IBASE Technology MI941 User manual
MI941
LGA775 Core2 Duo
Intel®G41 Chipset
Mini-ITX Motherboard
USER’S MANUAL
Version 1.0
Acknowledgments
AMI is a registered trademark of American Megatrends, Inc.
PS/2 is a trademark of International Business Machines
Corporation.
Intel is a trademark or registered trademark 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.
MI941 User’s Manual iii
Table of Contents
Introduction.......................................................1
Checklist..............................................................................1
Product Description.............................................................2
Specifications......................................................................3
Board Dimensions...............................................................4
Installations.......................................................5
Installing the CPU...............................................................6
ATX Power Installation ......................................................6
Installing the Memory.........................................................7
Setting the Jumpers .............................................................8
Connectors on MI941........................................................11
BIOS Setup.......................................................19
Drivers Installation......................................41
Intel Chipset Software Installation Utility.........................42
Intel G41 Chipset Family Graphics Driver Installation ....45
Realtek High Definition Audio Driver Installation...........48
Intel PRO LAN Network Drivers Installation...................50
Appendix...........................................................54
A. I/O Port Address Map...................................................54
B. Interrupt Request Lines (IRQ)......................................55
C. Watchdog Timer Configuration....................................56
iv
MI941 User’s Manual
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INTRODUCTION
MI941 User’s Manual 1
Introduction
Checklist
Your MI941 Core 2 Duo motherboard package should include the items
listed below:
The MI941 motherboard
This User’s manual
1 x I/O shield
1 x IDE cable
1 x SATA cable
1 CD containing the following:
Chipset Drivers
Flash Memory Utility
INSTALLATIONS
2
MI941 User’s Manual
Product Description
The MI941 Mini-ITX motherboard is designed for either the Intel
Core2 Duo or Core2 Quad processors of up to 1333MHz FSB.
It is based on the Intel G41 Express chipset and it comes with two
dual-channel DDR3 memory slots and 8GB memory capacity for
faster system responsiveness and support of 64-bit computing.
Dual independent display comes to life with the onboard Intel
G41 integrated graphics with CRT and DVI display interface. LAN
functionality is supported with a single Gigabit Ethernet
controllers.
MI941 is supports high-end features including high definition
audio, ten fast USB 2.0 ports, four SATAII and an eSATA port,
watchdog timer, digital I/O and four serial ports. Board
dimensions are 170mm by 170mm.
MI941 FEATURES
Supports Intel® Core™2 Quad / Core™2 Duo /
Pentium® Dual Core/ Celeron® processors
800MHz/1066MHz/1333MHz FSB
DDR3 DIMM x2, Max. 8GB
Single Gigabit LAN
Integrated G41 VGA for CRT & DVI interface
6x USB 2.0, 4x SATA II, 2x COM
HD audio, Watchdog timer, 1x PCI , 1x PCI-E x1
INTRODUCTION
MI941 User’s Manual 3
Specifications
Form Factor Mini ITX
Processor Supports Intel®Core TM 2 Quad /Core TM 2 Duo/ Celeron®processor
LGA775 socket
FSB 800/1066/1333 MHz
Chipset Intel®G41 Chipset consisting of:
Intel® 82G41 Graphic Memory Controller Hub (GMCH) (25W)
Intel®82801GB (ICH7) I/O Controller Hub(3.3W)
BIOS Phoenix BIOS
Memory Two 240-pin DDRIII 800/1066 DIMM sockets
Supports max. 4 GB system memory
Video Intel G41 integrated graphic subsystem(GMA X4500) , dual
independent display available through on-board VGA and DVI-D
LAN 1. Intel 82583V PCI Express Gigabit LAN controller x1
USB Intel ICH7 built-in USB 2.0 host controller, supports 6 ports:
- 4 ports in the rear I/O region, 2 ports with on-board headers
SATA II Intel ICH7 built-in SATA II controller (3.0Gb/sec) w/ 4 ports
IDE ICH7 built-in one channel Ultra DMA 33/66/100
Audio Intel ICH7 built-in high definition audio w/ Realtek ALC662 Codec
LPC I/O Winbond W83627DHG-P: COM1 (RS232), COM2
(RS232/422/485) & Hardware monitor
Hardware Monitor One fan connectors with tachometer support
CPU fan connector supports 4-wire fan with PWM control
Supports three thermal diodes (CPU die + 2 on-board)
Voltage monitoring for VCC (processor), 3.3V, 5V, and 12V
Edge Connectors PS/2 stack connector x1 for KB/MS
DB9 connector x 1 for COM1
Stack connector x 1 for VGA+DVI-D
RJ45 + dual USB stack connector x1 for LAN1 & USB1~2
Stack dual USB connector x1 for USB 3 & 4
Triple (3x1) phone jack stack connector x1 for High-Definition Audio
On Board Headers
/ Connectors Standard SATA (7-pin shrouded vertical) connector x4
2x4 pins pin-header x1 for USB 5-6
2x5 pins DF11-10 x1 for COM2 (RS232/422/485)
2x5 pins pin-header x1 for Digital I/O
2x5 pins pin-header x1 for front panel audio
40 pins box-header x1 for IDE
4 pins pin-header x1 for CPU fan & 3 pins pin-header x2 system fan
Expansion PCI +PCI-e(x1) slot x1
2x8 pins pin header x1 for adaptor card:
ID394 (4 serial ports)
ID395 (TPM function)
RTC ICH7 built-in RTC with on-board lithium battery
Watchdog Timer Yes (256 segments, 0, 1, 2…255 sec/min)
Digital IO 4 in and 4 Out
Other LAN Wakeup
Power Connector ATX
System Voltage +5V, +3.3V, +12V, -12V & 5VSB
RoHS Compliant Yes
Board Size 170 x 170mm
INSTALLATIONS
4
MI941 User’s Manual
Board Dimensions
INSTALLATIONS
MI941 User’s Manual 5
Installations
This section provides information on how to use the jumpers and
connectors on the MI941 in order to set up a workable system. The
topics covered are:
Installing the CPU ................................................................................. 6
ATX Power Installation......................................................................... 6
Installing the Memory ........................................................................... 7
Setting the Jumpers................................................................................ 8
Connectors on MI941.......................................................................... 11
INSTALLATIONS
6
MI941 User’s Manual
Installing the CPU
The MI941 motherboard supports an LGA 775 processor socket for
Intel® Core 2 Duo 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.
ATX Power Installation
The system power is provided to the motherboard with the ATX2 and
ATX1 power connectors. ATX2 is a 24-pin power connector and ATX1
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.
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