The information in this document is subject to change without prior notice in order to
improve reliability, design and function and does not represent a commitment on the part
of the manufacturer.
In no event will the manufacturer be liable for direct, indirect, special, incidental, or
consequential damages arising out of the use or inability to use the product or
documentation, even if advised of the possibility of such damages.
This document contains proprietary information protected by copyright. All rights are
Copyright
reserved. No part of this manual may be reproduced by any mechanical, electronic, or
other means in any form without prior written permission of the manufacturer.
TRADEMARKS
All registered trademarks and product names mentioned herein are used for identification
purposes only and may be trademarks and/or registered trademarks of their respective
owners.
BIOS Menu 1: Main.......................................................................................................................68
BIOS Menu 2: Advanced..............................................................................................................69
BIOS Menu 3: ACPI Configuration..............................................................................................70
BIOS Menu 4: CPU Configuration...............................................................................................71
BIOS Menu 5: IDEConfiguration.................................................................................................72
BIOS Menu 6: USB Configuration...............................................................................................73
BIOS Menu 7: Super IO Configuration........................................................................................75
BIOS Menu 8: Serial Port n Configuration Menu.......................................................................75
BIOS Menu 9: Hardware Health Configuration..........................................................................78
BIOS Menu 10: Serial Port Console Redirection.......................................................................81
BIOS Menu 11: Console Redirection Settings...........................................................................82
BIOS Menu 12: Chipset................................................................................................................83
BIOS Menu 13:Northbridge Chipset Configuration...................................................................84
BIOS Menu 14:Southbridge Chipset Configuration..................................................................85
BIOS Menu 15: Intel IGD SWSCI OpRegion ...............................................................................87
BIOS Menu 16: Boot.....................................................................................................................88
BIOS Menu 17: Security...............................................................................................................90
BIOS Menu 18:Exit........................................................................................................................91
BIOS Menu 19: IEI Feature........................................................................................................ 117
Page XIV
Page 15
NANO-HM551 EPIC SBC
Chapter
1
1 Introduction
Page 1
Page 16
1.1 Introduction
NANO-HM551 EPIC SBC
Figure 1-1: NANO-HM551
The NANO-HM551 EPIC motherboard is a Socket G1 32nm Intel® Core™ i3, i5 and i7
processor platform. Up to one 4.0 GB 800 MHz or 1066 MHz DDR3 SDRAM SO-DIMM is
supported by the NANO-HM551.
The integrated Intel® HM55 Express Chipset supports two GbE LA N port throug h the dual
Realtek RTL8111E Ethernet controllers (with ASF 2.0 support). The NANO-HM551 also
supports two SATA 3Gb/s drives and provides 5 V SATA power.
The NANO-HM551 supports dual display via VGA, HDMI and an internal LVDS connector.
Eight USB 2.0 channels and one expansion PCIe mini socket provide flexible expansion
options. High Definition Audio (HDA) support ensures HDA devices can be easily
implemented on the NANO-HM551. Serial device connectivity is provided by three internal
RS-232 and one internal RS-232/422/485 connectors.
Page 2
Page 17
NANO-HM551 EPIC SBC
1.2 Connectors
The connectors on the NANO-HM551 are shown in the figure below.
Figure 1-2: Connectors
Page 3
Page 18
1.3 Dimensions
The dimensions of the board are listed below:
Length: 165 mm
Width: 115 mm
NANO-HM551 EPIC SBC
Figure 1-3: NANO-HM551 Dimensions (mm)
Page 4
Page 19
NANO-HM551 EPIC SBC
1.4 Data Flow
6Figure 1-4 shows the data flow between the two on-board chipsets and other components
installed on the motherboard and described in the following sections of this chapter.
Figure 1-4: Data Flow Block Diagram
Page 5
Page 20
1.5 Technical Specifications
NANO-HM551 technical specifications are listed in table below.
Static electricity can destroy certain electronics. Make sure to follow the
ESD precautions to prevent damage to the product, and injury to the
user.
Make sure to adhere to the following guidelines:
Wear an anti-static wristband: Wearing an anti-static wristband can prevent
electrostatic discharge.
Self-grounding: Touch a grounded conductor every few minutes to discharge
any excess static buildup.
Use an anti-static pad: When configuring any circuit board, place it on an
anti-static mat.
Only handle the edges of the PCB: Don't touch the surface of the
motherboard. Hold the motherboard by the edges when handling.
2.2 Unpacking Precautions
When the NANO-HM551 is unpacked, please do the following:
Follow the antistatic guidelines above.
Make sure the packing box is facing upwards when opening.
Make sure all the packing list items are present.
Page 9
Page 24
2.3 Packing List
NOTE:
If any of the components listed in the checklist below are missing, do
not proceed with the installation. Contact the IEI reseller or vendor the
NANO-HM551 was purchased from or contact an IEI sales
NANO-HM551 EPIC SBC
representative directly by sending an email to
The NANO-HM551 is shipped with the following components:
Quantity Item and Part Number Image
1 NANO-HM551 motherboard
1 SATA and 5 V power cable
(P/N: 32000-114000-RS)
2 RS-232 serial port cable
(P/N: 32200-000049-RS)
1 AT 12 V Cable
32sales@iei.com.tw.
Page 10
(P/N: 32100-087100-RS)
1 Audio cable
(P/N: 32000-072100-RS)
1 Mini jumper pack (2.0mm)
(P/N: 33100-000033-RS)
1 Utility CD
Page 25
NANO-HM551 EPIC SBC
1 One Key Recovery CD
1 Quick Installation Guide
2.3.1 Optional Items
The following are optional components which may be separately purchased:
Item and Part Number Image
CPU cooler for 55 W mobile processor
(P/N: CF-989A-RS-R11)
CPU cooler for 50 W mobile processor
(P/N: CF-989B-RS)
Dual USB cable (without bracket)
(P/N: 32000-070301-RS)
SATA power cable
(P/N: 32100-000100-100-RS)
(P/N: 32100-000100-200-RS)
(P/N: 32100-000100-300-RS)
SATA cable
(P/N: 32000-062800-RS)
SATA cable
(P/N: 32000-1 12000-RS)
Page 11
Page 26
Keyboard/Mouse cable
NANO-HM551 EPIC SBC
(P/N: 32200-133200-RS)
Page 12
Page 27
NANO-HM551 EPIC SBC
Chapter
3
3 Connectors
Page 13
Page 28
3.1 Peripheral Interface Connectors
This chapter details all the jumpers and connectors.
3.1.1 NANO-HM551 Layout
The figures below show all the connectors and jumpers.
NANO-HM551 EPIC SBC
Figure 3-1: Connector and Jumper Locations
Page 14
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NANO-HM551 EPIC SBC
3.1.2 Peripheral Interface Connectors
The table below lists all the connectors on the board.
The cooling fan connector provides a 12V, 500mA current to the cooling fan. The
connector has a "rotation" pin to get rotation signals from fans and notify the system so the
system BIOS can recognize the fan speed. Please note that only specified fans can issue
the rotation signals.
Figure 3-8: +12V Fan Connector Locations
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Page 36
PIN NO. DESCRIPTION
1 N/C
2 +12V
3 GND
Table 3-9: +12V Fan Connector Pinouts
3.2.8 Front Panel Connector
NANO-HM551 EPIC SBC
CN Label:
CN Type:
CN Location:
CN Pinou
ts:
The front pa
nel connector connects to external switches and indicators to monitor and
F_PANEL1
8-pin header (2x4)
See Figure 3-9
See Table 3-10
controls the motherboard. These indicators and switches include:
Power button
Reset
Power LED
HDD LED
Page 22
Figure 3-9: Front Panel Connector Location
FUNCTION PIN DESCRIPTIONFUNCTIONPINDESCRIPTION
1 PWRBTN_SW# 2 PWR LED Power Button
3 GND
Power LED
4 GND
Page 37
NANO-HM551 EPIC SBC
FUNCTION PIN DESCRIPTIONFUNCTIONPINDESCRIPTION
SATA LED
5 SATA LED PWT 6 RESET
7 SATA_LED#
Table 3-10: Front Panel Connector Pinouts
3.2.9 Keyboard/Mouse Connector
CN Label: KB_MS1
CN Type:
CN Location:
CN Pinou
The keyb
ts:
oard/mouse connector connects to a PS/2 Y-cable that can be connected to a
PS/2 keyboard and mouse.
6-pin wafer (1x6)
See Figure 3-10
See Table 3-11
Reset
8 GND
Figure 3-10: Keyboard/Mouse Connector Location
Pin Description
1 +5 VCC
2 MS DATA
3 MS CLK
4 KB DATA
5 KB CLK
6 GROUND
Table 3-11: Keyboard/Mouse Connector Pinouts
3.2.10 Backlight Inverter Connector
CN Label: INV1
CN Type:
5-pin wafer (1x5)
Page 23
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NANO-HM551 EPIC SBC
CN Location:
CN Pinou
The ba
ts:
cklight inverter connector provides power to an LCD panel.
The two SATA 3Gb/s drive connectors are each connected to a SATA 3Gb/s drive. The
SATA 3Gb/s drives transfer data at speeds as high as 3.0 Gb/s.
Figure 3-15: SATA Drive Connector Locations
PIN NO. DESCRIPTION
1 GND
2 TX+
3 TX4 GND
5 RX6 RX+
7 GND
Table 3-16: SATA Drive Connector Pinouts
3.2.15 SATA Power Connectors
CN Label:
CN Type:
CN Location:
CN Pinouts:
The SATA Power Connectors provides +5V power output to the SATA connectors.
CN5, CN6
2-pin wafer (1x2)
See Figure 3-16
See Table 3-17
Page 28
Page 43
NANO-HM551 EPIC SBC
Figure 3-16: SATA Power Connector Locations
PIN NO. DESCRIPTION
1 +5V
2 GND
Table 3-17: SATA Power Connector Pinouts
3.2.16 Serial Port Connectors (RS-232)
CN Label:
CN Type:
CN Location:
CN Pinouts:
These connectors provide RS-232 communications.
COM1, COM2, COM4
10-pin header (2x5)
6Figure 3-17
See
6Table 3-18
See
Figure 3-17: COM Connector Pinout Locations
Page 29
Page 44
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 Data Carrier Direct (DCD) 2 Data Set Ready (DSR)
3 Receive Data (RXD) 4 Request To Send (RTS)
5 Transmit Data (TXD) 6 Clear To Send (CTS)
7 Data Terminal Ready (DTR) 8 Ring Indicator (RI)
9 Ground (GND) 10 GND
Table 3-18: COM Connector Pinouts
3.2.17 Serial Port Connector (RS-232/422/485)
CN Label: COM3
NANO-HM551 EPIC SBC
CN Type:
CN Location:
CN Pinouts:
14-pin header (2x7)
See Figure 3-18
See Table 3-19
1 Data Carrier Direct (DCD) 2 Data Set Ready (DSR)
3 Receive Data (RXD) 4 Request To Send (RTS)
5 Transmit Data (TXD) 6 Clear To Send (CTS)
7 Data Terminal Ready (DTR) 8 Ring Indicator (RI)
9 Ground (GND) 10 GND
Table 3-20: COM Connector Pinouts
3.2.19 TPM Connector
CN Label: TPM1
CN Type:
CN Location:
CN Pinouts:
The Trusted Platform Module (TPM) connector secures the system on bootup.
20-pin header (2x10)
See Figure 3-20
See Table 3-21
The RJ-45 Ethernet connector has two status LEDs, one green and one yello w. The green
LED indicates activity on the port and the yellow LED indicates the speed. See
6Table
3-24.
Speed LED Activity/Link LED
STATUS
Off 10 Mbps connection Off No link
Green 100 Mbps connection Yellow Linked
Orange Gbps connection Blinking TX/RX activity 1
DESCRIPTION STATUS DESCRIPTION
Table 3-24: RJ-45 Ethernet Connector LEDs
Page 34
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NANO-HM551 EPIC SBC
Figure 3-23: RJ-45 Ethernet Connector
3.3.2 HDMI Connector
CN Label:
CN Type:
CN Location:
CN Pinouts:
HDMI1
HDMI type A connector
6Figure 3-22
See
6Table 3-25
See
The HDMI (High-Definition Multimedia Interface) connector connects to digital audio or
video sources.
Connects to a monitor that accepts a standard VGA input.
Figure 3-24: VGA Connector
PIN DESCRIPTION PIN DESCRIPTION
15-pin Female
See Figure 3-22
See Figure 3-24 and Table 3-27
Page 36
1 RED 2 GREEN
3 BLUE 4 NC
5 GND 6 GND
7 GND 8 GND
9 VCC / NC 10 GND
11 NC 12 DDC DAT
Page 51
NANO-HM551 EPIC SBC
PIN DESCRIPTION PIN DESCRIPTION
13 HSYNC 14 VSYNC
15 DDCCLK
Table 3-27: VGA Connector Pinouts
Page 37
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NANO-HM551 EPIC SBC
Chapter
4
4 Installation
Page 38
Page 53
NANO-HM551 EPIC SBC
4.1 Anti-static Precautions
WARNING:
Failure to take ESD precautions during the installation of the
NANO-HM551 may result in permanent damage to the NANO-HM551
and severe injury to the user.
Electrostatic discharge (ESD) can cause serious damage to electronic components,
including the NANO-HM551. Dry climates are especially susceptible to ESD. It is therefore
critical that whenever the NANO-HM551 or any other electrical component is handled, the
following anti-static precautions are strictly adhered to.
Wear an anti-static wristband: Wearing a simple ant i-static wristband can
help to prevent ESD from damaging the board.
Self-grounding: Before handling the board, touch any grounded conducting
material. During the time the board is handled, frequently touch any
conducting materials that are connected to the ground.
Use an anti-static pad: When configuring the NANO-HM551, place it on an
antic-static pad. This reduces the possibility of ESD damaging the
NANO-HM551.
Only handle the edges of the PCB: When handling the PCB, hold the PCB
by the edges.
Page 39
Page 54
4.2 Installation Considerations
NOTE:
The following installation notices and installation considerations should
be read and understood before the NANO-HM551 is installed. All
installation notices pertaining to the installation of the NANO-HM551
should be strictly adhered to. Failing to adhere to these precautions
may lead to severe damage of the NANO-HM551 and injury to the
person installing the motherboard.
4.2.1 Installation Notices
NANO-HM551 EPIC SBC
WARNING:
The installation instructions described in this manual should be carefully
followed in order to prevent damage to the NANO-HM551, NANO-HM551
components and injury to the user.
Before and during the installation please DO the following:
Read the user manual:
oThe user manual provides a complete description of the NANO-HM551
installation instructions and configuration options.
Wear an electrostatic discharge cuff (ESD):
oElectronic components are easily damaged by ESD. Wearing an ESD cuff
removes ESD from the body and helps prevent ESD damage.
Place the NANO-HM551 on an antistatic pad:
oWhen installing or configuring the motherboard, place it on an antistatic
pad. This helps to prevent potential ESD damage.
Page 40
Turn all power to the NANO-HM551 off:
Page 55
NANO-HM551 EPIC SBC
oWhen working with the NANO-HM551, make sure that it is disconnected
from all power supplies and that no electricity is being fed into the system.
Before and during the installation of the NANO-HM551 DO NOT:
Remove any of the stickers on the PCB board. These stickers are required for
warranty validation.
Use the product before verifying all the cables and power connectors are
properly connected.
Allow screws to come in contact with the PCB circuit, connector pins, or its
components.
4.3 Unpacking
When the NANO-HM551 is unpacked, please check all the unpacking list items listed in
Chapter 3 are indeed present. If any of the unpacking list items are not available please
contact the NANO-HM551 vendor reseller/vendor where the NANO-HM551 was
purchased or contact an IEI sales representative.
4.4 CPU, CPU Cooling Kit and SO-DIMM Installation
WARNING:
A CPU should never be turned on without the specified cooling kit
being installed. If the cooling kit (heat sink and fan) is not properly
installed and the system turned on, permanent damage to the CPU,
NANO-HM551 and other electronic components attached to the
system may be incurred. Running a CPU without a cooling kit may also
result in injury to the user.
The CPU, CPU cooling kit and DIMM are the most critical components of the
NANO-HM551. If one of these component is not installed the NANO-HM551 cannot run.
Page 41
Page 56
4.4.1 Socket G1 CPU Installation
WARNING:
CPUs are expensive and sensitive components. When installing the
CPU please be careful not to damage it in anyway. Make sure the CPU
is installed properly and ensure the correct cooling kit is properly
installed.
To install a socket G1 CPU onto the NANO-HM551, follow the steps below:
WARNING:
NANO-HM551 EPIC SBC
When handling the CPU, only hold it on the sides. DO NOT touch the
pins at the bottom of the CPU.
Step 1: Unlock the CPU retention scre w. When shipped, the retention screw of the
CPU socket should be in the unlocked position. If it is not in the unlocked
position, use a screwdriver to unlock the screw. See Figure 4-1.
Page 42
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NANO-HM551 EPIC SBC
Figure 4-1: Make sure the CPU socket retention screw is unlocked
Step 2: Inspect the CPU socket. Make sure there are no bent pins and make sure the
socket contacts are free of foreign material. If any debris is found, remove it with
compressed air.
Step 3: Correctly Orientate the CPU. Make sure the IHS (integrated heat sink) side is
facing upwards.
Step 4: Correctly position the CPU. Match the Pin 1 mark with the cut edge on the
CPU socket. See Figure 4-1.
Step 5: Align the CP
socket.
Step 6: Insert the CPU. Gently insert the CPU into the socket. If the CPU pins are
properly aligned, the CPU should slide into the CPU socket smoothly.
Step 7: Lock the retention screw. Rotate the retention screw into the locked position.
See Figure 4-2.Step 0:
U pins. Carefully align the CPU pins with the holes in the CPU
Page 43
Page 58
Figure 4-2: Lock the CPU Socket Retention Screw
4.4.2 Socket G1 Cooling Kit Installation
NANO-HM551 EPIC SBC
An IEI Socket G1 CPU cooling kit can be purchased separately. (See Chapter 3) The
cooling kit comprises a CPU heat sink and a cooling fan.
WARNING:
Do not wipe off (accidentally or otherwise) the pre-sprayed layer of
thermal paste on the bottom of the heat sink. The thermal paste
between the CPU and the heat sink is important for optimum heat
dissipation.
To install the cooling kit, please follow the steps below.
Step 1: Install the cooling kit bracket. A cooling kit bracket is installed on the rear of
the motherboard. Align the bracket with the four retention holes at the back of
the motherboard. Once properly aligned, insert four retention screws from the
Page 44
front of the motherboard.
Page 59
NANO-HM551 EPIC SBC
Figure 4-3: Cooling Kit Support Bracket
Step 2: Open the lever at the top of the heat s i nk. Lift the lever at the top of the
cooling kit to loosen the cooling kit clamps.
Step 3: Secure the cooling kit. Gently place the heat sink and coolin g kit onto the CPU.
Make sure the hooks are properly secured to the bracket. To secure the cooling
kit, close the top lever.
Step 4: Connect the fan cable. Connect the cooling kit fan cable to the fan connector
on the NANO-HM551. Carefully route the cable and avoid heat generating chips
and fan blades.Step 0:
Page 45
Page 60
4.4.3 SO-DIMM Installation
To install an SO-DIMM, please follow the steps below and refer to Figure 4-4.
Figure 4-4: SO-DIMM Installation
Step 1: Locate the SO-DIMM socket. Place the board on an anti-static mat.
Step 2: Align the SO-DIMM with the socket. Align the notch on the memory with the
NANO-HM551 EPIC SBC
notch on the memory socket.
Step 3: Insert the SO-DIMM. Push the memory in at a 20º angle. (See Figure 4-4)
Step 4: Seat th
Figure 4-4) Step 0:
e SO-DIMM. Gently push downwards and the arms clip into place. (See
4.5 Jumper Settings
NOTE:
A jumper is a metal bridge used to close an
electrical circuit. It consists of two or three metal
pins and a small metal clip (often protected by a
plastic cover) that slides over the pins to connect
them. To CLOSE/SHORT a jumper means
connecting the pins of the jumper with the plastic
clip and to OPEN a jumper means removing the
plastic clip from a jumper.
Figure 4-5: Jumper Locations
Page 46
Page 61
NANO-HM551 EPIC SBC
Before the NANO-HM551 is installed in the system, the jumpers must be set in
accordance with the desired configuration. The jumpers on the NANO -HM 551 a re li sted in
Button Power Select jumper specifies the systems auto button power mode
2-pin header
See Table 4-3
See Figure 4-6
as AT or ATX.
Setting Description
Short Use AT power
Page 47
Page 62
Setting Description
Open Use ATX power
NANO-HM551 EPIC SBC
Table 4-2: AT Auto Button Power Select Jumper Settings
Figure 4-6: AT Auto Button Select Jumper Settings
4.5.2 AT/ATX Power Select Jumper Settings
Jumper Label:
Jumper Type:
Jumper Settings:
J_ATXCTL1
3-pin header (1x3)
See Table 4-3
Jumper Loc
The AT/ATX Power Sele
AT/ATX Power Select jumper settings are shown in Table 4-3.
AT Power Select Description
Short 1 - 2 Use ATX power
Short 2 – 3 Use AT power Default
Table 4-3: AT/ATX Power Select Jumper Settings
The location of the AT/ATX Power Select jumper is shown in Figure 4-7 below.
ation:
See Figure 4-7
ct jumper specifies the systems power mode as AT or ATX.
Page 48
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NANO-HM551 EPIC SBC
Figure 4-7: AT/ATX Power Select Jumper Location
4.5.3 Clear CMOS Jumper
Jumper Label:
Jumper Type:
Jumper Settings:
Jumper Location:
J_CMOS1
3-pin header (1x3)
6Table 4-4
See
6Figure 4-8
See
If the NANO-HM551 fails to boot due to improper BIOS settings, the clear CMOS jumper
clears the CMOS data and resets the system BIOS information. To do this, use the jumper
cap to close pins 2 and 3 for a few seconds then reinstall the jumper clip back to pins 1
and 2.
If the “CMOS Settings Wrong” message is displayed during the boot up process, the fault
may be corrected by pressing the F1 to enter the CMOS Setup menu. Do one of the
following:
Enter the correct CMOS setting
Load Optimal Defaults
Load Failsafe Defaults.
After having done one of the above, save the changes and exit the CMOS Setup menu.
The clear CMOS jumper settings are shown in
6Table 4-4.
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Page 64
Clear CMOS Description
Short 1 - 2 Keep CMOS Setup Default
Short 2 - 3 Clear CMOS Setup
Table 4-4: Clear CMOS Jumper Settings
The location of the clear CMOS jumper is shown in 6Figure 4-8 below.
NANO-HM551 EPIC SBC
Figure 4-8: Clear CMOS Jumper
4.5.4 COM 3 Function Select Jumper
Jumper Label: J1
Jumper Type:
Jumper Settings:
Jumper Loc
COM 3 Function Select jumper sets the communication protocol used by the third
The
serial communications port (COM 3) as RS-232, RS-422 or RS -485. The COM 2 Function
Select settings are shown in the table below.
Setting Description
1-2 RS-232 (Default)
2-3 RS-422/485
Table 4-5: COM 2 Function Select Jumper Settings
ation:
3-pin header
See Table 4-5
See Figure 4-9
Page 50
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NANO-HM551 EPIC SBC
Figure 4-9: COM 2 Function Select Jumper Location
4.5.5 LCD Panel Type Jumper
Jumper Label: J_PID1
Jumper Type:
Jumper Settings:
Jumper Loc
ation:
The LCD Panel T
ype jumper allows the LCD panel type to be set. The LCD Panel Type
8-pin header
See Table 4-6
See Figure 4-10
jumper settings are shown in Table 4-6.
Pin Description
Open 800 x 600 (18-bit)
1-2 1024 x 768 (18-bit)
3-4 1024 x 768 (24-bit)
1-2 and 3-4 1280 x 800 (18-bit)
5-6 1280 x 1024 (48-bit)
1-2 and 5-6 1366 x 768 (18-bit)
3-4 and 5-6 1400 x 1050 (48-bit)
1-2 and 3-4 and 5-6 1440x 900 (48-bit)
7-8 1600 x 900 (48-bit)
1-2 and 7-8 1600 x 1200 (48-bit)
3-4 and 7-8 1680 x 1050 (48-bit)
1-2 and 3-4 and 7-8 1920 x 1080 (48-bit)
5-6 and 7-8 1920 x 1200 (48-bit)
1-2 and 5-6 and 7-8 2048 x 1536 (48-bit)
Incorrect voltages can destroy the LCD panel. Make sure to select a
voltage that matches the voltage required by the LCD panel.
Jumper Label: J_VLVDS1
Jumper Type:
Jumper Settings:
Jumper Loc
The LCD voltage sele
panel.
Setting Description
1-2 +3.3 V (Default)
3-4 +5.0 V
5-6 +12 V
ation:
6-pin header
See Table 4-7
See Figure 4-11
ction jumper sets the voltage of the power supplied to the LCD
Page 52
Table 4-7: LVDS Voltage Selection Jumper Settings
Page 67
NANO-HM551 EPIC SBC
Figure 4-11: LVDS Voltage Selection Jumper Locations
4.5.7 ME RTC Register Jumper
Jumper Label: ME_RTC1
Jumper Type:
Jumper Settings:
Jumper Loc
The ME RT
Register jumper settings are shown in Table 4-4.
Setting Description
Short 1-2
Short 2-3 Clear ME RTC registers
Table 4-8: ME RTC Register Jumper Settings
ation:
C Register jumper saves or clears the ME RTC registers. The ME RTC
3-pin header
See Table 4-8
See Figure 4-12
Save ME RTC registers
Default
(normal operation)
Figure 4-12: ME RTC Register Jumper Location
4.5.8 ME RTC Flash Security Override Jumper
Jumper Label: JP1
Jumper Type:
2-pin header
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NANO-HM551 EPIC SBC
Jumper Settings:
Jumper Loc
The ME RT
registers. The ME RTC Security Override jumper settings are shown in Table 4-4.
Setting Description
Open Flash Security On Default
Short Flash Security Override
Table 4-9: ME RTC Security Override Jumper Settings
ation:
C Security Override jumper protects or overrides the ME RTC Flash security
See Table 4-9
See Figure 4-13
Figure 4-13: ME RTC Security Override Jumper Location
4.6 Chassis Installation
4.6.1 Airflow
WARNING:
Airflow is critical to the cooling of the CPU and other onboard
components. The chassis in which the NANO-HM551 must have air
vents to allow cool air to move into the system and hot air to move out.
The NANO-HM551 must be installed in a chassis with ventilation holes on the sides
allowing airflow to travel through the heat sink surface. In a system with an individual
power supply unit, the cooling fan of a power supply can also help generate airflow
through the board surface.
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NANO-HM551 EPIC SBC
4.6.2 Motherboard Installation
To install the NANO-HM551 motherboard into the chassis please refer to the reference
material that came with the chassis.
4.7 Internal Peripheral Device Connections
This section outlines the installation of peripheral devices to the onboard connectors
4.7.1 AT/ATX Power Connection
Follow the instructions below to connect the NANO-HM551 to an AT or ATX power supply.
WARNING:
Disconnect the power supply power cord from its AC power source to
prevent a sudden power surge to the NANO-HM551.
Step 1: Locate the power cable. The power cable is shown in the packing list in
Chapter 3.
Step 2: Connect the Power Cable to the Moth erboar d. Connect the 4 -pin (2x2) M olex
type power cable connector to the AT/ATX power connector on the motherboard.
See Figure 4-14.
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NANO-HM551 EPIC SBC
Figure 4-14: Power Cable to Motherboard Connection
Step 3: Connect Power Cable to Power Supply . Connect one of the 4-pi n (1x4) M olex
type power cable connectors to an AT/ATX power supply. See Figure 4-15.
Step 0:
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NANO-HM551 EPIC SBC
Figure 4-15: Connect Power Cable to Power Supply
4.7.2 Audio Kit Installation
The Audio Kit that came with the NANO-HM551 connects to the audio connector on the
NANO-HM551. The audio kit consists of three audio jacks. Mic-in connects to a
microphone. Line-in provides a stereo line-level input to connect to the output of an audio
device. Line-out, a stereo line-level output, connects to two amplified speakers. To install
the audio kit, please refer to the steps below:
Step 1: Locate the audio connector. The location of the 10-pin audio connector is
shown in Chapter 3.
Step 2: Align pin 1. Align pin 1 on the on-board connector wi th pin 1 on the audio kit
connector. Pin 1 on the audio kit connector is indicated with a white dot. See
Figure 4-16.
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Figure 4-16: Audio Kit Cable Connection
Step 3: Connect the audio devices. Connect speakers to the line-out audio jack.
Connect the output of an audio device to the line-in audio jack. Connect a
microphone to the mic-in audio jack.Step 0:
4.7.3 Single RS-232 Cable (w/o Bracket)
The single RS-232 cable consists of one serial port connector attached to a serial
communications cable that is then attached to a D-sub 9 male connector. To install the
single RS-232 cable, please follow the steps below.
Step 1: Locate the connector. The location of the RS-232 connector is shown in
Chapter 3.
Step 2: Insert the cable connector. Insert the connector into the serial port box header.
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See Figure 4-17. A key on the front of the cabl
connector can only be installed in one direction.
e connectors ensures the
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NANO-HM551 EPIC SBC
Figure 4-17: Single RS-232 Cable Installation
Step 3: Secure the bracket. The single RS-232 connector has two retention screws
that must be secured to a chassis or bracket.
Step 4: Connect the serial device. Once the single RS-232 connector is connected to
a chassis or bracket, a serial communications device can be connected to the
system.Step 0:
4.8 External Peripheral Interface Connection
The following external peripheral devices can be connected to the external peripheral
interface connectors.
DVI devices
RJ-45 Ethernet cable connector
USB devices
VGA monitor
To install these devices, connect the corresponding cable connector from the actual
device to the corresponding NANO-HM551 external peripheral interface connector makin g
sure the pins are properly aligned.
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4.8.1 HDMI Display Device Connection
The NANO-HM551 has one female HDMI connector on the external peripheral interface
panel. The HDMI connectors are connected to digital display devices. To connect a digital
display device to the NANO-HM551, please follow the instructions below.
Step 1: Locate the HDMI connector. The location of the HDMI conne ctor is shown in
another chapter.
Step 2: Align the HDMI connector. Align the male HDMI connector on the digital
display device cable with the female HDMI connector on the external peripheral
interface.
Step 3: Insert the HDMI connector. Once the connectors are properly aligned with the
male connector, insert the male conne ctor from the digital display device into the
NANO-HM551 EPIC SBC
female connector on the NANO-HM551.
Step 4: Secure the connector. Secure the HDMI connector from the digital display
device to the external interface by tightening the two retention screws on either
side of the connector. Step 0:
4.8.2 LAN Connection (Single Connector)
There is one external RJ-45 LAN connector. The RJ-45 connector enables connection to
an external network. To connect a LAN cable with an RJ-45 connector, please follow the
instructions below.
Step 1: Locate the RJ-45 connectors. The location of the LAN connector is shown in
Chapter 4.
Step 2: Align the connectors. Align the RJ-45 connector on the LAN cable with one of
the RJ-45 connectors on the NANO-HM551. See Figure 4-18.
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NANO-HM551 EPIC SBC
Figure 4-18: LAN Connection
Step 3: Insert the LAN cable RJ-45 connector. Once aligned, gently insert the LAN
cable RJ-45 connector into the on-board RJ-45 connector. Step 0:
4.8.3 USB Connection (Dual Connector)
The external USB Series "A" receptacle connectors provide easier and quicker access to
external USB devices. Follow the steps below to connect USB devices to the
NANO-HM551.
Step 1: Locate the USB Series "A" receptacle connectors. The location of the USB
Series "A" receptacle connectors are shown in Chapter 3.
Step 2: Insert a USB Series "A" plug.Insert the USB Series "A" plug of a device into
the USB Series "A" receptacle on the external peripheral interface. See
Figure 4-19.Step 0:
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NANO-HM551 EPIC SBC
Figure 4-19: USB Connector
4.8.4 VGA Monitor Connection
The NANO-HM551 has a single female DB-15 connector on the external peripheral
interface panel. The DB-15 connector is connected to a CRT or VGA monitor. To connect
a monitor to the NANO-HM551, please follow the instructions below.
Step 1: Locate the female DB-15 connector. The location of the female DB-15
connector is shown in Chapter 3.
Step 2: Align the VGA connector. Align the male DB-15 connector on the VGA screen
cable with the female DB-15 connector on the external peripheral interface.
Step 3: Insert the VGA connector. Once the connectors are properly aligned with the
insert the male connector from the VGA screen into the female connector on the
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NANO-HM551. See Figure 4-20.
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NANO-HM551 EPIC SBC
Figure 4-20: VGA Connector
Step 4: Secure the connector. Secure the DB-15 VGA connector from the VGA
monitor to the external interface by tightening the two retention screws on either
side of the connector.Step 0:
4.9 Software Installation
All the drivers for the NANO-HM551 are on the CD that came with the system. To install
the drivers, please follow the steps below.
Step 1: Insert the CD into a CD drive connected to the system.
NOTE:
If the installation program doesn't start automatically:
Click "Start->My Computer->CD Drive->autorun.exe"
Step 2: The driver main menu appears (Figure 4-21).
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Figure 4-21: Introduction Screen
Step 3: Click NANO-HM551.
NANO-HM551 EPIC SBC
Step 4: A new screen with a list of available drivers appears (Figure 4-22).
Figure 4-22: Available Drivers
Step 5: Install all of the necessary drivers in this menu. Step 0:
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Chapter
5
5 BIOS Screens
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5.1 Introduction
The BIOS is programmed onto the BIOS chip. The BIOS setup program allows changes to
certain system settings. This chapter outlines the options that can be changed.
5.1.1 Starting Setup
The AMI BIOS is activated when the computer is turned on. The setup program can be
activated in one of two ways.
NANO-HM551 EPIC SBC
1. Press the D
2. Press the D
appears on the screen. 0.
If the message disappears before the D
again.
ELETE key as soon as the system is turned on or
ELETE key when the “Press Del to enter SETUP” message
ELETE key is pressed, restart the computer and try
5.1.2 Using Setup
Use the arrow keys to highlight items, press ENTER to select, use the PageUp and
PageDown keys to change entries, press F1 for help and press E
keys are shown in.
Key Function
Up arrow Move to previous item
Down arrow Move to next item
Left arrow Move to the item on the left hand side
SC to quit. Navigation
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Right arrow Move to the item on the right hand side
Esc key Main Menu – Quit and not save changes into CMOS
Status Page Setup Menu and Option Page Setup Menu -Exit current page and return to Main Menu
F1 key General help, only for Status Page Setup Menu and Option
When F1 is pressed a small help window describing the appropriate keys to use and the
possible selections for the highlighted item appears. To exit the Help Window press E
the F1 key again.
5.1.4 Unable to Reboot After Configuration Changes
If the computer cannot boot after changes to the system configuration is made, CMOS
defaults. Use the jumper described in Chapter 5.
5.1.5 BIOS Menu Bar
The menu bar on top of the BIOS screen has the following main items:
Main – Changes the basic system configuration.
Advanced – Changes the advanced system settings.
Chipset – Changes the chipset settings.
Boot – Changes the system boot configuration.
Security – Sets User and Supervisor Passwords.
Save & Exit – Selects exit options and loads default settings
SC or
The following sections completely describe the configuration options found in the menu
items at the top of the BIOS screen and listed above.
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NANO-HM551 EPIC SBC
5.2 Main
The Main BIOS menu (BIOS Menu 1) appears when the BIOS Setup program is entered.
The Main menu gives an overview of the basic system information.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Main Advanced Chipset Boot SecuritySave & Exit
BIOS Information
BIOS Vendor American Megatrends
Core Version 4.6.3.7 0.18
Project Version SA23AT00.ROM
Build Date 06/15/2010 16:23:19
Memory Information
Total Memory 2048 MB (DDR3 1066)
System Date [Tue 08/18/2008]
System Time [14:20:27]
Access Level Administrator
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
switch between Time
elements.
----------------------
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized Defaults
F4 Save
ESC Exit
et the Time. Use Tab to
: Select Screen
BIOS Menu 1: Main
BIOS Information
The BIOS Information lists a brief summary of the BIOS. The fields in BIOS Information
cannot be changed. The items shown in the system overview include:
BIOS Vendor: Installed BIOS vendor
Core Version: Current BIOS version
Project Version: the board version
Build Date: Date the current BIOS version was made
Memory Information
The Memory Information lists a brief summary of the on-board memory. The fields in
Memory Information cannot be changed.
Total Memory: Displays the auto-detected system memory size and type.
The System Overview field also has two user configurable fields:
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System Date [xx/xx/xx]
Use the System Date option to set the system date. Manually enter the day, month and
year.
System Time [xx:xx:xx]
Use the System Time option to set the system time. Manually enter the hours, minutes
and seconds.
5.3 Advanced
Use the Advanced menu (BIOS Menu 2) to configure the CPU and peripheral devices
through the following sub-menus:
WARNING!
Setting the wrong values in the sections below may cause the system
to malfunction. Make sure that the settings made are compatible with
the hardware.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Main Advanced Chipset Boot SecuritySave & Exit
> ACPI Settings
> CPU Configuration
> SATA Configuration
> USB Configuration
> Super IO Configuration
> H/M Monitor
> Serial Port Console Redirection
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
System ACPI Parameters
----------------------
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
: Select Screen
BIOS Menu 2: Advanced
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NANO-HM551 EPIC SBC
5.3.1 ACPI Configuration
The ACPI Configuration menu (BIOS Menu 3) configures the Advanced Configuration
and Power Interface (ACPI) options.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
ACPI Sleep State [S1 (CPU Stop Clo…)]
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
et the ACPI state used
for System suspend
----------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 3: ACPI Configuration
ACPI Sleep State [S1 (CPU Stop Clock)]
Use the ACPI Sleep State option to specify the sleep state the system enters when it is
not being used.
S1 (CPU Stop
Clock)
S3 (Suspend to
RAM)
DEFAULT
The system enters S1(POS) sleep state. The
system appears off. The CPU is stopped; RAM is
refreshed; the system is running in a low power
mode.
The caches are flushed and the CPU is powered
off. Power to the RAM is maintained. The
computer returns slower to a working state, but
more power is saved.
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NANO-HM551 EPIC SBC
5.3.2 CPU Configuration
Use the CPU Configuration menu (BIOS Menu 4) to view detailed CPU specifications
and configure the CPU.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
----------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 4: CPU Configuration
The CPU Configuration menu (BIOS Menu 4) li
Processor Type: Lists the brand name of the CPU being used
EMT64: Indicates if the EM64T is supported by the CPU.
Processor Speed: Lists the CPU processing speed
Processor Stepping: Lists the CPU processing stepping
Microcode Revision: Lists the microcode revision
Processor Cores: Lists the number of the processor core
Intel HT Technology: Indicates if the Intel HT Technology is supported by the
CPU.
sts the following CPU details:
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5.3.3 SATA Configuration
Use the SATA Configuration menu (BIOS Menu 5) to change and/or set the
configuration of the SATA devices installed in the system.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
SATA Configuration
SATA Port0 Not Present
SATA Port1 Not Present
SATA Port2 Not Present
SATA Port3 Not Present
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
(1) IDE Mode. (2) AHCI
Mode. (3) RAID Mode.
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 5: IDEConfiguration
SATA Mode [IDE Mode]
Use the SATA Mode option to configure SATA devices as normal IDE devices.
Disable
IDE Mode DEFAULT
AHCI Mode
RAID Mode
Serial-ATA Controller 0/1 [Enhanced]
Use the Serial-ATA Controller option to configure the Serial-ATA controller mode when
the SATA mode is set to IDE Mode.
Disable
Disables SATA devices.
Configures SATA devices as normal IDE device.
Configures SATA devices as AHCI device.
Configures SATA devices as RAID device.
Disables Serial-ATA controller.
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d
NANO-HM551 EPIC SBC
Enhanced DEFAULT
Compatible
Configures the Serial-ATA controller to be in enhanced
mode. In this mode, IDE channels and SATA channels
are separated. Some legacy OS do not support this
mode.
Configures the Serial-ATA controller to be in compatible
mode. In this mode, a SATA channel will replace one of
the IDE channels.
5.3.4 USB Configuration
Use the USB Configuration menu (BIOS Menu 6) to read USB configuration information
and configure the USB settings.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
USB Configuration
USB Devices:
2 Hubs
All USB Devices [Enabled]
Legacy USB Support [Enabled]
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
Enables Legacy USB
support. AUTO option
isables legacy support
if no USB devices are
connected. DISABLE
option will keep USB
devices available only
for EFI applications.
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 6: USB Configuration
USB Devices
The USB Devices Enabled field lists the USB devices that are enabled on the system
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All USB Devices [Enabled]
Use the All USB Devices option to enable the USB devices.
NANO-HM551 EPIC SBC
Disabled
Enabled DEFAULT
Legacy USB Support [Enabled]
Use the Legacy USB Support BIOS option to enable USB mouse and USB keyboard
support. Normally if this option is not enabled, any attached USB mouse or USB keyboard
does not become available until a USB compatible operating system is fully booted with all
USB drivers loaded. When this option is enabled, any attached USB mouse or USB
keyboard can control the system even when there is no USB driver loaded onto the
system.
Disabled
Enabled DEFAULT
Auto
All USB devices are disabled.
All USB devices are enabled.
Legacy USB support disabled
Legacy USB support enabled
Legacy USB support disabled if no USB devices are
connected
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E
NANO-HM551 EPIC SBC
5.3.5 Super IO Configuration
Use the Super IO Configuration menu (BIOS Menu 7) to set or change the
configurations for the FDD controllers, parallel ports and serial ports.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
Super IO Configuration
Super IO Chip Fintek F81865
> Serial Port 0 Configuration
> Serial Port 1 Configuration
> Serial Port 2 Configuration
> Serial Port 3 Configuration
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
et Parameters of Serial
Port 0 (COMA)
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 7: Super IO Configuration
5.3.5.1 Serial Port n Configuration
Use the Serial Port n Configuration menu (BIOS Menu 8) to configure the serial port n.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
Serial Port 0 Configuration
Serial Port [Enabled]
Device Settings IO=3F8h; IRQ=4
Change Settings [Auto]
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
nable or Disable Serial
Port (COM)
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 8: Serial Port n Configuration Menu
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5.3.5.1.1 Serial Port 0 Configuration
Serial Port [Enabled]
Use the Serial Port option to enable or disable the serial port.
NANO-HM551 EPIC SBC
Disabled
Enabled DEFAULT
Change Settings [Auto]
Use the Change Settings option to change the serial port IO port address and interrupt
address.
Auto DEFAULT
IO=3F8h;
IRQ=4
IO=3F8h;
IRQ=3, 4,
5, 6, 7, 9,
10, 11, 12
Disable the serial port
Enable the serial port
The serial port IO port address and interrupt address
are automatically detected.
Serial Port I/O port address is 3F8h and the interrupt
address is IRQ4
Serial Port I/O port address is 3F8h and the interrupt
address is IRQ3, 4, 5, 6, 7, 9, 10, 11, 12
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IO=2F8h;
IRQ=3, 4,
5, 6, 7, 9,
10, 11, 12
IO=3E8h;
IRQ=3, 4,
5, 6, 7, 9,
10, 11, 12
IO=2E8h;
IRQ=3, 4,
5, 6, 7, 9,
10, 11, 12
Serial Port I/O port address is 2F8h and the interrupt
address is IRQ3, 4, 5, 6, 7, 9, 10, 11, 12
Serial Port I/O port address is 3E8h and the interrupt
address is IRQ3, 4, 5, 6, 7, 9, 10, 11, 12
Serial Port I/O port address is 2E8h and the interrupt
address is IRQ3, 4, 5, 6, 7, 9, 10, 11, 12
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NANO-HM551 EPIC SBC
5.3.5.1.2 Serial Port 1 Configuration
Serial Port [Enabled]
Use the Serial Port option to enable or disable the serial port.
Disabled
Enabled DEFAULT
Change Settings [Auto]
Use the Change Settings option to change the serial port IO port address and interrupt
address.
Auto DEFAULT
IO=2F8h;
IRQ=3
IO=3F8h;
IRQ=3, 4,
5, 6, 7, 9,
10, 11, 12
Disable the serial port
Enable the serial port
The serial port IO port address and interrupt address
are automatically detected.
Serial Port I/O port address is 2F8h and the interrupt
address is IRQ3
Serial Port I/O port address is 3F8h and the interrupt
address is IRQ3, 4, 5, 6, 7, 9, 10, 11, 12
IO=2F8h;
IRQ=3, 4,
5, 6, 7, 9,
10, 11, 12
IO=3E8h;
IRQ=3, 4,
5, 6, 7, 9,
10, 11, 12
IO=2E8h;
IRQ=3, 4,
5, 6, 7, 9,
10, 11, 12
Serial Port I/O port address is 2F8h and the interrupt
address is IRQ3, 4, 5, 6, 7, 9, 10, 11, 12
Serial Port I/O port address is 3E8h and the interrupt
address is IRQ3, 4, 5, 6, 7, 9, 10, 11, 12
Serial Port I/O port address is 2E8h and the interrupt
address is IRQ3, 4, 5, 6, 7, 9, 10, 11, 12
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NANO-HM551 EPIC SBC
5.3.6 H/W Monitor
The H/W Monitor menu (BIOS Menu 9) shows the operating temperature, fan speeds and
system voltages.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
PC Health Status
CPU Temperature :+53 C
SYS Temperature :+29 C
CPU FAN Speed :4702 RPM
SYS FAN Speed :N/A
VCC3V :+3.296 V
V_core :+1.056 V
+5V :+1.056 V
+12V :+1.056 V
+1.5V :+1.512 V
VSB3V :+3.312 V
VBAT :+3.184 V
Smart Fan Mode Configuration [Auto Mode]
Temperature Bound 1 60
Temperature Bound 2 50
Temperature Bound 3 40
Temperature Bound 4 30
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 9: Hardware Health Configuration
Smart Fan Mode Configuration [Auto Mode]
Use the Smart Fan Mode Configuration option to configure the CPU fan.
Auto RPM Mode DEFAULT
Page 78
The fan adjusts its speed using these settings by
RPM:
Temperature Bound 1
Temperature Bound 2
Temperature Bound 3
Temperature Bound 4
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NANO-HM551 EPIC SBC
Manual Mode
NOTE:
Smart fan functions are supported only when using a 4-pin fan. When
using a 3-pin fan, the functions are not supported.
First Boundary Temperature [60]
WARNING:
CPU failure can result if this value is set too high
The fan spins at the speed set in:
Manual Duty Cycle Setting
(Min=0, Max=100)
When the fan is off, it will only start when the temperature exceeds this setting.
Minimum Value: 0°C
Maximum Value: 127°C
Second Boundary Temperature [50]
WARNING:
CPU failure can result if this value is set too high
When the fan is off, it will only start when the temperature exceeds this setting.
Minimum Value: 0°C
Maximum Value: 127°C
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Third Boundary Temperature [40]
WARNING:
CPU failure can result if this value is set too high
When the fan is off, it will only start when the temperature exceeds this setting.
Minimum Value: 0°C
Maximum Value: 127°C
Fourth Boundary Temperature [30]
WARNING:
NANO-HM551 EPIC SBC
CPU failure can result if this value is set too high
When the fan is off, it will only start when the temperature exceeds this setting.
Minimum Value: 0°C
Maximum Value: 127°C
PC Health Status
The following system parameters and values are shown. The system parameters that are
monitored are:
System Temperatures:
o CPU Temperature
o System Temperature
Fan Speeds:
o CPU Fan Speed
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o System Fan Speed
Voltages:
o VCC3V
o V_core
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T
t
t
NANO-HM551 EPIC SBC
o +5V
o +12 V
o +1.5V
o VSB3V
o VBAT
5.3.7 Serial Port Console Redirection
The Serial Port Console Redirection menu (BIOS Menu 10) allows the console
redirection options to be configured. Console redirection allows users to maintain a
system remotely by re-directing keyboard input and text output through the serial port.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
COM0
Console Redirection [Enabled]
> Console Redirection Settings
COM1
Console Redirection [Disabled]
> Console Redirection Settings
COM2
Console Redirection [Disabled]
> Console Redirection Settings
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
he settings specify how
he host computer and the
remote computer (which
he user is using) will
exchange data. Both
computers should have
the same or compatible
settings.
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 10: Serial Port Console Redirection
Console Redirection
Use Console Redirection option to enable or disable the console redirection fun ction.
Disabled
Enabled
Disabled the console redirection function
Enabled the console redirection function
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V
U
NANO-HM551 EPIC SBC
5.3.7.1 Console Redirection Settings
The Console Redirection Settings menu (BIOS Menu 11) allows the console redirection
options to be configured. The option is active when Console Redirection option is enabled.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
COM0
Console Redirection Settings
Terminal Type [VT-UTF8]
Bits per second [115200]
Data Bits 8
Parity None
Stop Bits 1
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
Emulation: ANSI:
xtended ASCII char set.
VT100: ASCII char set.
T100+: Extends VT100 to
support color, function
keys, etc. VT-UTF8: Uses
UTF8 encoding to map
nicode chars onto 1 or
more bytes.
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 11: Console Redirection Settings
Terminal Type [ANSI]
Use the Terminal Type option to specify the remote terminal type..
VT100
VT100+
VT-UTF8
ANSI DEFAULT
Bits per second [115200]
Use the Bits per second option to specify the transmission speed of the serial port.
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The target terminal type is VT100
The target terminal type is VT100+
The target terminal type is VT-UTF8
The target terminal type is ANSI
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NANO-HM551 EPIC SBC
9600
19200
57600
115200 DEFAULT
The transmission speed is 9600
The transmission speed is 19200
The transmission speed is 57600
The transmission speed is 115200
5.4 Chipset
Use the Chipset menu (BIOS Menu 12) to access the Northbridge and Southbridge
configuration menus
WARNING!
Setting the wrong values for the Chipset BIOS selections in the Chipset
BIOS menu may cause the system to malfunction.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Main Advanced Chipset Boot SecuritySave & Exit
> North Bridge
> South Bridge
> Intel IDG SWSCI OpRegion
North Bridge Parameters
---------------------
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
: Select Screen
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
BIOS Menu 12: Chipset
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c
5.4.1 Northbridge Configuration
Use the Northbridge Chipset Configuration menu (BIOS Menu 13) to configure the
Northbridge chipset.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
CAS# Latency(tCL) 8
RAS# Active Time(tRAS) 20
Row Precharge Time(tRP) 8
RAS# to CAS# Delay(tRCD) 8
Write Recovery Time(tWR) 8
Row Refresh Cycle Timea(tRFC) 60
Write to Read Delay(tWTR) 4
Active to Active Delay 4
Read CAS# Precharge(tRTP) 5
IGD Memory [32M]
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
NANO-HM551 EPIC SBC
Select which graphics
ontroller to use as the
primary boot device.
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 13:Northbridge Chipset Configuration
Initiate Graphics Adapter [PEG/IGD]
Use the Initiate Graphics Adapter option to select the graphics controller used as the
primary boot device. Select either an integrated graphics controller (IGD) or a combination
of PCI graphics controller, a PCI express (PEG) controller or an IGD. Configuration
options are listed below:
IGD
PEG/IGD
IGD Memory [32 MB]
Use the IGD Memory option to specify the amount of system memory that can be used by
the Internal graphics device.
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DEFAULT
Page 99
NANO-HM551 EPIC SBC
Disable
32 MB DEFAULT
64 MB
32 MB of memory used by internal graphics device
64 MB of memory used by internal graphics device
5.4.2 Southbridge Configuration
Use the Southbridge Configuration menu (BIOS Menu 14) to configure the Southbridge
chipset.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Chipset
Auto Power Button Function [Disabled]
Restore AC Power Loss [Last State]
Audio Configuration
Azalia HD Audio [Enabled]
Set Spread Spectrum function [Disabled]
Version 2.00.1201. Copyright (C) 2009 American Megatrends, Inc.
Restore AC Power Loss
help.
---------------------
: Select Screen
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
BIOS Menu 14:Southbridge Chipset Configuration
Auto Power Button Function [Disabled]
Use the
Restore AC Power Loss [Power Off]
Use the Restore on AC Power Loss BIOS option to specify what state the system
returns to if there is a sudden loss of power to the system.
Power Off
Power On DEFAULT
The system remains turned off
The system turns on
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NANO-HM551 EPIC SBC
Last State
Azalia HD Audio [Enabled]
Use the Azalia HD Audio option to enable or disable the High Definition Audio controller.
Disabled
Enabled DEFAULT
Set Spread Spectrum function [Disabled]
Use the Set Spread Spectrum function option to reduce the EMI. Excess EMI is
generated when the system clock generator pulses have extreme values. Spreading the
pulse spectrum modulates changes in the extreme values from spikes to flat curves, thus
reducing the EMI. This benefit may in some cases be outweighed by problems with
The system returns to its previous state. If it was on, it
turns itself on. If it was off, it remains off.
The onboard High Definition Audio controller is disabled
The onboard High Definition Audio controller
automatically detected and enabled
timing-critical devices, such as a clock-sensitive SCSI device.
Disabled DEFAULT
Enabled
EMI not reduced
EMI reduced
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