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MB886 
®
Socket LGA775 Pentium 4  
®
Intel 945G Chipset 
Industrial Motherboard 
 
USER’S MANUAL 
Version 1.1 
 
 
 
                                                                                                                                                                                                                                                                                                                                                                                           
                    
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                              Acknowledgments    Award is a registered trademark of Award Software International,  Inc.  PS/2 is a trademark of International Business Machines  Corporation.  Intel and Pentium 4 are registered trademarks of Intel  Corporation.  Microsoft Windows is a registered trademark of Microsoft  Corporation.  Winbond is a registered trademark of Winbond Electronics  Corporation.  All other product names or trademarks are properties of their  respective owners.                                      
                    
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                             Table of Contents  Introduction ....................................................... 1  Checklist .............................................................................. 1  Product Description ............................................................. 2  Specifications ...................................................................... 3  Board Dimensions ............................................................... 4  Installations ........................................
                    
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                                This page is intentionally left blank.    iv MB886 User’s Manual                                                                                                                                                                                                                                                                                                                                                                                                                                            
                    
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                        INTRODUCTION  Introduction    Checklist    ® Your MB886 Pentium 4 motherboard package should include the items  listed below:  • The MB886 motherboard  • This User’s manual   • 1 Back I/O shield  • 1 IDE cable  • 1 Floppy cable  • 1 SATA cable   • 1 Serial-Port cable  • 1 CD containing the following:   • Chipset Drivers  • Flash Memory Utility                                  MB886 User’s Manual 1                                                                                                    
                    
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                        INSTALLATIONS    Product Description    ® The MB886 LGA 775 Pentium 4 motherboard incorporates the Intel  945G chipset that can utilize a single LGA775 processor of up to  4.0GHz or higher and supports FSB frequency of 533/800/1066Mhz  (133MHz(533MT/s), 200MHz(800MT/s) and 266MHz(1066MT/s)  HCLK respectively. MB886 supports Intel® Core™2 Duo processors,  Pentium® D dual core CPU and Pentium® 4 single core CPU. It also  supports EMT64 processors.     MB886 has four DDR2 memory sockets to support 
                    
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                        INTRODUCTION    Specifications        MB886    ® ® Socket LGA775 Pentium 4 ATX Motherboard w/ Intel 945G Chipset    Features  ® ®  Supports Intel® Core™2 Duo, Pentium 4 / Celeron D processors  Up to 3.8GHz+, 533MHz/800MHz/1066MHz FSB   DDR2 DIMM x 4, max. 4GB    ICH7 10/100 and Intel PCI Express Gigabit Ethernet  ®  Integrated Intel 945G VGA, CRT support   4 x SATA II, 8 x USB 2.0, 4 x COM, Watchdog timer, Digital I/O   4 x PCI, 1 x ISA, 2 x PCI Express (x1), 1 x PCI Express (x16) slots    Syste
                    
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                        INSTALLATIONS      Board Dimensions      4 MB886 User’s Manual                                                                                                                                                                                                                                                                                                                                                                                                                                                      
                    
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                        INSTALLATIONS    Installations  This section provides information on how to use the jumpers and  connectors on the MB886 in order to set up a workable system. The  topics covered are:    Installing the CPU ........................................................................ 6  ATX Power Installation ............................................................... 7  Installing the Memory .................................................................. 7  Setting the Jumpers ................
                    
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                        INSTALLATIONS    Installing the CPU    The MB886 motherboard supports an LGA 775 processor socket for  Intel® Pentium® 4 processors.     The LGA 775 processor socket comes with a lever to secure the  processor. Refer to the pictures below, from left to right, on how to place  the processor into the CPU socket. Please note that the cover of the  LGA775 socket must always be installed during transport to avoid  damage to the socket.      6 MB886 User’s Manual                                       
                    
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                        INSTALLATIONS    ATX Power Installation    The system power is provided to the motherboard with the ATX1 and  ATX_12V power connectors. ATX1 is a 24-pin power connector and  ATX_12V is a 8-pin 12V power connector.   The 24-pin power connector can to be connected to a standard 20-pin  ATX power connector in a standard ATX power supply (Min. 400watt).  Note: The power supply 5VSB voltage must be at least 2A.    Installing the Memory    The MB886 motherboard supports four DDR2 memory sockets for a 
                    
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                        INSTALLATIONS    Setting the Jumpers    Jumpers are used on MB886 to select various settings and features  according to your needs and applications. Contact your supplier if you  have doubts about the best configuration for your needs. The following  lists the connectors on MB886 and their respective functions.    Jumper Locations on MB886 .......................................................... 9  JP1, JP2, JP3: RS232/422/485 (COM2) Selection ....................... 10  JP4: IDE DMA Mode Sett
                    
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                        INSTALLATIONS    Jumper Locations on MB886    JP1, JP2, JP3: RS232/422/485 (COM2) Selection .............................. 10  JP4: IDE DMA Mode Setting .............................................................. 10  JP6: Clear CMOS Contents ................................................................. 10                                  MB886 User’s Manual 9                                                                                                                                    
                    
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                        INSTALLATIONS    JP1, JP2, JP3: RS232/422/485 (COM2) Selection  COM1 is fixed for RS-232 use only.  COM2 is selectable for RS232, RS-422 and RS-485. COM3 and COM4  are fixed for RS-232 use only. The following table describes the jumper  settings for COM2 selection.       COM2  RS-232 RS-422 RS-485  Function  JP1: JP1: JP1:   1-2 3-4 5-6    Jumper     Setting JP2: JP2: JP2:  (pin closed) 3-5 & 4-6 1-3 & 2-4 1-3 & 2-4     JP3: JP3: JP3:  3-5 & 4-6 1-3 & 2-4 1-3 & 2-4   JP4: IDE DMA Mode Setting   
                    
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                        INSTALLATIONS                [    Connectors on MB886    The connectors on MB886 allows you to connect external devices such  as keyboard, floppy disk drives, hard disk drives, printers, etc. The  following table lists the connectors on MB886 and their respective  functions.    ATX1: 24-pin ATX Power Connector ................................................ 13  ATX2: ATX 12V Power Connector .................................................... 13  MB886 Edge Connectors ..........................
                    
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                        INSTALLATIONS    Connector Locations on MB886      ATX1: 24-pin ATX Power Connector ...................................................................................................................13  ATX2: ATX 12V Power Connector ......................................................................................................................13  MB886 Edge Connectors ...........................................................................................................................
                    
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                        INSTALLATIONS    ATX1: 24-pin ATX Power Connector    Signal Name Pin # Pin # Signal Name 3.3V 13 1 3.3V  -12V 14 2 3.3V  Ground 15 3 Ground  PS-ON 16 4 +5V  Ground 17 5 Ground  Ground 18 6 +5V  Ground 19 7 Ground  -5V 20 8 Power good  +5V 21 9 5VSB  +5V 22 10 +12V  +5V 23 11 +12V  Ground 24 12 +3.3V    ATX2: ATX 12V Power Connector      Signal Name Pin # Pin # Signal Name +12V 5 1 Ground  +12V 6 2 Ground  +12V 7 3 Ground    +12V 8 4 Ground          MB886 Edge Connectors                          
                    
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                        INSTALLATIONS    CN1: PS/2 Keyboard and PS/2 Mouse Connectors        Keyboard Pin # Mouse  Signal Signal  Keyboard data 1 Mouse data N.C. 2 N.C.  GND 3 GND   5V 4 5V  Mouse (top)  Keyboard clock 5 Mouse clock Keyboard (bottom)  N.C. 6 N.C.                     CN2, J2, J7, J8: COM1/2/3/4 Serial Ports  CN2 (COM1) is a DB-9 connector, while J2, J7 and J8 are a COM  pin-header connectors.                                         COM1                   COM2      Signal Name Pin # Pin # Signal Name  DC
                    
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                        INSTALLATIONS      CN3: Parallel Port Connector  CN3 is a DB-25 external connector situated on top of the VGA and serial  ports.     CN4 Parallel Port        Signal Name Pin # Pin # Signal Name  Line printer strobe 1 14 AutoFeed  PD0, parallel data 0 2 15 Error  PD1, parallel data 1 3 16 Initialize  PD2, parallel data 2 4 17 Select  PD3, parallel data 3 5 18 Ground  PD4, parallel data 4 6 19 Ground  PD5, parallel data 5 7 20 Ground  PD6, parallel data 6 8 21 Ground  PD7, parallel data 7 9 22 Gro
                    
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                        INSTALLATIONS    CN5: Audio Connector        CN6: 10/100 RJ-45 and USB0/1 Connector      CN7: GbE RJ-45 and USB2/3 Connector        CN11, CN10, CN9, CN8: SATA0/1/2/3 Connector       Pin # Signal Name 1 Ground  2 TX+  3 TX-  4 Ground  5 RX-  6 RX+  7 Ground    16 MB886 User’s Manual