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USER'S MANUAL Of 
Intel H55 Express Chipset 
 
Based 
M/B for Intel LGA 1156 Processors 
 
 
 
 
 
PMH55 
MB Rev.: 1.0 
 
 
Manual Rev.: EG100 
Release date: January, 2010 
 
 
 
 
 
Trademark: 
* Specifications and Information contained in this documentation are furnished for information use only, and are 
 
subject to change at any time without notice, and should not be construed as a commitment by manufacturer.
                                                                              
                    
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                        Environmental Protection Announcement    Do not dispose this electronic device into the trash while discarding. To minimize pollution  and ensure environment protection of mother earth, please recycle.          i                                                                                                                                                                                                                                                                                                
                    
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                                                                                                                                                                                                                  TABLE OF CONTENT            ENVIROMENTAL SAFETY INSTRUCTION................................................................iii  USER’S NOTICE .........................................................................................................iv  MANUAL REVISION INFORMATION....................................
                    
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                                                                                                                                                                                                                    Environmental Safety Instruction     Avoid the dusty, humidity and temperature extremes. Do not place the product in  any area where it may become wet.     0 to 40 centigrade is the suitable temperature. (The figure comes from the request  of the main chipset).     Generally speaking, dramatic changes in temper
                    
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                                                                                                                                                                                                                   USER’S NOTICE  COPYRIGHT OF THIS MANUAL BELONGS TO THE MANUFACTURER.  NO PART OF THIS  MANUAL, INCLUDING THE PRODUCTS AND SOFTWARES DESCRIBED IN IT MAY BE  REPRODUCED, TRANSMITTED OR TRANSLATED INTO ANY LANGUAGE IN ANY FORM OR BY  ANY MEANS WITHOUT WRITTEN PERMISSION OF THE MANUFACTURER.  THIS MANUAL CONTAINS AL
                    
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                                                                                                                                                                                                                    Chapter 1  Introduction of Intel H55 Express Chipset  Motherboards  1-1  Features of Motherboard  The Intel H55 Express chipset based motherboard series are based on Intel H55  Express chipset technology which supports the innovative Intel LGA 1156 socket  Intel® Core™ i7, Intel® Core™ i5(Lynnfield & Clarkdale)
                    
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                                                                                                                                                                                                                    to read the detailed descriptions of these value added product features, please get  them in the coming section.    1-1.1 Special Features of motherboard  CPU Smart Fan--- The Noise Management System  It’s never been a good idea to gain the performance of your system by sacrificing its  acoustics. CPU Smart Fan
                    
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                                                                                                                                                                                                                    1-2  Specification  Spec Description   U-ATX form factor, 4 layers blue PCB size:  Design  23.0cmx24.5cm  Chipset  Intel H55 Express Chipset   supports the innovative Intel LGA 1156 socket Intel®, Core™ i7, Core™ i5 (Lynnfield & Clarkdale ), Core™ i3 CPU Socket  and Pentium® Processor.    DDRIII module slot x 4
                    
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                                                                                                                                                                                                                    1-3  Performance List  The following performance data list is the testing result of some popular benchmark  testing programs. These data are just referred by users, and there is no responsibility  for different testing data values gotten by users (the different Hardware & Software  configuration will result in 
                    
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                                                                                                                                                                                                                    1-4 Layout Diagram   Line-IN   Coaxial  VGA Connector SPDIF_OUT  RJ-45 LAN RS-OUT PS/2 Mouse  Line-OUT HDMI  Connector   CS-OUT Connector  PS/2 Keyboard  SS-OUT Connector     MIC-IN  Optical  DVI Connector USB Connectors  SPDIF_OUT    KB/MS Power On (JP1) CPU FAN1 PS2 KB/MS Port  (KB1)  G.P.I LED  Coaxial/Optic
                    
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                                                                                                                                                                                                                    Jumpers  Jumper Name Description  JBAT CMOS RAM Clear 2-pin Block  JP1 KB/MS Power On Enabled/Disabled 3-pin Block  JP2/ JP3 USB Power On Enabled/Disabled 3-pin Block  Connectors  Connector Name Description  ATXPWR ATX Power Connector 24-pin Block  ATX12V ATX 12V Power Connector 8-pin Block  J1 Large 4-pin Powe
                    
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                                                                                                                                                                                                                    Chapter 2  Hardware Installation  Turn off your power when adding or removing expansion cards or  WARNING!  other system components. Failure to do so may cause severe  damage to both your motherboard and expansion cards.   2-1  Hardware installation Steps  Before using your computer, you had better complete the
                    
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                                                                                                                                                                                                                    (2) KB/MS Power on Function Enabled/Disabled: JP1    JP1 JP1  1-2 Closed KB/MS Power ON Disable (Default) 2-3 Closed KB/MS Power ON Enabled  Keyboard/Mouse Power On Setting              (3) USB Power On function Enabled/Disabled: JP2/JP3    JP2 / JP3 JP2/ JP3  1-2 closed  USB Power On Disable 2-3 closed  USB Po
                    
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                                                                                                                                                                                                                    Processor - the "central processing unit" (CPU); the principal integrated circuit used  for doing the "computing" in "personal computer"   Front Side Bus Frequency - the working frequency of the motherboard, which is  generated by the clock generator for CPU, DRAM and PCI BUS.  CPU L2 Cache - the flash memory i
                    
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                                                                                                                                                                                                                    2-3-3   LGA 1156 CPU Installation Guide                      1. Please make sure that CPU socket is facing 2.  Press down the level and move it to the left side  to make sure it is freed from the hook and then  towards you and the level is on you left hand  open it upwards about 135 degree.   side.             
                    
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                                                                                                                                                                                                                                7. Press down the load level and move it rightwards  6.Put down the load plate in the direction shown  make sure it is locked under the notch.   above.        2-3-4 Intel Reference Thermal Solution Assembly   Align the  fastener with  the hole                                   1. Put the heat sink v
                    
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                                                                                                                                                                                                                    2-4  Install Memory  This motherboard provides four 240-pin DDR III DUAL INLINE MEMORY MODULES  (DIMM) socket for DDR III memory expansion available to maximum memory volume  of 16GB DDRIII SDRAM.  Valid Memory Configurations  Bank 240-Pin DIMM PCSMaximum  Capacity  DIMM1 DDR III 1066/ DDR III1333 X1  4GB  DIMM
                    
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                                                                                                                                                                                                                    Installation Tips:   Open the two plastic clips of memory slots then push down the module  vertically into the slot. See to it that the hole of the module fit into the notch of  the slot;   The two plastic clips will automatically close if the memory module is fitted in a  proper way.   We suggest that priority
                    
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                                                                                                                                                                                                                    2-5-3 PCI Express Slot  The H55 Express chipset based motherboard series offer two PCI-Express2.0 x16  graphics slots. With PE1 being PCI Express 2.0 x16by16 lane slot and PE3 being PCI  Express 2.0 x16by4 lane slot. These two graphics slots are fully compatible with the  latest AMD CrossFireX Technology to gua
                    
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                                                                                                                                                                                                                                        3. Be careful with the position for the pin you 4. Keep straight to force the CF Bridges  would like to set up. plug into both sides of CrossFire Tech  Supported VGA Cards.  Notice!   The motherboard and graphics card illustrations are for reference use only;   We suggest that you install gr