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

INSTALLATIONS
MI802 User’s Manual 7
Setting the Jumpers
Jumpers are used on MI802 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 MI802 and their respective functions.
Jumper Locations on MI802.................................................................. 8
JP1: COM1 RS232 RI/+5V/+12V Power Setting ................................. 9
JP2: COM2 RS232 RI/+5V/+12V Power Setting ................................. 9
JP3: LCD Panel Power Selection .......................................................... 9
JP4: LCD Backlight Power Selection.................................................... 9
JP5: LCD BackLight Control Selection .............................................. 10
JP7: Clear CMOS Setting.................................................................... 10
JP8: LCD BackLight Control Output Level........................................ 10
JP9: LCD Boot ROM Protect (factory use only)................................. 10
SW1: Panel Type Selection................................................................. 10

INSTALLATIONS
8 MI802 User’s Manual
Jumper Locations on MI802
Jumper Locations on MI802............................................................ Page
JP1: COM1 RS232 RI/+5V/+12V Power Setting..................................9
JP2: COM2 RS232 RI/+5V/+12V Power Setting..................................9
JP3: LCD Panel Power Selection...........................................................9
JP4: LCD Backlight Power Selection....................................................9
JP5: LCD BackLight Control Selection...............................................10
JP7: Clear CMOS Setting .................................................................... 10
JP8: LCD BackLight Control Output Level ........................................10
JP9: LCD Boot ROM Protect (factory use only).................................10
SW1: Panel Type Selection .................................................................10

INSTALLATIONS
MI802 User’s Manual 9
JP1: COM1 RS232 RI/+5V/+12V Power Setting
JP1 Setting Function
Pin 1-2
Short/Closed +12V
Pin 3-4
Short/Closed RI*
Pin 5-6
Short/Closed +5V
JP2: COM2 RS232 RI/+5V/+12V Power Setting
JP2 Setting Function
Pin 1-2
Short/Closed +12V
Pin 3-4
Short/Closed RI*
Pin 5-6
Short/Closed +5V
JP3: LCD Panel Power Selection
JP3 LCD Panel Power
+3.3V*
+5V
JP4: LCD Backlight Power Selection
JP4 Setting Backlight Voltage
Pin 1-2
Short/Closed +3.3V
Pin 3-4
Short/Closed +5V
1
3
2
4
56
Pin 5-6
Short/Closed +12V*

INSTALLATIONS
10 MI802 User’s Manual
JP5: LCD BackLight Control Selection
JP5 Setting
Super I/O*
Reserved
JP7: Clear CMOS Setting
JP7 Setting
Normal*
Clear CMOS
JP8: LCD BackLight Control Output Level
JP8 Setting
21
+3.3V*
21
+5V
JP9: LCD Boot ROM Protect (factory use only)
JP9 Setting
21
Write
21
Normal*
*Default
SW1: Panel Type Selection
1
ON
32 4
3214
7856
Default: Pin 1,2,3,4 OFF(1111)

INSTALLATIONS
MI802 User’s Manual 11
SW1-4 SW1-3 SW1-2 SW1-1 Panel T
yp
e
ON ON ON ON 800*600 18bit 1ch
ON ON ON OFF 1024*768 18bit 1ch
ON ON OFF ON 1024*768 24bit 1ch
ON ON OFF OFF 1280*768 18bit 1ch
ON OFF ON ON 1280*800 18bit 1ch
ON OFF ON OFF 1280*960 18bit 1ch
ON OFF OFF ON 1280*1024 24bit 2ch
ON OFF OFF OFF 1366*768 18bit 1ch
OFF ON ON ON 1366*768 24bit 1ch
OFF ON ON OFF 1440*900 24bit 2ch
OFF ON OFF ON 1440*1050 24bit 2ch
OFF ON OFF OFF 1600*900 24bit 2ch
OFF OFF ON ON 1680*1050 24bit 2ch
OFF OFF ON OFF 1600*1200 24bit 2ch
OFF OFF OFF ON 1920*1080 24bit 2ch
OFF OFF OFF OFF 1920*1200 24bit 2ch

INSTALLATIONS
12 MI802 User’s Manual
Connectors on MI802
The connectors on MI802 allows you to connect external devices such as
keyboard, floppy disk drives, hard disk drives, printers, etc. The
following table lists the connectors on MI802 and their respective
functions.
Connector Locations on MI802...........................................................13
CN6: PS/2 Keyboard and PS/2 Mouse Connectors.............................14
CN7: COM1/RS232/422/485, COM2/RS232 Serial Port....................14
CN9: VGA and DVI-D Connector ......................................................15
CN15: GbE 1st RJ-45 and USB0/1 Ports ............................................15
CN19: GbE 2nd RJ-45 and USB2/3 Ports...........................................15
CN22: Line-in, Line-out & Microphone Connector............................15
CN1, CN2, CN3, CN4: COM3/4/5/6 RS232 Serial Port.....................16
CN5: ATX 4P +12V~24V Connector .................................................16
CN8, CN11: HDD Power Connector...................................................16
CN10, CN12: LVDS Connectors (1st channel, 2nd channel) .............16
CN13: LCD Backlight Connector........................................................17
CN14, CN16: SATA Connectors.........................................................17
CN17: USB6/7 Ports Header...............................................................17
CN18: iSMART JTAG Pin Header (factory use only)........................17
CN20, CN21: Mini PCIE Connector...................................................17
CN23: Audio Connector (DF11 Connector)........................................18
CN24: Speaker Connector (JST Connector)........................................18
CPU_FAN1: CPU Fan Power Connector............................................18
DIMM1, DIMM2: DDR3 SO-DIMM..................................................18
J1: LPC Debug Connector (factory use only)......................................18
J2: Digital I/O ......................................................................................18
J3: System Function Connector...........................................................19
J5: USB4 Port......................................................................................19
J6: SPI Flash Connector (factory use only) .........................................19
PCI1: PCI Slot (supports 2 Master).....................................................19
SYS_FAN1: System Fan Power Connector ........................................19

INSTALLATIONS
MI802 User’s Manual 13
Connector Locations on MI802

INSTALLATIONS
14 MI802 User’s Manual
CN6: PS/2 Keyboard and PS/2 Mouse Connectors
PS/2 Mouse
PS/2 Keyboard
Signal Name Keyboard Mouse Signal Name
Keyboard data 1 7 Mouse data
N.C. 2 8 N.C.
GND 3 9 GND
+5V 4 10 +5V
Keyboard clock 5 11 Mouse clock
N.C. 6 12 N.C.
CN7: COM1/RS232/422/485, COM2/RS232 Serial Port
[ 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 NC NC
7 RTS NC NC
8 CTS NC NC
9* RI NC NC
* Pin 9 supports RI/+5V/+12V function.

INSTALLATIONS
MI802 User’s Manual 15
CN9: VGA and DVI-D Connector
Signal Name Pin # Pin # Signal Name
Red 1 2 Green
Blue 3 4 N.C.
GND 5 6 GND
GND 7 8 GND
+5V 9 10 GND
N.C. 11 12 DDC DATA
HSYNC 13 14 VSYNC
VGA
DDC CLOCK 15
[[[[
Signal Name Pin # Pin # Signal Name
DATA 2- 1 16 HOT PLUG
DATA 2+ 2 17 DATA 0-
Shield 2 3 18 DATA 0+
N.C. 4 19 SHIELD 0
N.C. 5 20 N.C.
DDC CLOCK 6 21 N.C.
DDC DATA 7 22 SHIELD CLK
N.C 8 23 CLOCK-
DATA 1- 9 24 CLOCK+
DATA 1+ 10 C1 N.C.
SHIELD 1 11 C2 N.C.
N.C. 12 C3 N.C.
N.C. 13 C4 N.C.
+5V 14 C5 N.C.
DVI-D
GROUND 15 C6 N.C.
CN15: GbE 1st RJ-45 and USB0/1 Ports
CN19: GbE 2nd RJ-45 and USB2/3 Ports
CN22: Line-in, Line-out & Microphone Connector
L-IN
L-OUT
MIC

INSTALLATIONS
16 MI802 User’s Manual
CN1, CN2, CN3, CN4: COM3/4/5/6 RS232 Serial Port
2X5_2.0mm_Straight_Male_DF11 (Haoguo DF11-10S-PA66H,
Mating connector: Hirose DF11-10DS-2C or compatible)
2
1
10
9
Signal Name Pin # Pin # Signal Name
DCD, Data carrier detect 1 2 RXD, Receive data
TXD, Transmit data 3 4 DTR, Data terminal
ready
GND, ground 5 6 DSR, Data set ready
RTS, Request to send 7 8 CTS, Clear to send
RI, Ring indicator 9 10 Not Used
CN5: ATX 4P +12V~24V Connector
[[[[ Signal Name Pin # Pin # Signal Name
GND 1 2 GND
+12~24V 3 4 +12~24V
CN8, CN11: HDD Power Connector
1X4_2.5mm_Straight_Male_Wafer (Haoguo W7-03H104142S1WT)
Pin # Signal Name
1 +5V
2 Ground
1 4
3 Ground
4 +12V
CN10, CN12: LVDS Connectors (1st channel, 2nd channel)
Signal Name Pin # Pin # Signal Name
TX0- 2 1 TX0+
Ground 4 3 Ground
TX1- 6 5 TX1+
+5V/3.3V 8 7 Ground
TX3- 10 9 TX3+
TX2- 12 11 TX2+
Ground 14 13 Ground
TXC- 16 15 TXC+
+5V/3.3V 18 17 ENABKL
21
1920
DF13-20
NC 20 19 NC