Maxtang BW-35 Manuale utente

BW-35 Disk Size SBC Motherboard

copied, stored in a retrieval system, translated into any language, or transmitted in any form or by any means,

electronic, mechanical, photocopying, or otherwise, without the prior written consent of Shenzhen Maxtang

Computer Co., Ltd (hereinafter referred to as “Maxtang”).

Disclaimer

Maxtang reserves the right to make changes and improvements to the products described in this document without

prior notice. Every effort has been made to ensure the information in the document is correct; however, Maxtang

does not guarantee this document is error-free.

Maxtang assumes no liability for incidental or consequential damages arising from misapplication or inability to use

the product or the information contained herein, nor for any infringements of rights of third parties, which may result

from its use.

Trademarks

All the trademarks, registrations, and brands mentioned herein are used for identification purposes only and may be

trademarks and/or registered trademarks of their respective owners.

Shenzhen Maxtang Computer Co., Ltd

BW35 Motherboard

User Manual

(Version 1.0)

Version:

NO.

Description

Issue Date:

V1.0

Initial version (EN)

2020/07/24

Updated the USB ports to three USB3.0 and one USB2.0

2020/09/15

Updated to support 12V/19V DC-in power supply

2021/10/28

                                                                            Shenzhen Maxtang Computer Co., Ltd 

 
 
Contents 
Chapter 1 Product Introduction.......................................................... 3
1 Brief Introduction............................................................................................................3
2 Parameters......................................................................................................................3
3 Connector Diagram .........................................................................................................4
Chapter 2 Hardware............................................................................5
1 Jumper Setting ................................................................................................................5
2 Memory Slots..................................................................................................................5
3 Display Interfaces............................................................................................................5
4 Expansion (screen printing: M.2_E) ................................................................................7
5 Storage (screen printing: MSATA, SATA, PWSATA) ..........................................................7
6 USB Interface...................................................................................................................7
7 LAN..................................................................................................................................8
8 COM ................................................................................................................................8
9 Audio Interface................................................................................................................9
10 Power Supply (screen printing: PWR1, PWR2) .............................................................9
11 GPIO (screen printing: GPIO) ........................................................................................9
12 LPC...............................................................................................................................10 
13 Switch Button/Indicator Pin (screen printing: JPOWER).............................................10 
14 CPU FAN Socket (screen printing: CPU_FAN)..............................................................10 
15 Hardware Auto Start (Screen Printing: JAT) .................................................................11 
16 CMOS Clearance/Retention (screen printing: JCMOS) ...............................................11 
 
 

Shenzhen Maxtang Computer Co., Ltd

Chapter 1 Product Introduction

1.1 Brief Introduction

The BW35 motherboard is a 3.5" SBC (Single Board Computer) based on the Intel Haswell-U/Broadwell-U

platform, small formed, low power consumption, and high performance.

1.2 Parameters

Haswell-U:

⚫Intel Core i5-4200U — Dual Core Four Threads, Base Frequency 1.60GHz, Turbo Frequency 2.60GHz, TDP 15W,

Supports Enhanced Intel SpeedStep® Technology.

Broadwell-U:

⚫Intel Core i5-5200U — Dual Core Four Threads, Base Frequency 2.20GHz, Turbo Frequency 2.70GHz, TDP 15W

Supports Enhanced Intel SpeedStep® Technology.

⚫Intel Core i3-5005U — Dual Core Four Threads, Base Frequency 2.00GHz, TDP 15W, Supports Enhanced Intel

SpeedStep® Technology.

Memory: Single Channel SO-DIMM DDR3L, up to 8GB

GPU: Integrated Graphics based on CPU, Display via 1x HDMI,1x DP, 1xLVDS (eDP optional)

Storage: 1x mSATA3.0 interface (3G/4G Module optional), 1x SATA3.0

USB: 3xUSB3.2 Gen1, 3xUSB2.0(2*headers)

Ethernet: 2xGigabyte Intel Network Controllers

Audio: High-definition audio chip, supports Speaker-out, Mic-in, and power amplifier functions

Other I/O: 1xM.2 Key E (Type 2230, for Wi-Fi card and Bluetooth),1 set of LPC, 1 set of GPIO, 4xRS232, 2xRS485

Dimension: 146mm x 102mm (3.5")

Power: 12V/19V DC-in

Working Temperature: -20℃~60℃

Shenzhen Maxtang Computer Co., Ltd

1.3 Connector Diagram

DC_IN

USB3.0

USB2.0

USB3.0

LAN2

LAN1

HDMI+DP

AUDIO

JAU

COM14

JPOWE

COM5_6

GPIO

USB2.0

EDP/LVD

M.2_E

MSATA/3G/4G

SO-DIMM

L_VCC/ADJ

L_BKL

CPUFA

JAT

EDP_E

SAT

PWSAT

CLK_CMOS

CPU

SIM

Shenzhen Maxtang Computer Co., Ltd

Chapter 2 Hardware

2.1 Jumper Setting

Please configure the jumpers according to your requirements before installing the hardware.

How to identify the first header of jumpers and pins: Observe the mark beside the jumper or pins and

find the header marked by “1” or bold line or triangular symbol. Or observe the rear panel and the header

with a square solder pad is the first header.

2.2 Memory Slots

1 x SO-DIMM DDR3L-1600MHz slot, maximum capacity 8GB.

2.3 Display Interfaces

The board features Integrated graphics, supports 1xHDMI1.4, 1xDP, 1x 24bit Dual Channel LVDs, and dual

independent display. The LVDs can be set as 2 lanes eDP, when it is configured as eDP the LVDs function will

be disabled.

2.3.1 LVDS (Screen printing: EDP/LVDS, L_BKL, L_VCC/ADJ, EDP_EN)

When it is configured as an LVDS function, the "EDP/LVDS" transmits LVDS signals. The "EDP_EN " is LVDS’

switch control jumper and the “L_VCC/ADJ” is for display working voltage and backlight adjustment. The LVDS'

display working voltage can be adjusted between 5V and 3V.

LVDS Data Pin (Screen printing: EDP/LVDS)

Signal

VCC

GND

A_DATA0_DN

A_DATA0_DP

A_DATA1_DN

A_DATA1_DP

A_DATA2_DN

A_DATA2_DP

GND

A_CLK_DN

A_CLK_DP

A_DATA3_DN

A_DATA3_DP

B_DATA0_DN

B_DATA0_DP

B_DATA1_DN

B_DATA1_DP

B_DATA2_DN

B_DATA2_DP

GND

B_CLK_DN

B_CLK_DP

B_DATA3_DN

B_DATA3_DP

EDP_EN (Screen printing: EDP_EN)

Setting

EDP_EN

Open

Turn off LVDS function

Shenzhen Maxtang Computer Co., Ltd

Turn on LVDS function

LVDS Backlight Adjustment Pin (Screen printing: L_BKL)

Signal

GND

LCD_BKL_ADJ

LCD_BKL_ON

12V

LVDS working voltage and backlight control pin (Screen printing: L_VCC/ADJ)

Setting

Function

1-3

VCC(+3.3V)

3-5

VCC(+5V)

2-4

Backlight Control Standard

4-6

Backlight Control Reverse

Note: Please do not short-circuit pins two or more different voltages at the same time.

2.3.2 eDP (Optional)

When it is set as eDP functions, the “EDP/LVDS” pin transmits the eDP signal. The "EDP_EN " is EDP’s

switch control jumper and the “L_VCC/ADJ” is for display working voltage and backlight adjustment. The

display working voltage can be adjusted between 5V and 3V.

eDP Data Pin (Screen Printing: EDP/LVDS)

Signal

VCC

EDP_HPD

GND

EDP_AUXN

EDP_AUXP

N/A

EDP_DATA0_P

EDP_DATA0_N

GND

N/A

EDP_DATA1_P

EDP_DATA1_N

N/A

GND

N/A

EDP_EN (Screen printing: EDP_EN)

Setting

EDP_EN

Shenzhen Maxtang Computer Co., Ltd

Open

Turn off eDP function

Turn on eDP function

eDP Backlight Adjustment Pin (Screen printing: L_BKL)

Signal

GND

LCD_BKL_ADJ

LCD_BKL_ON

12V

eDP working voltage and backlight control pin (Screen printing: L_VCC/ADJ)

Setting

Function

1-3

VCC(+3.3V)

3-5

VCC(+5V)

2-4

Backlight Control Standard

4-6

Backlight Control Reverse

2.4 Expansion (screen printing: M.2_E)

Screen printing M.2_E: M.2 slots Key E, Supports 2230 WIFI Card with Bluetooth functions.

2.5 Storage (screen printing: MSATA, SATA, PWSATA)

Support 1x mSATA interface with Micro SIM, support 3G/4G module as an optional choice. 1x Standard

SATA3.0 interface. The “PWSATA” is the disk power supply interface of SATA (only applies to a 2.5-inch hard

drive).

PWSATA (Screen Printing: PWSATA)

Signal

GND

2.6 USB Interface

3x standard USB3.0 rear ports, 1x standard USB2.0 rear port. (Screen printing: USB31, the top USB is

USB2.0 and bottom one is USB3.0). 2x USB2.0 header (2.0mm pitch pins).

USB2.0 Pin (screen printing: USB20)

Signal

VCC 5V

USB DATA -

USB DATA-

USB DATA+

Shenzhen Maxtang Computer Co., Ltd

GND

(N/A)

2.7 LAN

The board provides two RJ45 high-performance Intel i211 Gigabit Ethernet controllers, supports Magic

packet wake-up. The LAN1 (i211) also supports PXE network boot.

LED Status Indicators:

LI_LED Status (Green)

Function

ACT_LED Status (Orange)

Function

Always on

Network Connected

Blink

Data transfer

2.8 COM

The board provides 4x RS232 and 2xRS485 on-board COM header (2.0mm spacing). The RS232 serial

ports are electrified, their voltage is the same as the input voltage of the board.

RS232 (screen printing: COM14)

Signal

DCD#

RXD

TXD

DTR#

GND

DSR#

RTS#

CTS#

RI#

VCC(same as the input voltage of the board)

DCD#

RXD

TXD

DTR#

GND

DSR#

RTS#

CTS#

RI#

VCC (same as the input voltage of the board)

DCD#

RXD

TXD

DTR#

GND

DSR#

RTS#

CTS#

RI#

VCC (same as the input voltage of the board)

DCD#

RXD

TXD

DTR#

GND

DSR#

RTS#

CTS#

RI#

VCC (same as the input voltage of the board)

RS485 (screen printing: COM5_6)

Signal

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