Summary of the content on the page No. 1
MB884
®
Socket LGA775 Pentium 4
®
Intel 915G Chipset
Industrial Motherboard
USER’S MANUAL
Version 1.0
Summary of the content on the page No. 2
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.
Summary of the content on the page No. 3
Table of Contents Introduction .......................................................1 Checklist..............................................................................1 Product Description.............................................................2 MB884 Specifications.........................................................3 Board Dimensions...............................................................4 Installations .......................................................5
Summary of the content on the page No. 4
This page is intentionally left blank. iv MB884 User’s Manual
Summary of the content on the page No. 5
INTRODUCTION Introduction Checklist ® Your MB884 Pentium 4 motherboard package should include the items listed below: • The MB884 motherboard • This User’s Manual • 1 Back I/O shield • 1 IDE Cable • 1 Floppy Cable • 1 SATA Cable • Optional 3 SATA Cables • Optional Serial Port Cable • 1 CD containing the following: • Chipset Drivers • Flash Memory Utility MB884 User’s Manual 1
Summary of the content on the page No. 6
INSTALLATIONS Product Description ® The MB884 LGA 775 Pentium 4 motherboard incorporates the Intel 915G chipset that can utilize a single LGA775 processor of up to 4.0GHz or higher and supports FSB frequency of 533/800Mhz (133MHz, and 200MHz HCLK respectively). ® The 915G chipset is designed for use with the Pentium 4 processor with 1M Level 2 (CPU integrated) cache. The integrated MCH component provides the CPU interface, DDR interface, Hub Interface and PCI Express graphics int
Summary of the content on the page No. 7
INTRODUCTION MB884 Specifications Micro ATX Form Factor Intel Pentium 4 CPU Type 0.8375V~1.6V (VRD 10.1) CPU Voltage 800MHz CPU FSB Up to 3.8+ GHz CPU FSB APM1.2 Green / APM Socket 775 CPU Socket Intel® 915GV/915G Chipset Chipset GMCH: 915GV/915G 1210-ball FCBGA ICH6: 82801FB 609-ball mBGA; FWH BIOS Award BIOS, supports ACPI Function 1M Level 2 (CPU integrated) Cache 915GV built-in, supports CRT VGA Marvell 88E8053 PCI-Express Gigabit LAN controller x2 Gigabit LAN
Summary of the content on the page No. 8
INSTALLATIONS Board Dimensions 4 MB884 User’s Manual
Summary of the content on the page No. 9
INSTALLATIONS Installations This section provides information on how to use the jumpers and connectors on the MB884 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 ..................
Summary of the content on the page No. 10
INSTALLATIONS Installing the CPU The MB884 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 MB884 User’s Manual
Summary of the content on the page No. 11
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 4-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 MB884 motherboard supports two DDR memory sockets for a m
Summary of the content on the page No. 12
INSTALLATIONS Setting the Jumpers Jumpers are used on MB884 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 MB884 and their respective functions. Jumper Locations on MB884.......................................................... 9 JP1: COM2 RS232 +5V/+12V Power Setting.............................. 10 JP2: COM1 RS232 +5V/+12V
Summary of the content on the page No. 13
INSTALLATIONS Jumper Locations on MB884 Jumper Locations on MB884 ...........................................................Page JP1: COM2 RS232 +5V/+12V Power Setting .................................... 10 JP2: COM1 RS232 +5V/+12V Power Setting .................................... 10 JP3: RS232/422/485 (COM2) Selection.............................................. 10 JP5: Clear CMOS Contents ................................................................. 11
Summary of the content on the page No. 14
INSTALLATIONS JP1: COM2 RS232 +5V/+12V Power Setting JP1 Setting Function Pin 1-2 +12V Short/Closed Pin 3-4 Normal Short/Closed Pin 5-6 +5V Short/Closed JP2: COM1 RS232 +5V/+12V Power Setting JP2 Setting Function Pin 1-2 +12V Short/Closed Pin 3-4 Normal Short/Closed Pin 5-6 +5V Short/Closed JP3: RS232/422/485 (COM2) Selection COM1 is fixed for RS-232 use only. JP3, COM2 is selectable for RS232, RS-422 and RS-485. The following table describes the jumpe
Summary of the content on the page No. 15
INSTALLATIONS JP5: Clear CMOS Contents Use JP5, a 3-pin header, to clear the CMOS contents. Note that the ATX-power connector should be disconnected from the motherboard before clearing CMOS. JP5 Setting Function Pin 1-2 Normal Short/Closed Pin 2-3 Clear CMOS Short/Closed MB884 User’s Manual 11
Summary of the content on the page No. 16
INSTALLATIONS [ Connectors on MB884 The connectors on MB884 allows you to connect external devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following table lists the connectors on MB884 and their respective functions. Connector Locations on MB884................................................... 13 ATX1: ATX Power Supply Connector......................................... 14 ATX_12V: ATX 12V Power Connector ..........................
Summary of the content on the page No. 17
INSTALLATIONS Connectors on MB884 .......................................................................................................................................Page ATX1: ATX Power Supply Connector..................................................................................................................14 ATX_12V: ATX 12V Power Connector ...............................................................................................................14 DIMM1: Channel A DDR
Summary of the content on the page No. 18
INSTALLATIONS ATX1: ATX Power Supply 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 ATX1 is a 24-pin ATX power supply connector. ATX_12V: ATX 12V Power Connector This connector supplies the CPU operation voltage Pin # Signal Name 1 Ground 2 Ground 3 +12V 4 +12V D
Summary of the content on the page No. 19
INSTALLATIONS CN1: PS/2 Keyboard and PS/2 Mouse Connectors PS/2 Mouse PS/2 Keyboard Signal Name Keyboard Mouse Signal Name Keyboard data 1 1 Mouse data N.C. 2 2 N.C. GND 3 3 GND 5V 4 4 5V Keyboard clock 5 5 Mouse clock N.C. 6 6 N.C. CN2: 4-port USB Connector CN2 is a USB connector consisting of four ports stacked vertically. Pin Signal Name 1 Ground 2 USB+ 3 USB- CN2 4 Vcc CN3, JP2: COM1/COM2 Serial Ports CN3 (COM1) is a DB-9 connect
Summary of the content on the page No. 20
INSTALLATIONS COM2 is jumper selectable for RS-232, RS-422 and RS-485. Pin # Signal Name RS-232 R2-422 RS-485 1 DCD TX- DATA- 2 RX TX+ DATA+ 3 TX RX+ NC 4 DTR RX- NC 5 Ground Ground Ground 6 DSR RTS- NC 7 RTS RTS+ NC 8 CTS CTS+ NC 9 RI CTS- NC 10 NC NC NC CN4: Parallel Port Connector CN4 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, pa
