.com. T o update the BIOS using EZ Flash 2: 1. Insert the USB ash disk that contains the latest B[...]

ASUS H81M-C 2-3 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 le when it fails or gets corrupted during the updating process. Y ou can restore a corrupted BIOS le using the motherboard support DVD or a USB ash drive that contains the updated BIOS le. • Before[...]

2-4 Chapter 2: Getting started Booting the system to a DOS environment 1. Insert the DOS-bootable USB ash drive with the latest BIOS le and BIOS Updater to your computer ’s USB port. 2. Boot your computer . When the ASUS Logo appears, press <F8> to show the BIOS Boot Device Select Menu . 3. Select the optical drive as the boot device.[...]

ASUS H81M-C 2-5 3. Press <T ab> to switch between screen elds and use the <Up/Down/Home /End> keys to select the BIOS le and press <Enter>. BIOS Updater checks the selected BIOS le and prompts you to conrm BIOS update. 4. Select Y es and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Upda[...]

2-6 Chapter 2: Getting started 2.2 BIOS setup program Use the BIOS Setup program to update the BIOS or congure 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 T o enter BIOS Setup at startup: Press <Delete> during the Power-On Self T[...]

ASUS H81M-C 2-7 • The boot device options vary depending on the devices you installed to the system. • The Boot Menu(F8) button is available only when the boot device is installed to the system. Selects the boot device priority Displays the system properties of the selected mode on the right hand side Normal mode Selects the boot device priorit[...]

2-8 Chapter 2: Getting started Navigation keys General help Menu bar Submenu item Conguration elds Menu items Back button Pop-up window Scroll bar Menu items The highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main shows the Main menu items. The other items (Ai T weaker, Advanced, Monitor , [...]

ASUS H81M-C 2-9 Submenu items A greater than sign (>) before each item on any menu screen means that the item has a submenu. T o display the submenu, select the item and press <Enter>. Pop-up window Select a menu item and press <Enter> to display a pop-up window with the conguration options for that item. Scroll bar A scroll bar a[...]

2-10 Chapter 2: Getting started Adding items to My Favorites T o add frequently-used BIOS items to My Favorites: 1. Use the arrow keys to select an item that you want to add. When using a mouse, hover the pointer to the item. 2. Press <F4> on your keyboard or right-click on your mouse to add the item to My Favorites page. Y ou cannot add the [...]

ASUS H81M-C 2-1 1 2.4 Main menu 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. 2.4.1 System Language [English] Allows you to choose the BIOS language version [...]

2-12 Chapter 2: Getting started 3. Conrm the password when prompted. T o change an administrator password: 1. Select the Administrator Password item and press <Enter>. 2. From the Enter Current Password box, key in the current password, then press <Enter>. 3. From the Create New Password box, key in a new password, then press <Ent[...]

ASUS H81M-C 2-13 2.5 Ai T weaker menu The Ai T weaker menu items allow you to congure overclocking-related items. Be cautious when changing the settings of the Ai T weaker menu items. Incorrect eld values can cause the system to malfunction. The conguration options for this section vary depending on the CPU and DIMM model you installed on [...]

2-14 Chapter 2: Getting started T arget CPU T urbo-Mode Speed : xxxxMHz Displays the target CPU T urbo-Mode speed. T arget DRAM Speed : xxxxMHz Displays the target DRAM speed. T arget Cache Speed : xxxxMHz Displays the target Cache speed. T arget DMI/PEG Clock : xxxxMHz Displays the target DMI/PEG clock. T arget CPU Graphics Speed : xxxxMHz Display[...]

ASUS H81M-C 2-15 2-Core Ratio Limit [Auto] This item becomes congurable only when you set CPU Core Ratio to [Per Core] and allows you to set the 2-Core Ratio Limit. Select [Auto] to apply the CPU default T urbo Ratio setting or manually assign a 2-Core Ratio Limit value that is higher than or equal to the 3-Core Ratio Limit. 1-Core Limit must no[...]

2-16 Chapter 2: Getting started 2.5.9 GPU Boost [As is] Allows you to enable the GPU Boost to accelerate the integrated GPU for extreme graphics performance. Conguration options: [As is] [Enabled]. 2.5.10 EPU Power Saving Mode [Auto] Allows you to enable or disable the EPU power saving function. Conguration options: [Auto] [Disabled] [Enabled[...]

ASUS H81M-C 2-17 DRAM WRITE to READ Delay [Auto] Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] DRAM CKE Minimum pulse width [Auto] Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] DRAM CAS# Write Latency [Auto] Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock] RTL IOL control DRAM RTL Initial V a[...]

2-18 Chapter 2: Getting started tRDWR_dr [Auto] Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock] tRDWR_dd [Auto] Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock] MISC MRC Fast Boot [Auto] Allows you to enable, disable or automatically set the MRC fast boot. Conguration options: [Auto] [Enable] [Disable] DRAM CLK[...]

ASUS H81M-C 2-19 Package Power Time Window [Auto] Allows you to set the package power time window . Use the <+> and <-> keys to adjust the value. Short Duration Package Power Limit [Auto] Allows you to limit the turbo ratio’s long duration power . Use the <+> and <-> keys to adjust the value. CPU Integrated VR Current Limi[...]

2-20 Chapter 2: Getting started CPU Internal Power Saving Control Power Saving Level 1 Threshhold [Auto] Allows you to set the power saving level 1 threshhold. Use the <+> and <-> keys to adjust the value. Power Saving Level 2 Threshhold [Auto] Allows you to set the power saving level 2 threshhold. Use the <+> and <-> keys t[...]

ASUS H81M-C 2-21 2.5.15 CPU Graphics V oltage [Auto] This item allows you to set the CPU graphics voltage. Increase the graphics voltage when increasing the iGPU frequency . Conguration options: [Auto] [Manual Mode] [Offset Mode] [Adaptive Mode]. CPU Graphics V oltage Override [Auto] This item appears only when you set the CPU Graphics V oltage [...]

2-22 Chapter 2: Getting started 2.5.18 CPU Digital I/O V oltage Offset Mode Sign [+] This item allows you to set the CPU digital I/O voltage offset mode sign. Conguration options: [+] [-]. CPU Digital I/O V oltage Offset [Auto] This item allows you to set the CPU digital I/O voltage offset. Increase the value when increasing DRAM frequency . The[...]

ASUS H81M-C 2-23 2.6.1 CPU Conguration The items in this menu show the CPU-related information that the BIOS automatically detects. The items shown in submenu may be different due to the CPU you installed. Intel ® Adaptive Thermal Monitor [Enabled] [Enabled] Enables the overheated CPU to throttle its clock speed to cool down. [Disabled] Disable[...]

2-24 Chapter 2: Getting started Boot performance mode [Max Non-T u...] This item allows you to select the boot performance mode. Conguration options: [Max Non- T urbo Performance] [Max battery] [Turbo Performance] CPU Power Management Conguration This item allows you to manage and congure the CPU’s power . EIST [Enabled] Allows you to en[...]

ASUS H81M-C 2-25 Package C State Support [Auto] Allows you to disable or enable the whole C-State package support. Conguration options: [Auto] [Enabled] [C0/C1] [C2] [C3] [C6] [CPU C7] [CPU C7s] 2.6.2 PCH Conguration PCI Express Conguration DMI Link ASPM Control [Auto] Allows you to control the Active State Power Managemennt on both NB and[...]

2-26 Chapter 2: Getting started Intel ® Smart Connect T echnology [Disabled] ISCT Support [Disabled] Allows you to enable or disable the ISCT support. Conguration options: [Enabled] [Disabled] 2.6.3 SA T A Conguration While entering Setup, the BIOS automatically detects the presence of SA T A devices. The SA T A Port items show Not Present i[...]

ASUS H81M-C 2-27 Graphics Conguration Allows you to select a primary display from iGPU, and PCIe graphical devices. Primary Display [Auto] Allows you to select which of the iGPU/PCIE Graphics device should be the Primary Display . Conguration options: [Auto] [iGPU] [PCIE] [PCI] iGPU Memory [Auto] Allows you to select the amount of system memo[...]

2-28 Chapter 2: Getting started 2.6.5 USB Conguration The items in this menu allow you to change the USB-related features. The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None. Legacy USB Support [Enabled] [Disabled] The USB devices can be used only for the BIOS setup program. [Enabled] Enables t[...]

ASUS H81M-C 2-29 2.6.7 Onboard Devices Conguration HD Audio Controller [Enabled] [Enabled] Enables the HD Audio Device. [Disabled] Disables the HD Audio Device. The following two items appear only when you set the HD Audio Controller item to [Enabled]. Front Panel T ype [HD] Allows you to set the front panel audio connector (AAFP) mode to legacy[...]

2-30 Chapter 2: Getting started Change Settings [Auto] Allows you to select an optimal setting for Super I/O devices. Conguration options: [Auto] [IO=378h; IRQ=5;] [IO=378h; IRQ=5,6,7,9,10,1 1,12;] [IO=278h; IRQ=5,6,7,9,10,1 1,12;] [IO=3BCh; IRQ=5,6,7,9,10,1 1,12;] Device Mode [STD Printe...] Allows you to select the Printer Port mode. Congur[...]

ASUS H81M-C 2-31 2.6.9 Network Stack Conguration Network Stack [Disabled] This item allows user to disable or enable the UEFI network stack. Conguration options: [Disabled] [Enabled] The following two items appear only when you set the previous item to [Enabled]. Ipv4 PXE Support [Enabled] This item allows user to disable or enable the Ipv4 P[...]

2-32 Chapter 2: Getting started 2.7.1 CPU T emperature [xxxºC/xxxºF] The onboard hardware monitor automatically detects and displays the CPU temperature. Select Ignore if you do not wish to display the detected temperature. 2.7.2 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A] The onboard hardware monitor automatically detects and displays[...]

ASUS H81M-C 2-33 CPU Lower T emperature [20] Displays the lower limit of the CPU temperature. CPU Fan Min. Duty Cycle(%) [20] Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle. The values range from 20% to 100%. When the CPU temperature is under the lower limit, the CPU fan will operate at the minimum duty cycle. 2.7.5 C[...]

2-34 Chapter 2: Getting started 2.8 Boot menu The Boot menu items allow you to change the system boot options. Scroll down to display the following items: 2.8.1 Fast Boot [Enabled] [Enabled] Select to accelerate the boot speed. [Disabled] Select to go back to normal boot. The following ve items appear when you set Fast Boot to [Enabled]. SA T A [...]

ASUS H81M-C 2-35 USB Support [Partial In...] [Disabled] All USB devices will not be available until OS boot up for a fastest POST time. [Full Initialization] All USB devices will be available during POST . This process will extend the POST time. [Partial Initialization] For a faster POST time, only the USB ports with keyboard and mouse connections [...]

2-36 Chapter 2: Getting started 2.8.3 Bootup NumLock State [On] [On] Sets the power-on state of the NumLock to [On]. [Off] Sets the power-on state of the NumLock to [Off]. 2.8.4 W ait for ‘F1’ If Error [Enabled] When this item is set to [Enabled], the system waits for the F1 key to be pressed when error occurs. Conguration options: [Disabled[...]

ASUS H81M-C 2-37 Boot from Storage Devices [Legacy OPR...] Allows you to select the type of storage devices that you want to launch. Conguration options: [Both, Legacy OPROM rst] [Both, UEFI rst] [Legacy OPROM rst] [UEFI driver rst] [Ignore] Boot from PCI-E/PCI Expansion Devices [Legacy OPR...] Allows you to select the type of PCIe/P[...]

2-38 Chapter 2: Getting started Load PK from File Allows you to load the downloaded PK from a USB storage device. The PK le must be formatted as a UEFI variable structure with time-based authenticated variable. KEK Management The KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (dbx)[...]

ASUS H81M-C 2-39 Allows you to load the additional DBX from a storage device so that more db’s images cannot be loaded. The DBX le must be formatted as a UEFI variable structure with time-based authenticated variable. 2.8.10 Boot Option Priorities These items specify the boot device priority sequence from the available devices. The number of d[...]

2-40 Chapter 2: Getting started 2.9 T ools menu The T ools menu items allow you to congure options for special functions. Select an item then press <Enter> to display the submenu. 2.9.1 ASUS EZ Flash 2 Utility 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 [...]

ASUS H81M-C 2-41 2.10 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. Y ou 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 sel[...]

2-42 Chapter 2: Getting started[...]

H81M-C A-1 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 equipmen[...]

A-2 Appendices 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 pr[...]

H81M-C A-3 ASUS contact information ASUST eK COMPUTER INC. Address 15 Li-T e Road, Peitou, T aipei, T aiwan 1 1259 T elephone +886-2-2894-3447 Fax +886-2-2890-7798 E-mail info@asus.com.tw Web site www .asus.com.tw T echnical Support T elephone +86-21-3842991 1 Online support support.asus.com ASUS COMPUTER INTERNA TIONAL (America) Address 800 Corpor[...]

A-4 Appendices DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corporate Way, Fremont , CA 94539. Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : Motherboard Model Number : H81M-C Conforms to the following specifications: FC C Pa r[...]