American Megatrends MI802 User manual

802
MI802
Intel®Cedar Trail + NM10
Mini-ITX Motherboard
USER’S MANUAL
Version 1.0

ii MI802 User’s Manual
Acknowledgments
AMI BIOS is a trademark of American Megatrends Inc.
PS/2 is a trademark of International Business Machines
Corporation.
Intel and Luna-Pier 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.

MI802 User’s Manual iii
Table of Contents
Introduction .......................................................1
Checklist..............................................................................2
MI802 Specifications ..........................................................3
Board Dimensions...............................................................4
Installations .......................................................5
Installing the Memory.........................................................6
Setting the Jumpers .............................................................7
Connectors on MI802........................................................12
BIOS Setup.......................................................21
Drivers Installation ......................................41
Intel Chipset Software Installation Utility.........................42
VGA Drivers Installation ..................................................43
Realtek HD Audio Driver Installation...............................44
LAN Drivers Installation...................................................45
Appendix ...........................................................47
A. I/O Port Address Map...................................................47
B. Interrupt Request Lines (IRQ)......................................48
C. Watchdog Timer Configuration....................................49
D. Digital I/O Sample Code..............................................53

iv MI802 User’s Manual
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INTRODUCTION
MI802 User’s Manual 1
Introduction
MI802 is a Mini ITX board (170mm x 170mm) that comes with the Intel
Atom D2550 processor that runs 1.86GHz and has a 1MB L2 cache. The
board is based on the Intel®CG82NM10 PCH chipset and supports two
SODIMM for a maximum memory support of 4GB.
MI802 features the integrated GMA3650 Intel graphics controller and
supports both CRT and DVD-D video display interface, as well asa
24-bit dual channel interface with the help of Chrontel CH7511B device.
Onboard functional connections are available for two SATA ports, six
COM ports, eight USB 2.0 ports, audio and a PS/2 keyboard/mouse
stack connector. Additional Expansion comes in one slim PCI slot, two
Mini PCI-e(x1) slots. Power connections is with a +12~24V DC in
(ATX 4-pin).
Remarks: Currently, the board comes in two versions:
MI802 – with Cedar Trail-D / Atom D2550 1.86G TDP=10W
DDR3-1066MHz SO-DIMM x 2 (w/o ECC), Max. 4GB, Single channel
MI802N – with Cedar Trail-M / Atom N2600 1.6G TDP=3.5W
DDR3-800MHz SO-DIMM x 1 (w/o ECC), Max. 2GB, Single channel

INTRODUCTION
2 MI802 User’s Manual
Checklist
Your MI802 package should include the items listed below.
 The MI802 Mini-ITX motherboard
 This User’s Manual
 1 CD containing chipset drivers and flash memory utility
 Serial ATA cable
 I/O shield

INTRODUCTION
MI802 User’s Manual 3
MI802 Specifications
Form Factor Mini-ITX
CPU Type Intel®AtomTM D2550/N2600 processor (32nm Technology)
22mm x 22mm, Micro-FCBGA559 [TDP=10W/3/5W]
CPU Speed 1.86GHz / 1MB L2 cache (MI802)
1.6GHz / 1MB L2 cache (MI802N)
BIOS AMI BIOS, support ACPI Function
Chipset Intel®CG82NM10 PCH: 17mm x 17mm, 360-pin BGA (2.1W)
Memory DDR3-1066MHz
SO-DIMM x 2 (w/o ECC), Max. 4GB , Single channel (MI802)
DDR3-800MHz
SO-DIMM x 1 (w/o ECC), Max. 2GB , Single channel (MI802N)
VGA Intel® Integrated Graphics Controller (GMA3650)
Supports DirectX 9 Graphic, OpenGL 3.0
Interface: CRT and DVI-D (thru level shifter ASM1442)
LVDS Chrontel CH7511B for 24-bit dual channel LVDS interface
LAN Realtek 8111E-VL GbE x 2
USB NM10 built-in USB 2.0 host controller, support 8 ports
-4 ports in the rear panel
- 3 ports for onboard pin header (3rd port signal shared with Mini
PCIe)
- 2 ports via Mini PCIe slot
Serial ATA Ports NM10 built-in SATA controller, supports 2 ports
Audio NM10 built-in HD audio controller w/ Realtek ALC269QHD Codec
LPC I/O Fintek F81866AD-I:
- COM1 (RS-232/422/485), COM2 (RS-232), COM3 (RS-232),
COM4 (RS-232), COM5 (RS-232), COM6 (RS-232)
- Hardware monitor (2 thermal inputs, 4 voltage monitor inputs,
VID0~4 & 2 x Fan Header)
- COM1/2 with pin-9 with power for 2 ports (500 mA for each port)
Digital IO 4 in & 4 out
Keyboard/Mouse
Connector
Yes
Expansion Slots Slim PCI slot x 1
Mini PCI-e(x1) x 2, Mounting holes for full-sized (x2) [Reserved
mounting holes for Half-sized also x1]
Edge Connector
PS/2 KB+MS stack connector x 1
DB15 + DVI-D stack connector x 1 for CRT + DVI
Dual DB9 stack connector x1 for COM#1 + COM#2
Dual USB + RJ45 x2 for USB + LAN
HD Audio Jack 3x1 connector x 1 (Line-out, Line-in, MIC)
Onboard Header/
Connector
2x4 pin header x 1 for 2 USB ports
1x5 pin header x 1 for USB 4 [Shared with Mini PCIe USB signal]
2x6 pin header x 1 for front audio
DF11 type 10 pin box header x 4 for COM # 3~6
2x5 pin header x 1 for Digital I/O
DF13 box header x 2 for LVDS
4 pin box header x1 for LCD backlight control
SATA connector x 2
4-pin HDD power connector x 2 for SATA device
4-pin ATX power connector for DC-in power
4-pin header for speaker out (from ALC269 internal amplifier)
Watchdog Timer Yes (256 segments, 0, 1, 2…255 sec/min)
Power Connector +12~24V DC-in (ATX 4-pins)
Others 1. iSMART function [Auto-scheduler & Power fail resume ]
2. EuP/ErP thru Super I/O [WOL from 1ST GbE]
Board Size 170mm x 170mm

INTRODUCTION
4 MI802 User’s Manual
Board Dimensions

INSTALLATIONS
MI802 User’s Manual 5
Installations
This section provides information on how to use the jumpers and
connectors on the MI802 in order to set up a workable system. The
topics covered are:
Installing the Memory ........................................................................... 6
Setting the Jumpers................................................................................ 7
Connectors on MI802.......................................................................... 12

INSTALLATIONS
6 MI802 User’s Manual
Installing the Memory
The MI802 board supports two DDR3-1066 memory.
The MI802N board supports one DDR3-800 memory.
Remarks:
D2550 supports SO-DIMM x 2 (w/o ECC), Max. 4GB, Single channel
N2600 supports SO-DIMM x 1 (w/o ECC), Max. 2GB, Single channel
Installing and Removing Memory Modules
To install the DDR3 modules, locate the memory slot on the board and
perform the following steps:
1. Hold the DDR3 module so that the key of the DDR3 module aligned
with that on the memory slot.
2. Gently push the DDR3 module in an upright position until the clips of
the slot close to hold the DDR3 module in place when the DDR3
module touches the bottom of the slot.
3. To remove the DDR3 module, press the clips with both hands.
DDR3 Module
Lock Lock
Lock Lock