VIA Technologies EPIA-M930 User manual

USER MANUAL
VIA EPIA-M930
Highly-integrated low-power
plaorm with rich feature set
and mulmedia capabilies
1.00-06092022

Copyright
Copyright ©2022 VIA Technologies Incorporated. All rights reserved.
No part of this document may be reproduced, transmied, transcribed, stored in a retrieval system, or translated into any language, in any
form or by any means, electronic, mechanical, magnec, opcal, chemical, manual or otherwise without the prior wrien permission of
VIA Technologies, Incorporated.
Trademarks
All trademarks are the property of their respecve holders.
Disclaimer
No license is granted, implied or otherwise, under any patent or patent rights of VIA Technologies. VIA Technologies makes no warranes,
implied or otherwise, in regard to this document and to the products described in this document. The informaon provided in this
document is believed to be accurate and reliable as of the publicaon date of this document. However, VIA Technologies assumes no
responsibility for the use or misuse of the informaon (including use or connecon of extra device/equipment/add-on card) in this
document and for any patent infringements that may arise from the use of this document. The informaon and product specicaons
within this document are subject to change at any me, without noce and without obligaon to nofy any person of such change.
VIA Technologies, Inc. reserves the right the make changes to the products described in this manual at any me without prior noce.
Regulatory Compliance
FCC-A Radio Frequency Interference Statement
This equipment has been tested and found to comply with the limits for a class A digital device, pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protecon against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instrucon manual, may cause harmful interference to radio communicaons. Operaon of this equipment in a residenal area is likely to
cause harmful interference, in which case the user will be required to correct the interference at his personal expense.
Noce 1
The changes or modicaons not expressly approved by the party responsible for compliance could void the user's authority to operate
the equipment.
Noce 2
Shielded interface cables and A.C. power cord, if any, must be used in order to comply with the emission limits.
Noce 3
The product described in this document is designed for general use, VIA Technologies assumes no responsibility for the conicts or
damages arising from incompability of the product. Check compability issue with your local sales representaves before placing an
order.

VIA EPIA-M930 User Manual
iii
Baery Recycling and Disposal
• Only use the appropriate baery specied for this product.
• Do not re-use, recharge, or reheat an old baery.
• Do not aempt to force open the baery.
• Do not discard used baeries with regular trash.
• Discard used baeries according to local regulaons.
Safety Precauons
• Always read the safety instrucons carefully.
• Keep this User’s Manual for future reference.
• All cauons and warnings on the equipment should be noted.
• Keep this equipment away from humidity.
• Put this equipment on a reliable at surface before seng it up.
• Check the voltage of the power source and adjust to 110/220V before connecng the equipment to
the power inlet.
• Do not place the power cord where people will step on it.
• Always unplug the power cord before inserng any add-on card or module.
• If any of the following situaons arise, get the equipment checked by authorized service personnel:
− The power cord or plug is damaged.
− Liquid has entered into the equipment.
− The equipment has been exposed to moisture.
− The equipment is faulty or you cannot get it work according to User’s Manual.
− The equipment has been dropped and damaged.
− The equipment has an obvious sign of breakage.
• Do not leave this equipment in extreme temperatures or in a storage temperature above 60°C (140°F).
The equipment may be damaged.
• Do not leave this equipment in direct sunlight.
• Never pour any liquid into the opening. Liquid can cause damage or electrical shock.
• Do not place anything over the power cord.
• Do not cover the venlaon holes. The openings on the enclosure protect the equipment from
overheang.

VIA EPIA-M930 User Manual
iv
Box Contents
EPIA-M930 SKU
• 1 x VIA EPIA-M930 board
• 1 x SATA cable
• 1 x SATA power cable
• 1 x I/O bracket
• 1 x M.2 screw pack (2 screws + 1 stando)
Ordering Informaon
Part Number Description
10GPD20G100A0 Mini-ITX board with 1.8GHz Intel Celeron Quad Core processor with HDMI,
2 LVDS, 2 USB 3.0/3.1, 2 USB 2.0, 2 COM, 2 Gigabit Ethernet, PCIe x 1 slot,
SATA, 2 M.2 slots, 12V DC-in
Oponal Accessories
Wireless Modules
Part Number Descripon
EMIO-8530-00A0 Wi-Fi & Bluetooth M.2 module with two antennas and assembly kit
EMIO-8570-00A0 4G LTE mobile broadband M.2 module with antenna and assembly kit
(Worldwide)
EMIO-8570-01A0 4G LTE mobile broadband & GPS M.2 module with two antennas and assembly
kit (Worldwide)

VIA EPIA-M930 User Manual
v
Revision History
Revision Date Descripon
1.00 21/09/2022 Inial release

VIA EPIA-M930 User Manual
vi
Table of Contents
1. Product Overview........................................................................................................................................... 1
1.1 Key Features & Benets........................................................................................................................ 1
1.1.1 Intel Celeron Quad Core Processor................................................................................................ 1
1.1.2 Modular Expansion Opons .......................................................................................................... 1
1.2 Product Specicaons........................................................................................................................... 1
1.3 Layout Diagram ..................................................................................................................................... 3
1.4 Product Dimensions.............................................................................................................................. 5
1.5 Height Distribuon................................................................................................................................ 6
2. I/O Interface ................................................................................................................................................... 7
2.1 External I/O Ports.................................................................................................................................. 7
2.1.1 HDMI® Port.................................................................................................................................... 7
2.1.2 COM Ports...................................................................................................................................... 8
2.1.3 Gigabit Ethernet Ports ................................................................................................................... 9
2.1.4 Audio Jack .................................................................................................................................... 10
2.1.5 USB 3.0 Ports ............................................................................................................................... 10
2.1.6 USB 2.0 Ports ............................................................................................................................... 11
2.1.7 DC-in Jack..................................................................................................................................... 11
2.2 Onboard I/O........................................................................................................................................ 12
2.2.1 ATX Power Connector .................................................................................................................. 12
2.2.2 LVDS Panel Connectors ................................................................................................................ 12
2.2.3 Backlight Control Connectors ...................................................................................................... 13
2.2.4 Digital I/O Pin Header .................................................................................................................. 14
2.2.5 Front Panel Pin Header ................................................................................................................ 15
2.2.6 CPU Fan Connector ...................................................................................................................... 16
2.2.7 SATA Connector............................................................................................................................ 16
2.2.8 USB 2.0 Pin Header...................................................................................................................... 17
2.2.9 COM Pin Headers......................................................................................................................... 18
2.2.10 Front Audio Pin Header ............................................................................................................... 18
2.2.11 SPI Pin Header.............................................................................................................................. 19
2.2.12 CMOS Baery Slot ....................................................................................................................... 20
3. Onboard Jumpers ......................................................................................................................................... 21
3.1 Clear CMOS Jumper ............................................................................................................................ 21
3.2 COM1 and COM2 Voltage Jumper ...................................................................................................... 22
3.3 COM3 and COM4 Voltage Jumper ...................................................................................................... 23
3.4 LVDS1 and LVDS2 Power Jumper......................................................................................................... 24
4. Expansion Slots............................................................................................................................................. 25
4.1 DDR4 Memory Slot ............................................................................................................................. 25
4.1.1 Installing the Memory Module .................................................................................................... 25
4.1.2 Removing a Memory Module ...................................................................................................... 26
4.2 PCI Express Slot................................................................................................................................... 27
4.3 M.2 Slots ............................................................................................................................................. 27

VIA EPIA-M930 User Manual
vii
5. Hardware Installaon ................................................................................................................................... 29
5.1 Installing into a Chassis ....................................................................................................................... 29
5.1.1 Suggested Minimum Chassis Dimensions.................................................................................... 29
5.1.2 Suggested Minimum Chassis Height ............................................................................................ 30
6. BIOS Setup Ulity ......................................................................................................................................... 31
6.1 Entering the BIOS Setup Ulity ........................................................................................................... 31
6.2 Control Keys ........................................................................................................................................ 31
6.3 Navigang the BIOS Menus ................................................................................................................ 31
6.4 Geng Help........................................................................................................................................ 31
6.5 System Overview................................................................................................................................. 32
6.6 Advanced Sengs............................................................................................................................... 33
6.6.1 CPU Conguraon........................................................................................................................ 34
6.6.2 Hardware Health Monitor............................................................................................................ 34
6.6.3 Hardware Monitor ....................................................................................................................... 35
6.6.4 S5 RTC Wake Sengs................................................................................................................... 35
6.6.5 SIO Common Seng.................................................................................................................... 36
6.6.6 SIO Conguraon......................................................................................................................... 36
6.6.7 Panel Type Conguraon ............................................................................................................. 38
6.6.8 Wake-up Conguraon................................................................................................................ 38
6.6.9 Realtek PCIe GBE Family Controller ............................................................................................. 39
6.6.10 User Password Management....................................................................................................... 40
6.7 Chipset Sengs................................................................................................................................... 41
6.7.1 System Agent (SA) Conguraon ................................................................................................. 42
6.7.2 PCH-IO Conguraon................................................................................................................... 43
6.8 Security Sengs.................................................................................................................................. 45
6.9 Boot Sengs....................................................................................................................................... 46
6.10 Save & Exit .......................................................................................................................................... 47
7. Soware and Technical Support................................................................................................................... 49
7.1 Microso and Linux Support............................................................................................................... 49
7.1.1 7.1.1.................................................................................................................................................
Driver Installaon ..................................................................................................................................... 49
7.2 Technical Support and Assistance ....................................................................................................... 49
Appendix A Installing Wireless Accessories ..................................................................................................... 50
A.1 Installing the VIA EMIO-8530 Wi-Fi & Bluetooth M.2 Module Kit ...................................................... 50
A.2 Inserng the SIM Card ........................................................................................................................ 51
A.3 Installing the VIA EMIO-8570 4G LTE & GPS M.2 Module Kit.............................................................. 52
A.4 Installing the M.2 SATA SSD................................................................................................................. 53
Appendix B Power Consumpon Report ......................................................................................................... 54
B.1 VIA EPIA-M930 Rev. 1.......................................................................................................................... 54
B.1.1 IDLE Status ................................................................................................................................... 54
B.1.2 S3 Status ...................................................................................................................................... 54
B.1.3 Funconal Test: Run BurnIn Test V7.1 Pro ................................................................................... 54
Appendix C Mang Connector Vendors List .................................................................................................... 55

VIA EPIA-M930 User Manual
viii
List of Figures
Figure 01: VIA EPIA-M930 board layout (top view) ............................................................................................... 3
Figure 02: Mounng holes and dimensions of the VIA EPIA-M930....................................................................... 5
Figure 03: External I/O port dimensions of the VIA EPIA-M930............................................................................ 5
Figure 04: Height distribuon of the VIA EPIA-M930............................................................................................ 6
Figure 05: Back panel I/O ports ............................................................................................................................. 7
Figure 06: HDMI® port diagram............................................................................................................................. 7
Figure 07: COM port diagram................................................................................................................................ 8
Figure 08: Gigabit Ethernet port diagram.............................................................................................................. 9
Figure 09: Audio jack receptacle stack ................................................................................................................ 10
Figure 10: USB 3.0 port diagram.......................................................................................................................... 10
Figure 11: USB 2.0 port diagram.......................................................................................................................... 11
Figure 12: DC-in jack specicaon diagram......................................................................................................... 11
Figure 13: DC-in jack diagram.............................................................................................................................. 11
Figure 14: ATX power connector diagram ........................................................................................................... 12
Figure 15: LVDS panel connectors diagram ......................................................................................................... 12
Figure 16: Backlight control connectors diagram ................................................................................................ 13
Figure 17: Digital I/O pin header diagram ........................................................................................................... 14
Figure 18: Front panel pin header diagram ......................................................................................................... 15
Figure 19: CPU fan connector diagram................................................................................................................ 16
Figure 20: SATA connector diagram..................................................................................................................... 16
Figure 21: USB 2.0 pin header diagram ............................................................................................................... 17
Figure 22: COM pin headers diagram.................................................................................................................. 18
Figure 23: Front audio pin header....................................................................................................................... 18
Figure 24: SPI pin header diagram....................................................................................................................... 19
Figure 25: CMOS baery slot diagram................................................................................................................. 20
Figure 26: Jumper sengs example .................................................................................................................... 21
Figure 27: Clear CMOS jumper diagram .............................................................................................................. 21
Figure 28: COM1 and COM2 voltage jumper diagram......................................................................................... 22
Figure 29: COM3 and COM4 voltage jumper diagram......................................................................................... 23
Figure 30: LVDS1 and LVDS2 power jumpers diagrams ....................................................................................... 24
Figure 31: DDR4 memory slot diagram ............................................................................................................... 25
Figure 32: Inserng the memory module............................................................................................................ 25
Figure 33: Locking the memory module.............................................................................................................. 26
Figure 34: Disengaging the locking clips.............................................................................................................. 26
Figure 35: Removing the memory module.......................................................................................................... 26
Figure 36: PCI Express slot diagram..................................................................................................................... 27
Figure 37: M.2 slots diagram............................................................................................................................... 27
Figure 38: SIM card slot diagram......................................................................................................................... 28
Figure 39: Suggested minimum chassis dimensions............................................................................................ 29
Figure 40: Suggested minimum internal chassis ceiling height ........................................................................... 30
Figure 41: Illustraon of the Main menu screen ................................................................................................. 32
Figure 42: Illustraon of the Advanced Sengs screen ...................................................................................... 33
Figure 43: Illustraon of the CPU Conguraon screen ...................................................................................... 34
Figure 44: Illustraon of the Hardware Health Monitor screen .......................................................................... 34
Figure 45: Illustraon of the Hardware Monitor screen...................................................................................... 35
Figure 46: Illustraon of the S5 RTC Wake Seng screen ................................................................................... 35
Figure 47: Illustraon of the SIO Common Seng screen................................................................................... 36
Figure 48: Illustraon of the SIO Conguraon screen ....................................................................................... 36
Figure 49: Illustraon of the Serial Port Conguraon screen ............................................................................ 37
Figure 50: Illustraon of the Serial Port Conguraon screen ............................................................................ 38
Figure 51: Illustraon of the Wake-up Conguraon screen............................................................................... 38
Figure 52: Illustraon of the Realtek PCIe GBE Family Controller screen............................................................ 39
Figure 53: Illustraon of the User Password Management screen...................................................................... 40
Figure 54: Illustraon of the Chipset Sengs screen .......................................................................................... 41
Figure 55: Illustraon of the System Agent (SA) Conguraon screen................................................................ 42
Figure 56: Illustraon of the Memory Conguraon screen............................................................................... 42

VIA EPIA-M930 User Manual
ix
Figure 57: Illustraon of the PCH-IO Conguraon screen ................................................................................. 43
Figure 58: Illustraon of the SATA Conguraon screen ..................................................................................... 44
Figure 59: Illustraon of the HD Audio Conguraon screen.............................................................................. 45
Figure 60: Illustraon of the Security Sengs screen ......................................................................................... 45
Figure 61: Illustraon of the Boot Sengs screen .............................................................................................. 46
Figure 62: Illustraon of the Save & Exit screen.................................................................................................. 47
Figure 63: Installing and securing VIA EMIO-8530 module ................................................................................ 50
Figure 64: Installing the antennas and connecng the USB Wi-Fi cables (VIA EMIO-8530 ) ............................... 51
Figure 65: Inserng the SIM card ........................................................................................................................ 51
Figure 66: Installing VIA EMIO-8570 module ..................................................................................................... 52
Figure 67: Installing the antennas and connecng the 4G Main antenna (VIA EMIO-8570 ).............................. 52
Figure 68: Installing the antennas and connecng the GPS antenna (VIA EMIO-8570 ) ..................................... 53
Figure 69: Installing the SATA M.2 SSD module ................................................................................................... 53

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List of Tables
Table 01: Descripon table of the VIA EPIA-M930 board layout ......................................................................... 4
Table 02: Layout diagram descripon table of the back panel I/O ports............................................................. 7
Table 03: HDMI® port pinouts.............................................................................................................................. 8
Table 04: COM port pinouts................................................................................................................................. 8
Table 05: Gigabit Ethernet port pinouts............................................................................................................... 9
Table 06: Gigabit Ethernet port LED color denion ........................................................................................... 9
Table 07: Audio jack receptacle pinouts ............................................................................................................ 10
Table 08: USB 3.0 port pinouts .......................................................................................................................... 10
Table 09: USB 2.0 port pinouts .......................................................................................................................... 11
Table 10: DC-in jack specicaon....................................................................................................................... 11
Table 11: DC-in jack pinouts............................................................................................................................... 11
Table 12: ATX power connector pinouts ............................................................................................................ 12
Table 13: LVDS panel connectors pinouts .......................................................................................................... 13
Table 14: Backlight control connectors pinouts ................................................................................................. 14
Table 15: Digital I/O pin header pinouts ............................................................................................................ 14
Table 16: Front panel pin header pinouts.......................................................................................................... 15
Table 17: CPU fan connector pinouts................................................................................................................. 16
Table 18: SATA connector pinouts...................................................................................................................... 17
Table 19: USB 2.0 pin headers pinouts............................................................................................................... 17
Table 20: COM pin headers pinouts................................................................................................................... 18
Table 21: Front audio pin header pinouts.......................................................................................................... 19
Table 22: SPI pin header pinouts........................................................................................................................ 19
Table 23: CMOS baery slot pinouts.................................................................................................................. 20
Table 24: Clear CMOS jumper sengs............................................................................................................... 22
Table 25: COM1 and COM2 voltage jumper sengs ......................................................................................... 22
Table 26: COM3 and COM4 voltage jumper sengs ......................................................................................... 23
Table 27: LVDS1 and LVDS2 power jumpers sengs.......................................................................................... 24
Table 28: VIA EPIA-M930 mang connector vendors list................................................................................... 55

VIA EPIA-M930 User Manual
1
1. Product Overview
The VIA EPIA-M930 is a high performance nave x86 board designed mainly for embedded, POS, Kiosk, ATM
and digital media applicaon. It can also be used for various domain applicaons such as desktop PC, industrial
PC, etc. The VIA EPIA-M930 is based on the Intel Celeron Quad Core Processor that features the Integrated Intel
Graphics gen 11-Lower Power (Gen 11-LP) for rich digital media performance.
The VIA EPIA-M930 has 1 DDR4 3200 SODIMM slots that support up to 32GB memory size. The VIA EPIA-M930
provides support for high delity audio with its included Realtek ALC888S-VD2-GR High Denion Audio Codec.
In addion it supports 1 SATA and 2 M.2 slots for storage, Wi-Fi, and 4G/5G opons.
The VIA EPIA-M930 is compable with a full range of Mini-ITX chassis as well as FlexATX and MicroATX
enclosures and power supplies. The VIA EPIA-M930 is fully compable with Microso 10/11 and Linux
operang systems.
1.1 Key Features & Benets
1.1.1 Intel Celeron Quad Core Processor
The 1.8GHz Intel Celeron Quad Core Processor is Intel Elkhart Lake Plaorm enhanced for IoT. It is based on
advanced 22 nanometer or newer process technology. The Elkhart Lake processors build with newer levels
of CPU and graphics performance with integrated IoT features, real-me performance, manageability, and
security. Intel UHD Graphics can support up to three independent 4K displays.
VIA EPIA-M930 are ideal for embedded and IoT system applicaons such as industrial PCs, oce automaon,
retail, gaming, healthcare, transportaon, etc.
1.1.2 Modular Expansion Opons
The VIA EPIA-M930 ensures long-term usability with its support for industry standard expansion opons.
Its support for PCIe x1 slot for expansion. And 2 M.2 slots for M.2 SSD/Wi-Fi/4G/5G for rich RF connecvity
opons.
1.2 Product Specicaons
Processor
• Intel Celeron Quad Core Fanless Processor @ 1.8GHz
BIOS
• AMI UEFI BIOS, 256MBite SPI Flash memory
System Memory
• 1 x DDR4 3200 SODIMM slot
• Supports up to 32GB memory
Note:
The real memory size may show less than 32GB due to some capacity are used for BIOS or other funcons.
Storage
• 1 x SATA connector
• 1 x M.2 B key slot

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Graphics
• Integrated Intel Graphics Gen 11-Low Power (GEN 11-LP)
• Supports OpenCL*1.2, OpenGL 4.5, OpenGL-ES 3.2, Vulkan. V1.1, DirectX
LAN
• Realtek-RTL8111H-CG Gigabit Ethernet controller
Audio
• Realtek ALC8888S-VD2-GR High Denion Audio Codec
Super I/O
• Fintek F81964
Expansion I/O
• 1 x PCIe x1 slot
Onboard I/O
• 1 x SATA
• 1 x USB 2.0 pin header for 2 ports
• 2 Dual channel 18/24-bit LVDS panel connectors
• 2 x Backlight control connectors for inverter power and brightness control
• 2 x COM pin headers (powered with selectable 5V/12V)
• 1 x Digital I/O pin headers (4GPI + 4 GPO)
• 1 x Front audio pin header
• 1 x Smart Fan pin headers for CPU and System
• 1 x RTC baery holder w/ baery
• 1 x Clear CMOS jumper header
• 1 x 4-pin 12V DCIN power connector
• 1 x M.2 E key 2230 for Wi-Fi
• 1 x M.2 B key 2242/3052/2280 for storage/LTE (SATA+USB 2.0/3.0)
• 1 x SIM card slot
Back Panel I/O
• 1 x HDMI port
• 2 x COM ports (powered with selectable 5V/12V)
• 2 x Gigabit Ethernet ports
• 2 x USB 3.0/3.1 ports
• 2 x USB 2.0 ports
• 3 x Audio jacks: Line-in, Line-out, and Mic-in
Power Supply
• 12V DC-in
Operang System
• Windows® 10/11
• Linux

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System Monitoring & Management
• Wake-on-LAN, Keyboard Power-on, Timer Power-on, System power management, AC power failure
recovery, Watchdog Timer
Operang Temperature
• 0°C ~ 60°C
Operang Humidity
• 0% ~ 90% (non-condensing)
Form Factor
• Mini-ITX
• 17cm x 17cm (6.7” x 6.7”)
Notes:
As the operang temperature provided in the specicaons is a result of tesng performed in a tesng chamber, a
number of variables can inuence this result. Please note that the working temperature may vary depending on the
actual situaon and environment. It is highly recommended to execute a solid tesng program and take all variables
into consideraon when building the system. Please ensure that the system is stable at the required operang
temperature in terms of applicaon.
1.3 Layout Diagram
1 2
3
4 5 9 10
11
12
14
15
13
16
1821 20
7 8
22
32
30
23
25
27
31
26
29
19
17
6
24
28
Figure 01: VIA EPIA-M930 board layout (top view)

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Item Descripon
1DC +12V Power In Connector
2COM1,2 Voltage Select pin header(COM_S1)
3LVDS2 Panel Back Light Connector (LVDS2_BL1)
4 LVDS2 Panel/Back Light Power Select Pin Header (LVDS2_PWR1)
5 LVDS2 Panel Connector (LVDS2_CON1)
6CMOS Baery Slot (BAT1)
7 SATA Power Connector (SATA_PWR1)
8 SATA HDD Connector (SATA1)
9CPU FAN (FAN1)
10 Front Panel Pin Header (F_PANEL1)
11 DDR4 SODIMM Socket (SO_DIMM1)
12 SMBus Signal Pin Header (I2C1)
13 LVDS1 Panel Connector (LVDS1_CON1)
14 LVDS1 Panel Back Light Connector (LVDS1_BL1)
15 LVDS1 Panel/Back Light Power Select Pin Header (LVDS1_PWR1)
16 SIM Card Socket (SIM1)
17 SPI Flash ROM Pin Header (SPI1)
18 M.2 B-Key 2280 SSD/LTE Slot (M2_B_2280_1)
19 Clear CMOS/RTC Register Pin Header (JRTC_CL1)
20 M.2 E-Key 2230 Wi-Fi/BT Slot (M2_E_2230_1)
21 PCIe 1 Lane Slot (PCIE1)
22 Audio Pin Header (Line-Out & Mic-In) (F_Audio1)
23 Audio Jack (Blue: Line-In, Green: Line-Out, Pink: Mic-In)
24 USB2.0 Pin Header (USBH2_1)
25 Giga LAN & USB2.0 Connector (GLAN2)
26 GPIO Pin Header (DIO1)
27 Giga LAN & USB3.0 Connector (GLAN1)
28 COM3,4 Voltage Select pin header(COMH_S1)
29 COM4 Pin Header (COMH2)
30 COM Port Connector (Up: COM1, Down: COM2)
31 COM3 Pin Header (COMH1)
32 HDMI2 Connector (HDMI2)
Table 01: Descripon table of the VIA EPIA-M930 board layout

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1.4 Product Dimensions
4.9mm
6.2mm
170mm
170mm
10.2mm
6.2mm
4.9mm
33.0mm
6.4mm
6.4mm
132.1mm
154.9mm
157.4mm
Figure 02: Mounng holes and dimensions of the VIA EPIA-M930
29.11mm
0mm
10.09mm
17.19mm
7.31mm
0mm
11.79mm 27.94mm 48.93mm
76.83mm
107.81mm
131.81mm
151.34mm
210.17mm
199.17mm
188.17mm
Figure 03: External I/O port dimensions of the VIA EPIA-M930

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1.5 Height Distribuon
35.5mm
31mm
32mm
16.2mm
7.4mm
31.8mm
33.4mm
100mm
Figure 04: Height distribuon of the VIA EPIA-M930

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2. I/O Interface
The VIA EPIA-M930 has a wide selecon of interfaces, and includes a selecon of frequently used ports as part
of the external I/O coastline.
2.1 External I/O Ports
1 2 4 5
6
7
89
3
Figure 05: Back panel I/O ports
Item Descripon
112V DC-in
2HDMI port
3COM ports
4 Gigabit Ethernet ports
5Line-in
6Line-out
7MIC
8 USB 2.0 ports
9USB 3.0/3.1 ports
Table 02: Layout diagram descripon table of the back panel I/O ports
2.1.1 HDMI® Port
The integrated 19-pin HDMI® port uses an HDMI® Type A receptacle connector as dened in the HDMI®
specicaon. The HDMI® (High Denion Mulmedia Interface) port is for connecng the High Denion video
and digital audio. The pinouts of the HDMI® port are shown below.
Figure 06: HDMI® port diagram

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Pin Signal Pin Signal
1TX2+ 2GND
3 TX2- 4 TX1+
5 GND 6 TX1-
7 TX0+ 8 GND
9 TX0- 10 TXC+
11 GND 12 TXC-
13 key 14 key
15 DDCSCL 16 DDCSDA
17 GND 18 +5V
19 Hot Plug Detect
Table 03: HDMI® port pinouts
2.1.2 COM Ports
The two integrated 9-pin COM ports use a male DE-9 connector. The COM ports support the RS-232 standard.
The pinouts of the COM port are shown below.
Figure 07: COM port diagram
COM1 (Top Port) COM2 (Boom Port)
Pin Signal Pin Signal Pin Signal Pin Signal
1DCD 6DSR 1DCD 6DSR
2RxD 7 RTS 2RxD 7 RTS
3TxD 8CTS 3TxD 8CTS
4DTR 9 RI 4DTR 9 RI
5 GND 5 GND
Table 04: COM port pinouts

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2.1.3 Gigabit Ethernet Ports
The 2 integrated 8-pin Gigabit Ethernet ports is using an 8 Posion 8 Contact (8P8C) receptacle connector
commonly known as RJ-45. The pinouts of the Gigabit Ethernet port are shown below.
Figure 08: Gigabit Ethernet port diagram
Pin Signal
1Signal pair 1+
2 Signal pair 1-
3Signal pair 2+
4 Signal pair 3+
5Signal pair 3-
6 Signal pair 2-
7 Signal pair 4+
8 Signal pair 4-
Table 05: Gigabit Ethernet port pinouts
Each Gigabit Ethernet port has two individual LED indicators located on the front side to show its Acve/Link
status and Speed status.
Link LED
(Le LED on RJ-45 port)
Acve LED
(Right LED on RJ-45 port)
Link O LED is o LED is o
Speed_10Mbit Yellow Flash LED is o
Speed_100Mbit Yellow Flash The Green LED is on
Speed_1000Mbit Yellow Flash The Orange LED is on
Table 06: Gigabit Ethernet port LED color denion

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2.1.4 Audio Jack
There are three audio jack receptacles integrated into a single stack on the I/O coastline. Each receptacle can t
a 3.5mm Tip Ring Sleeve (TRS) connector to enable connecons to Line-in, Line-out, and Mic-in.
Figure 09: Audio jack receptacle stack
Wiring Line-in Line-out Mic-in
Tip Le channel in Le channel Le channel
Ring Right channel in Right channel Right channel
Sleeve Ground Ground Ground
Table 07: Audio jack receptacle pinouts
2.1.5 USB 3.0 Ports
The VIA EPIA-M930 is equipped with two USB 3.0 ports. Each USB 3.0 port has a maximum data transfer rate of
up to 5Gb/s and is backwards compable with the USB 2.0 specicaon. The USB 3.0 ports provides complete
Plug and Play and hot swap capabilies for external devices. The pinouts of the USB 3.0 port are shown below.
Figure 10: USB 3.0 port diagram
Pin Signal
1+5V
2Data-
3Data+
4 GND
5Rx-
6Rx+
7 GND
8Tx-
9Tx+
Table 08: USB 3.0 port pinouts