Maxtang APL-35 User manual

APL-35 Disk Size SBC Motherboard

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Computer Co., Ltd (hereinafter referred to as “Maxtang”).
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does not guarantee this document is error-free.
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the product or the information contained herein, nor for any infringements of rights of third parties, which may result
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APL35 Motherboard
User Manual
(Version 1.5)
Version:
NO.
Description
Issue Date:
V1.0
Initial Version
2018/03/06
V1.1
1. Updated the list of supported CPUs.
2. Updated the RAM info.
2018/08/20
V1.5
3. Updated the power to 12V/19V DC-in
2021/10/28

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Contents
Chapter 1 Product Introduction....................................................................................................................3
1.1 Brief Introduction ...............................................................................................................................3
1.2 Parameters..........................................................................................................................................3
1.3 Connector Diagram.............................................................................................................................4
Chapter 2 Hardware......................................................................................5
2.1 Jumper Setting ....................................................................................................................................5
2.2 Memory...............................................................................................................................................5
2.3 Display Interfaces................................................................................................................................5
2.4 Storage (Screen Printing: M.2_S, SATA1, PWSATA)............................................................................5
2.5 USB Interface ......................................................................................................................................6
2.6 LAN......................................................................................................................................................6
2.8 Audio Interface ...................................................................................................................................6
2.9 COM (Screen Printing: COM14, COM5_6)..........................................................................................7
2.10 Board Power Supply (Screen Printing: PWR1, PWR2) ......................................................................7
2.11 GPIO (Screen Printing: GPIO) ............................................................................................................8
2.12 LPC (optional)....................................................................................................................................8
2.13 Switch Button/ Indicator Pin (Screen Printing: JPOWER) .................................................................8
2.14 CPU FAN Socket (Screen Printing: CPU_FAN)...................................................................................8
2.15 CMOS Clearance/Retention (Screen Printing: JCMOS).....................................................................9

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Chapter 1 Product Introduction
1.1 Brief Introduction
The APL-35 motherboard is a 3.5" SBC (Single Board Computer) based on the Intel Apollo Lake platform,
features small form factor, low power consumption and high performance.
1.2 Parameters
Apollo Lake SoC:
⚫Celeron N3350, dual-core, 1.1GHz - 2.4GHz, TDP 6W, supports EIST
⚫Celeron N3450, quad-core, 1.1GHz - 2.2GHz, TDP 6W, supports EIST
⚫Pentium N4200, quad-core, 1.1GHz - 2.5GHz, TDP 6W, supports EIST
⚫Pentium J4205, quad-core, 1.5GHz – 2.6GHz, TDP 10W, supports EIST
⚫Celeron J3355, dual-core, 2.0GHz – 2.5GHz, TDP 10W, supports EIST
⚫Celeron J3455, quad-core, 1.5GHz – 2.3GHz, TDP 10W, supports EIST
Memory: Single Channel SO-DIMM DDR3L 1333 up to 8GB.
GPU: Integrated Graphics based on CPU, Display via 1x HDMI (1.4), 1x standard DP (1.2), 1x eDP (1.3) and eDP/LVDs
optional.
Storage: 1x SATA3.0, 1xM.2 Key_B for 2242 SSD (SATA definition, supports NGFF 3G/4G module with Micro SIM
Slot), eMMC optional.
USB: 4x USB3.0 standard ports, 4x USB2.0 pin onboard 2.0mm.
Ethernet: Two Gigabyte Intel Network Controllers
Audio: ALC662 High-Definition Audio Codecs, 2in1 Audio Jack: Mic-in + Line-out, supports power amplifier.
Expansion: 1xM.2 Key_E, supports 2230 Wi-Fi card.
Other I/O: a set of GPIO (Pin onboard 2.0mm), a set of LPC (2.0mm), 4xRS232, 2xRS485, 1x CPU Fan socket.
1x mini-PCIe, Micro SIM, support WIFI/BT/3G/4G module; 4xRS232, 2xRS485
Dimension: 146mm x 102mm
Power: 12V/19V DC-in
Working Temperature: -20℃~60℃

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HDMI + DP
USB3.0
LAN1
DC_IN
AUDIO
JAUD
COM14
eDP
SATA
TOP SIDE
SODIMM
SMBUS
JEP
M.2_E
LPC
JPOWER
M.2_S
GPIO
USB2.0 USB2.0 COM5/6 CPU_FAN
BOTTOM SIDE
Micro SIM CARD
CPU
eMMC
1.3 Connector Diagram

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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
The board has 1x SO-DIMM DDR3L/1333 Slot, maximum capacity 8GB.
2.3 Display Interfaces
Supports 1xHDMI (1.4) standard port, 1xDP (1.2), 1x eDP (1.3) 4 LANES. Screen power voltage default:3.3V, 5V
optional. 1x eDP/LVDS convert module, optional choice, the LVDS is 24bit supports dual channel.
eDP (Screen Printing: EDP)
Pin
Signal
Pin
Signal
1
BL_VCC
16
AUX_N
2
BL_VCC
17
AUX_P
3
BL_VCC
18
GND
4
BL_VCC
19
LANE0P
5
BL_PWM
20
LANE0N
6
BL_EN
21
GND
7
GND
22
LANE1P
8
GND
23
LANE1N
9
GND
24
GND
10
GND
25
LANE2P
11
HPD
26
LANE2N
12
GND
27
GND
13
LCD_VCC
28
LANE3P
14
LCD_VCC
29
LANE3N
15
GND
30
GND
Note: Please ensure the jumper “JEP” is open while using it as eDP functions.
2.4 Storage (Screen Printing: M.2_S, SATA1, PWSATA)
The board has 1xSATA3.0, 1xM.2 Key_B for 2242 SSD (SATA definition), supports NGFF 3G/4G module
with Micro SIM Slot), eMMC optional. It offers one disk power supply (PWSATA). The jumper PWSATA is for
2.5’’ HDD only.
Hard Disk Power Supply (Screen Printing: PWSATA)
Pin
Signal
1
5V

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2
GND
3
GND
4
5V
2.5 USB Interface
The board supports 4x USB3. 0 rear ports and 4x USB2.0(headers onboard, 2.0mm spacing).
The rear USB3.0 ports are powered by 5V Standby voltage, which can wake up the system through the
USB keyboard/mouse on the corresponding interface during shutdown (non-power off), sleep, and other
states; it also can charge external devices (5V/1A).
Internal USB2.0 Pin (Screen Printing: USB20, USB21)
Signal
Pin
Signal
5V
1
2
5V
USB DATA-
3
4
USB DATA-
USB DATA+
5
6
USB DATA+
GND
7
8
GND
N/A
9
10
NUL
2.6 LAN
The board is equipped with two Intel i211 Gigabit Network Controller, RJ45 interface, supports Magic
packet wake-up and PXE network boot.
LED Status Indicators:
LI_LED Status (Orange)
Function
ACT_LED Status (Green)
Function
Always on
Network Connected
Blinking
Data transfer
2.8 Audio Interface
The board features Realtek HD audio codec ALC662 supports a 3.5mm Line-out/MIC two-in-one combo
jack (CTIA American standard), and a built-in dual-channel power amplifier output socket for connecting
passive speakers.
Two-in-one headphone jack:
JAUD (Screen Printing: JAUD)
Pin
Signal
1
L+
2
L-
3
R-
4
R+

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2.9 COM (Screen Printing: COM14, COM5_6)
The board provides 4x RS232 and 2xRS485 onboard serial port headers. The RS232 serial port headers
are electrified; in order to use this function, the board's input voltage (DC-IN) needs to be set at 12V.
RS232 COM (Screen Printing：COM14)
Signal
Pin
Signal
DCD#
1
2
RXD
TXD
3
4
DTR#
GND
5
6
DSR#
RTS#
7
8
CTS#
RI#
9
10
VCC_12V (Requires DC_IN to be 12V)
DCD#
11
12
RXD
TXD
13
14
DTR#
GND
15
16
DSR#
RTS#
17
18
CTS#
RI#
19
20
VCC_12V (Requires DC_IN to be 12V)
DCD#
21
22
RXD
TXD
23
24
DTR#
GND
25
26
DSR#
RTS#
27
28
CTS#
RI#
29
30
VCC_12V (Requires DC_IN to be 12V)
DCD#
31
32
RXD
TXD
33
34
DTR#
GND
35
36
DSR#
RTS#
37
38
CTS#
RI#
39
40
VCC_12V (Requires DC_IN to be 12V)
RS485 (Screen: COM5_6)
Signal
Pin
Signal
COM5_DATA-
1
2
COM6_DATA-
COM5_DATA+
3
4
COM6_DATA+
GND
5
6
GND
2.10 Board Power Supply (Screen Printing: PWR1, PWR2)
The board supports a 12V/19V DC-in power supply.
PWR1:
PWR2 Optional (Screen Printing：PWR2)
Pin
Signal
1
VIN

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2
VIN
3
GND
4
GND
2.11 GPIO (Screen Printing: GPIO)
The board provides a set of 2x5Pin GPIO (2.0mm spacing), 8 lanes of programmable I/O in total.
GPIO (Screen Printing：GPIO)
Signal
Pin
Pin
Signal
SIO_GP70
1
2
3.3V
SIO_GP71
3
4
SIO_GP74
SIO_GP72
5
6
SIO_GP75
SIO_GP73
7
8
SIO_GP76
GND
9
10
SIO_GP77
2.12 LPC (optional)
The board provides 1 x LPC (Low Pin Count Interface, 2.0 mm spacing) to connect peripheral LPC
equipment, optional.
LPC:
Signal
Pin
Signal
L_FRAME_N
1
2
LPC_AD3
LPC_AD2
3
4
LPC_AD1
LPC_AD0
5
6
GND
PLTRST
7
8
CLK_LPC
3.3V
9
10
(NULL)
2.13 Switch Button/ Indicator Pin (Screen Printing: JPOWER)
The board has a set of 2.0mm spacing pins that can be connected to a switch button, a system reset
button, a hard disk read/write indicator, a power-on indicator.
In addition, there is a hard disk read/write indicator (red) and a power-on indicator (blue) on the
rear IO panel of the board.
JPOWER:
Signal
Pin
Signal
HDD_LED+
1
2
PWR_LED+
HDD_LED-
3
4
PWR_LED-
RSTBTN+
5
6
PWR_ON+
RSTBTN-
7
8
PWR_ON-
(NC)
9
10
(NULL)
2.14 CPU FAN Socket (Screen Printing: CPU_FAN)
The board offers a CPU fan socket for cooling, which provides better heat dissipation.