Commell LP-174 User manual

LP-174
Pico-ITX Motherboard
User’s Manual
Edition 1.0
2015/07/21

LP-174 User’s Manual
-1-
Copyright
Copyright 2015, all rights reserved. This document is copyrighted and all rights are reserved.
The information in this document is subject to change without prior notice to make
improvements to the products.
This document contains proprietary information and protected by copyright. No part of this
document may be reproduced, copied, or translated in any form or any means without prior
written permission of the manufacturer.
All trademarks and/or registered trademarks contains in this document are property of their
respective owners. Disclaimer
The company shall not be liable for any incidental or consequential damages resulting from
the performance or use of this product.
The company does not issue a warranty of any kind, express or implied, including without
limitation implied warranties of merchantability or fitness for a particular purpose.
The company has the right to revise the manual or include changes in the specifications of
the product described within it at any time without notice and without obligation to notify any
person of such revision or changes.
Trademark
All trademarks are the property of their respective holders.
Any questions please visit our website at TUhttp://www.commell.com.twUT

LP-174 User’s Manual
-2-
Packing List:
Please check the package content before you starting using the board.
1 x LP-174 Pico-ITX Motherboard
(include Cooler Fan)
1 x SATA & SATA Power Cable
(OALSATA22B-PM15SH15 / 1040512) 1 x PS/2 Keyboard & Mouse cable
(OALPS2/KM / 1040131)
1 xDC Input Power Cable
(OALDC-B / 1040513) 1 x Audio cable
(OALPJ-HDUNB / 1040123)
1 xUSB2.0 Cable
(OALUSBA-3 / 1040173) 1 x Onboard DVI-D cable
(BADPDVI_A & OALDVI-DF13 /
4120008011 & 1040483)
1 x Dual COM Cable
(OALES-BKU2-H14NB / 1040379)

LP-174 User’s Manual
-3-
Index
Chapter 1 <Introduction>...............................................................4
1.1 <Product Overview>.................................................................................4
1.2 <Product Specification> ...........................................................................5
1.3 <Mechanical Drawing>.............................................................................6
1.4 <Block Diagram>......................................................................................7
Chapter 2 <Hardware setup>.........................................................8
2.1 <Connector Location and Reference>.....................................................8
2.1.1 <Internal connectors list> .............................................................9
2.1.2 <External connectors list>............................................................9
2.2 <Jumper Location and Reference>........................................................10
2.2.1 <Jumper list>..............................................................................10
2.2.2 <Clear CMOS and Power on type selection> ............................10
2.3 <Installing the Memory>......................................................................... 11
2.4 <I/O interface>........................................................................................12
2.4.1 <Serial ATA interface>................................................................12
2.4.2 <Ethernet interface>...................................................................12
2.4.3 <Display interface>.....................................................................13
2.4.4 < Serial Port interface>...............................................................15
2.4.5 <USB interface>.........................................................................16
2.4.6 <Audio interface> .......................................................................16
2.4.7 <Expansion slot>........................................................................17
2.4.8 <Front panel switch and indicator> ............................................17
2.4.9 <Other interface>........................................................................18
2.5 <Power supply>......................................................................................19
2.5.1 <Power input> ............................................................................19
2.5.2 <Power output>..........................................................................19
Appendix A <Flash BIOS>...........................................................20
Appendix B <Programmable Watch Dog Timer>.......................21
Contact information.....................................................................22

LP-174 User’s Manual
-4-
Chapter 1 <Introduction>
1.1 <Product Overview>
LV-174 is Pico-ITX Motherboard which supports 5th/4th Generation Intel® Core™ U-series i7,
i5, i3, Celeron Mobile Processor with Wildcat Point PCH-LP, integrated HD Graphics,
DDR3L memory, Realtek High Definition Audio, Intel Gigabit LAN, Serial ATA3 with AHCI
function for a system.
Intel Boardwell-U Processor with Wildcat Poin PCH-LP
The 5th Generation Intel® Core™ U-series processor family is the next generation and
compatible with Haswell-U, multi-core mobile processor built on 14/22 nanometer process
with MCP technology.
The Broadwell-U has a lower TDP 15W and 28W, it provides new HD Graphics (GT2 and
GT3 GPU) support triple display at the same time, maximum supported is up to 16GB of
DDR3L, better performance, flexibility and more enhanced security that is suitable for a
variety of intelligent systems the ideal choice.
All in One multimedia solution
The board provides high performance onboard graphics, 24-bit dual channel LVDS interface,
DisplayPort, DVI-D, and High Definition Audio, to meet the very requirement of the
multimedia application.
Flexible Expansion Interface
The board provides one MiniPCIe slot and support mSATA.

LP-174 User’s Manual
-5-
1.2<ProductSpecification>
System
Processor Intel® Haswell/Broadwell Core™ i7, i5, i3, Celeron U-series Processor
FCBGA1168 with MCP
Chipset Wildcat Point-LP
Memory 1 x DDR3LSO-DIMM 1333/1600 MHz up to 8GB
Support Non-ECC, unbuffered memory only
Watchdog Timer Generates a system reset with internal timer for 1min/s ~ 255min/s
Real Time Clock Chipset integrated RTC with onboard lithium battery
Expansion 1 x MiniPCIe (support mSATA)
Graphics
Chipset Intel® 5th/4th Gen integrated HD Graphics
Display Interface 1 x DVI-D, 1 x DisplayPort, 1 x LVDS
LAN
Chip 1 x Intel® I218-LM Gigabit LAN (Support iAMT10.0)
I/O
SerialATA 1 x SATA3
Audio RealtekALC888 HDAudio
Internal I/O 1 x SATA3, 2 x RS232, 2 x USB2.0, 1 x LVDS, 1 x LCD inverter,
1 x LPC, 1 x SMBUS, 1 xAudio, 1 x DC Out, 1 x PS/2, 1 x DVI-D
Rear I/O 1 x DisplayPort, 2 x USB3.0, 1 x LAN
Mechanical & Environmental
Power Requirement DC 9~24V or 12V (optional)
Size & Thickness 100mm x 72mm (Lx W), 1.6mm
Temperature Operating within 0°C~60°C (32°F~140°F)
Storage within -20°C~80°C (-4°F~176°F)
Relative Humidity 10%~90%, non-condensing

LP-174 User’s Manual
-6-
1.3 <Mechanical Drawing>

LP-174 User’s Manual
-7-
1.4<BlockDiagram>
CPU
5th/4th
Gen Processor
PCH-LP
DDR3L
SO-DIMM
1 x DisplayPort
1 x DVI-D
PTN3460
1 x LVDS
SIO
NCT6102D
DDI
Channel A
eDP
DDI
1 x SATA3 SATA3
2 x USB3.0
2 x USB2.0
USB3.0
USB2.0
SPI Flash
SPI
PCIe x1 I218-LM
HDA
HD Audio
PCIe x1
SATA3
LPC
1 x LPC
ALC888
2 x RS232
1 x SMBUS
MiniPCIe
/ mSATA
1 x PS/2
SMBus

LP-174 User’s Manual
-8-
Chapter 2 <Hardware setup>
2.1 <Connector Location and Reference>
CN_LVDS
MINI_CARD
CN_LPC
CN_AUDIO
DC_IN
CN_DVI
CN_USB
CN_PS2
JFRNT
DisplayPort USB LAN
CN_SATA
CN_COM1/2
CN_INV
DC_OUT
SYSFAN
CPUFAN
CN_SMBUS
SO-DIMM

LP-174 User’s Manual
-9-
2.1.1 <Internal connectors list>
Connector Function
SO-DIMM 204-pin DDR3 SO-DIMM slot
CN_SATA 10-pin SerialATA3 connector
CN_AUDIO 5 x 2-pin audio pin header
CN_LPC 6 x 2-pin LPC pin header
CN_LVDS 20 x 2-pin LVDS connector
CN_INV 5-pin LCD inverter connector
CN_SMBUS 5-pin SMBus connector
CN_COM1/2 20-pin RS232 connector
CN_USB 5 x 2-pin USB2.0 pin header
CN_DVI 10 x 2-pin DVI connector
CN_PS2 5 x 2-pin PS/2 pin header
CPUFAN 3-pin CPU fan connector
SYSFAN 3-pin system fan connector
JFRNT 5 x 2-pin front panel switch/indicator pin header
MINI_CARD 52-pin MiniPCIe card slot
DC_OUT 6-pin SATA Power connector
DC_IN 2-pin power input Terminal Block
2.1.2 <External connectors list>
Connector Function
DisplayPort DisplayPort connector
USB 2 x USB3.0 connector
LAN RJ45 connector

LP-174 User’s Manual
-10-
2.2 <Jumper Location and Reference>
2.2.1 <Jumper list>
Jumper Function
JAT Power mode select
JRTC CMOS Normal/Clear Setting
JVLCD Panel Voltage Setting
JMSATA MiniCard mSATA Setting
2.2.2 <Clear CMOS and Power on type selection>
JRTC: Clear CMOS data jumper
Jumper settings Function
1-2 Clear CMOS
2-3 Normal (Default)
JAT: AT/ATX mode select jumper
Jumper settings Function
1-2 AT mode
2-3 ATX mode (Default)
JRTCJVLCD
JMSATA
JAT

LP-174 User’s Manual
-11-
2.3 <Installing the Memory>
In the process, the board must be powered off.
1. Put the memory tilt into the slot. Note the Memory notch key aligned slot key.
2. Then press down till lock into the mounting notch.
3. To remove the memory, push outward on both sides of the latch.
Key
Mounting notch
Press down
Latch

LP-174 User’s Manual
-12-
2.4 <I/O interface>
2.4.1 <Serial ATA interface>
CN_SATA: SATA3 10-pin connector
2.4.2 <Ethernet interface>
The board provide I218-LM Gigabit Ethernet which supports WOL on rear I/O.
It supports Intel® AMT 10.0 feature.
(Note that the CPU must support vPro technology, ex: i7-5650U)
Pin Signal
1 GND
2 TX+
3 TX-
4 GND
5 NC
6 NC
7 GND
8 RX-
9 RX+
10 GND
I218-LM
CN_SATA
110

LP-174 User’s Manual
-13-
2.4.3 <Display interface>
Based on the 5th/4th Gen CPU with built-in HD Graphics, the DisplayPort up to
3840x2160 @ 60Hz on rear I/O.
About the internal Display, the DVI-D resolution up to 1920x1200 @ 60Hz and
LVDS (PTN3460) up to 1920x1200 @ 60Hz support 24-bit color depth and dual
channel.
The built-in HD Graphics support triple display function with clone mode and
extended mode.
CN_DVI
DisplayPort
CN_LVDS
1
40
JVLCD
1
CN_INV
2
39
5
21
20 19
1
3

LP-174 User’s Manual
-14-
CN_DVI: DVI 20-pin connector
Pin Signal Pin Signal
1 5V 2 NC
3 HPD 4 GND
5 TMDS_TX0- 6 TMDS_TX0+
7 GND 8 TMDS_TX1-
9 TMDS_TX1+ 10 GND
11 TMDS_TX2- 12 TMDS_TX2+
13 GND 14 TMDS_CLK-
15 TMDS_CLK+ 16 GND
17 SDA 18 SCL
19 NC 20 NC
CN_LVDS: LVDS 40-pin connector (Model: HIROSE DF13-40DP-1.25V compatible)
Pin Signal Pin Signal
2 Set by JVLCD 1 Set by JVLCD
4 Detect (Active low) 3 GND
6 A_LVDS_0- 5 B_LVDS_0-
8 A_LVDS_0+ 7 B_LVDS_0+
10 GND 9 GND
12 A_LVDS_1- 11 B_LVDS_1-
14 A_LVDS_1+ 13 B_LVDS_1+
16 GND 15 GND
18 A_LVDS_2- 17 B_LVDS_2-
20 A_LVDS_2+ 19 B_LVDS_2+
22 GND 21 GND
24 A_LVDS_CLK- 23 B_LVDS_3-
26 A_LVDS_CLK+ 25 B_LVDS_3+
28 GND 27 GND
30 A_LVDS_3- 29 B_LVDS_CLK-
32 A_LVDS_3+ 31 B_LVDS_CLK+
34 GND 33 GND
36 LVDS_DDCSCL 35 NC
38 LVDS_DDCSDA 37 NC
40 NC 39 NC

LP-174 User’s Manual
-15-
CN_INV: LVDS 5-pin Backlight power connector
Pin Signal
1 12V
2 Backlight Control
3 5V
4 GND
5 Enable Backlight
JVLCD: LVDS panel power select jumper
Jumper settings Function
1-2 3.3V (Default)
2-3 5V
2.4.4 <Serial Port interface>
CN_COM1/2: RS232 20-pin connector
Pin Signal Pin Signal
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND 6 DSR1
7 RTS1 8 CTS1
9 RI1 10 NC
11 DCD2 12 RXD2
13 TXD2 14 DTR2
15 GND 16 DSR2
17 RTS2 18 CTS2
19 RI2 20 Key
CN_COM1/2
1 20

LP-174 User’s Manual
-16-
2.4.5 <USB interface>
CN_USB: Front panel USB2.0 10-pin header (Pitch 2.54mm)
Pin Signal Pin Signal
1 5VSB 2 5VSB
3 DATA0- 4 DATA1-
5 DATA0+ 6 DATA1+
7 GND 8 GND
9 GND 10 Key
2.4.6 <Audio interface>
CN_AUDIO: Front panel audio 10-pin header (Pitch 1.27mm x 2.54mm)
Pin Signal Pin Signal
1 MIC_L 2 GND
3 MIC_R 4 NC
5 FP_OUT_R 6 MIC_DETECT
7 SENSE 8 Key
9 FP_OUT_L 10 FP_OUT_DETECT
CN_AUDIO
1
10
CN_USB
1
10
2
2
9
USB3.0
9

LP-174 User’s Manual
-17-
2.4.7 <Expansion slot>
MINI_CARD have some special design to compatible our MiniPCIe card (ex:
MPX-574D2, MPX-210D2 etc) and support mSATA set by JMSATA
JMSATA: Setting MINI_CARD to support PCIe/mSATA
Jumper settings Function
1-2 Support mSATA
2-3 Normal operation (Default)
2.4.8 <Front panel switch and indicator>
JFRNT: Front panel switch and indicator 14-pin header (Pitch 2.54mm)
Pin Signal Pin Signal
1 Power_ON- 2 Power_ON+
3 Speaker- 4 Speaker+
5 HDD_LED- 6 HDD_LED+
7 Power_LED- 8 Power_LED+
9 Reset+ 10 Reset-
MINI_CARD
JMSATA
JFRNT
10
19
2

LP-174 User’s Manual
-18-
2.4.9 <Other interface>
CN_LPC: LPC 12-pin header (Pitch 2.00mm)
Pin Signal Pin Signal
1 CLK 2 RST
3 -LFRAME 4 LAD3
5 LAD2 6 LAD1
7 LAD0 8 3.3V
9 SERIRQ 10 GND
11 3.3VSB 12 NC
CN_LPC support TPM module.
CN_SMBUS: SMBus 5-pin connector
Pin Signal
1 5V
2 Key
3 SMBDAT
4 SMBCLK
5 GND
CPUFAN: CPU cooler fan 3-pin connector
Pin 1 2 3
Signal GND 12V Sensor
SYSFAN: System cooler fan 3-pin connector
Pin 1 2 3
Signal GND 12V Sensor
CN_LPC
1
12
2
11
CN_SMBUS
15

LP-174 User’s Manual
-19-
2.5 <Power supply>
2.5.1 <Power input>
The DC Board support 9~24V wide voltage input.
If the board doesn’t have DC Board, the power only support 12V input.
DC_IN:Terminal Block 2-pin power connector
Pin Signal Pin Signal
1 GND 2 Power in
2.5.2 <Power output>
DC_OUT: SATApower 6-pin connector
Pin Signal
1 12V
2 12V
3 GND
4 GND
5 5V
6 5V
DC_IN
1
2
DC Board
DC_OUT
1
6