VIA Technologies ARTiGO A920 User manual

USER MANUAL
VIA ARTiGO A920
Fanless ultra-compact 4K Android
digital signage, M2M & IoT
gateway applicaons
1.00-05202019-161700

Copyright
Copyright ©2019 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.

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 70°C (158°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 ARTiGO A920 User Manual
Box Contents
• 1 x VIA ARTiGO A920 system
• 1 x AC-to-DC adapter
• 1 x Power cord (USA type)
• 2 x Wi-Fi antennas (ATG-A920-1Q23A1 sku only)
Ordering Informaon
Part Number Descripon
ATG-A920-1Q23A1 Android system with 2.342GHz Qualcomm® APQ8096SG Embedded
Processor, 16GB eMMC, 4GB POP LPDDR4 RAM, HDMI, USB 3.0, USB 2.0,
Gigabit Ethernet, S-Link, M.2 slot (for 4G module only), SIM card slot, Micro
SD card slot, 12V DC-in
ATG-A920-2Q23A1 Android system with 2.342GHz Qualcomm® APQ8096SG Embedded
Processor, 16GB eMMC, 4GB POP LPDDR4 RAM, HDMI, USB 3.0, USB 2.0,
Gigabit Ethernet, M.2 slot (for 4G module only), SIM card slot, Micro SD
card slot, 12V DC-in
Oponal Accessories
Mounng Opons
Part Number Descripon
A000000018010-T VESA mount bracket
Cable Accessories
Part Number Descripon
99G33-193428 Consumer Infrared (CIR) receiver cable
99G33-080297 Debug cable (TX/RX)
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VIA ARTiGO A920 User Manual
Table of Contents
1. Product Overview .............................................................................................................. 1
1.1 Key Features ......................................................................................................................................... 1
1.1.1 High-Performance.......................................................................................................................... 1
1.1.2 Fanless and Space Saving............................................................................................................... 1
1.1.3 OpmizedIntegraonwithMulpleI/OAccess ........................................................................... 1
1.1.4 4K Display Support......................................................................................................................... 1
1.1.5 Storage Expansion.......................................................................................................................... 1
1.1.6 Networking Support....................................................................................................................... 1
1.1.7 MounngSoluon ......................................................................................................................... 2
1.1.8 EmbeddedOperangSystemReady.............................................................................................. 2
1.2 ProductSpecicaons ......................................................................................................................... 3
1.3 Layout Diagram .................................................................................................................................... 5
1.4 Product Dimensions ............................................................................................................................ 6
2. ExternalI/OPinDescriponsandFunconality ................................................................ 7
2.1 HDMI®Port ........................................................................................................................................... 7
2.2 USB 3.0 Port ......................................................................................................................................... 7
2.3 USB 2.0 Port ......................................................................................................................................... 8
2.4 Gigabit Ethernet Port............................................................................................................................ 8
2.5 AudioJacks ........................................................................................................................................... 9
2.6 Power LED ............................................................................................................................................ 9
2.7 MicroSDCardSlot................................................................................................................................ 9
2.8 PowerBuon...................................................................................................................................... 10
2.9 DC-InJack ........................................................................................................................................... 10
3. OnboardI/O.................................................................................................................... 11
3.1 M.2Slot .............................................................................................................................................. 11
3.2 SIMCardSlot ...................................................................................................................................... 12
3.3 COMDebugConnector ...................................................................................................................... 13
4. OnboardJumper.............................................................................................................. 14
4.1 MiscellaneousJumper........................................................................................................................ 15
5. HardwareInstallaon ...................................................................................................... 16
5.1 Opening the Chassis ........................................................................................................................... 16
5.2 Installingthe4GSIMCard .................................................................................................................. 17
5.3 InstallingtheWi-FiAntennas ............................................................................................................. 18
6. SowareandTechnicalSupport ...................................................................................... 19
6.1 AndroidSupport................................................................................................................................. 19
6.2 TechnicalSupportandAssistance....................................................................................................... 19
AppendixA.InstallingWirelessAccessories............................................................................ 20
A.1. InstallingtheMobileBroadbandM.2Module ................................................................................... 20
AppendixB.InstallingCableAccessories ................................................................................ 22
B.1. ConnecngtheConsumerInfrared(CIR)ReceiverCable ................................................................... 22
B.2. ConnecngtheDebugCable(TX/RX)................................................................................................. 23
AppendixC.InstallingVESAMounngKit............................................................................... 24
C.1. InstallingtheVESABracket................................................................................................................. 24
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VIA ARTiGO A920 User Manual
List of Figures
Figure1: FrontpanelI/Olayout.......................................................................................................................... 5
Figure2: BackpanelI/Olayout ........................................................................................................................... 5
Figure3: DimensionsoftheVIAARTiGOA920(frontview)................................................................................ 6
Figure4: DimensionsoftheVIAARTiGOA920(sideview) ................................................................................. 6
Figure5: DimensionsoftheVIAARTiGOA920(boomview)............................................................................ 6
Figure6: HDMIportdiagram ............................................................................................................................. 7
Figure 7: USB 3.0 diagram .................................................................................................................................. 7
Figure 8: USB 2.0 port diagram ........................................................................................................................... 8
Figure 9: Gigabit Ethernet port diagram ............................................................................................................. 8
Figure10: Audiojacksdiagram ............................................................................................................................. 9
Figure 11: Power LED diagram .............................................................................................................................. 9
Figure12: MicroSDcardslotdiagram .................................................................................................................. 9
Figure13: Powerbuondiagram ....................................................................................................................... 10
Figure14: DC-injackdiagram ............................................................................................................................. 10
Figure15: DC-injackspecicaondiagram ........................................................................................................ 10
Figure16: M.2slotdiagram ............................................................................................................................... 11
Figure17: SIMcardslotdiagram ........................................................................................................................ 12
Figure18: COMdebugconnectordiagram ......................................................................................................... 13
Figure19: Jumpersengsexample................................................................................................................... 14
Figure20: Miscellaneousjumperdiagram.......................................................................................................... 15
Figure 21: Unscrewing the top cover ................................................................................................................. 16
Figure22: Removingthetopcover ..................................................................................................................... 16
Figure23: Installingthe4GSIMcard .................................................................................................................. 17
Figure24: InstallingtheWi-Fiantennas.............................................................................................................. 18
Figure25: InstallingtheM.2module .................................................................................................................. 20
Figure26: SecuringtheM.2moduleandremovingtheantennaholecover...................................................... 20
Figure27: InstallingtheantennaandantennacableoftheM.2module ........................................................... 21
Figure28: Connecngtheantennacabletothemicro-RFconnectoronM.2module....................................... 21
Figure29: ConnecngtheConsumerInfrared(CIR)receivercable .................................................................... 22
Figure30: Connecngthedebugcable(TX/RX) ................................................................................................. 23
Figure31: InstallingtheVESAbracket................................................................................................................. 24
Figure32: Installingthetwoatheadscrews(M4xL5.9).................................................................................... 25
Figure33: InstallingtheVIAARTiGOA920totheVESAbracket ......................................................................... 25
Figure34: ConnecngthecablestotheVIAARTiGOA920 ................................................................................ 26
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VIA ARTiGO A920 User Manual
List of Tables
Table1: HDMIportpinouts .............................................................................................................................. 7
Table 2: USB 3.0 pinouts ................................................................................................................................... 7
Table 3: USB 2.0 port pinouts ............................................................................................................................ 8
Table 4: Gigabit Ethernet port pinouts .............................................................................................................. 8
Table5: GigabitEthernetportLEDcolordenion........................................................................................... 8
Table6: MicroSDcardslotpinouts ................................................................................................................... 9
Table7: Powerbuonbehaviordescripon ................................................................................................... 10
Table8: DC-injackpinouts .............................................................................................................................. 10
Table9: DC-injackspecicaon ..................................................................................................................... 10
Table10: M.2slotpinouts ................................................................................................................................. 11
Table11: SIMcardslotpinouts ......................................................................................................................... 12
Table12: COMdebugconnectorpinouts .......................................................................................................... 13
Table13: Miscellaneousjumpersengs........................................................................................................... 15
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VIA ARTiGO A920 User Manual
1
1. Product Overview
Enhanceyourdigitalsignage,M2MandIoTgatewayapplicaonswiththeVIAARTiGOA920high-performance
EdgeAIsystem.PoweredbytheQualcomm®APQ8096SGEmbeddedProcessor,whichfeaturestwohigh-
performanceKryo™coresupto2.342GHz,twolow-powerKryocoresupto1.593GHz.TheVIAARTiGO
A920combinesadvancecompung,graphicsandAIprocessingperformancewith4Kdisplaysupport,rich
connecvityopons,andI/Operipheralintegraoncapabiliesinanultra-compactfanlesssystem.
Measuringjust140mm(W)x20mm(H)x97.2mm(D),thesystemintegratesarichsetofI/Ofeaturesthrough
thefrontandrearpanelsofitsultra-compactchassis,includingHDMIport,USB3.0port,USB2.0port,Gigabit
Ethernet,andMicroSDcardslot.Otherfeaturesinclude4GBPOPLPDDR4SDRAM,16GBeMMCashmemory,
M.2slot,SIMcardslot,and3.5mmaudiojacksforHeadphoneandMic-in.
ThesystemdeliversrichnetworkconnecvitythroughitsWi-Fi,Bluetooth,andGigabitEthernetportplusa
choiceof4GLTEwirelessintegraonenabledbytheoponalmobilebroadbandM.2module.
ToboostsowareandAIapplicaondevelopment,theVIAARTiGOA920comeswithaBSPfeaturingAndroid
8.0whichincludestheQualcomm®NeuralProcessingSDKforarcialintelligencedesignedtohelpdevelopers
runoneormoreneuralnetworkmodelstrainedinCae/Cae2,ONNX,orTensorFlowusingtheCPU,GPU,or
DSPintheQualcomm®APQ8096SGEmbeddedProcessor.
1.1 Key Features
1.1.1 High-Performance
TheARMbasedVIAARTiGOA920systemispoweredbyaQualcomm®APQ8096SGEmbeddedProcessorthat
providesafullrangeofrichfeaturesincludingsuperbmul-taskingperformance.
1.1.2 Fanless and Space Saving
TheVIAARTiGOA920featuresfanlessoperaoninaslimchassisdesignedtosavespace,makingitidealfor
installaoninawiderangeofenvironments.
1.1.3 OpmizedIntegraonwithMulpleI/OAccess
WithfrontandbackpanelI/Oaccess,theVIAARTiGOA920canbeeasilyconguredtosupportawidevariety
ofapplicaonswitheasyintegraonandquicksetup.
1.1.4 4K Display Support
TheVIAARTiGOA920hasanindependentintegratedHDMI2.0transmierthatsupports4KUHDdisplayoutput.
1.1.5 Storage Expansion
TheVIAARTiGOA920hasa16GBeMMCashstorageonboardandfeaturesMicroSDcardslotthatsupports
addional32GBstorage.
1.1.6 Networking Support
TheVIAARTiGOA920isequippedwithanRJ-45thatsupportshigh-speeddataGigabitEthernet.Wireless
connecvitycanbeaddedthroughtheM.2slotusingtheoponalmobilebroadbandM.2module(Huawei
ME906s-1584Gmodule).

VIA ARTiGO A920 User Manual
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1.1.7 MounngSoluon
TheVIAARTiGOA920supportsmulplemethodsformounngthechassissecurely.Incanbemountedtoany
atsurface,oreventoVESAmountablesurfaceswiththeVESAmounngkit.
1.1.8 EmbeddedOperangSystemReady
TheVIAARTiGOA920featuresacompletesowareevaluaonimagefeaturingAndroid8.0.

VIA ARTiGO A920 User Manual
3
1.2 ProductSpecicaons
Processor
• Qualcomm®APQ8096SGEmbeddedProcessor
◦Twohigh-performanceKryocoresupto2.342GHz
◦TwolowpowerKryocoresupto1.593GHz
System Memory
• 4GBPOPLPDDR4SDRAM
Storage
• 16GBeMMCashmemory
• MicroSDcardslot
Graphics
• Qualcomm®Adreno™530 GPU
◦ 3Dgraphicsacceleratorwith64-bitaddressing624MHz
◦GraphicsenginesupporngOpenGLES3.1/GEP,GL4.4,DX11.3/4,OpenCL2.0,Renderscript-Next
◦SupportsH.264,VP8,HEVC8/10-bit,VP9videodecodingupto:4K@60fps1080p@240fps,
 8x1080p@30fps
Trusted Plaorm Module
• TPM1.2:ST33TPM12I2C
Wireless Connecvity
• NFA324A-12H32QCA6174A-1Wi-Fi802.11a/b/g/n/ac+BT4.1comboLGAmodule
Audio
• WCD9335AudioCodecAMP8810
HDMI
• IntegratedHDMI2.0transmier
Expansion I/O
• 1xSIMcardslot(4G)
• 1xM.2slot(foroponal4Gmodule)
• 1xCOMconnector(TX/RXfordebugging)
Front Panel I/O
• 1 x USB 3.0 port
• 1 x Gigabit Ethernet port
• 1xMicroSDcardslot
• 1xHeadphonejack
• 1xMic-in,CIR(oponal)
• 1 x Blue Power LED
Back Panel I/O
• 1xHDMI2.0port
• 1 x USB 2.0 port
• 1xPowerbuon
• 2xAntennaholesforWi-Fioroponal4G
• 1xDC-injack(supportspower-on)

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Power Supply
• 12VDC-in(typical:5W)
Operang System
• Android8.0
VIA Smart ETK
• Wake-On-LAN,Watchdogmer
Operang Temperature
• 0°C ~ 40°C
Operang Humidity
• 0%~95%@40°C(non-condensing)
Storage Temperature
• -20°C ~ 70°C
Mechanical Construcon
• Aluminumtopcover
• Metalchassishousing
Mounng
• VESAmount(100mmx100mm)(oponal)
Dimensions
• 140mm(W)x20mm(H)x97.2mm(D)(5.51"x0.79"x3.83")
Weight
• 0.45kg(0.99lbs)
Compliance
• CE, FCC
• CCC(ATG-A920-2Q23A1skuonly)
Notes:
1.AstheoperangtemperatureprovidedinthespecicaonsisaresultoftesngperformedinVIA’s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the
variablesintoconsideraonwhenbuildingthesystem.Pleaseensurethatthesystemrunswellundertheoperang
temperatureintermsofapplicaon.
2.PleasenotethatthelifespanoftheonboardeMMC/UFSmemorychipmayvarydependingontheamountof
access.MorefrequentandlargerdataaccessontheeMMCmemorymakesitslifespanshorter.Therefore,itishighly
recommendedtouseareplaceableexternalstorage(e.g.,SDcard)forlargedataaccess.

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1.3 Layout Diagram
Figure 1:FrontpanelI/Olayout
Figure 2:BackpanelI/Olayout

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1.4 Product Dimensions
Figure 3:DimensionsoftheVIAARTiGOA920(frontview)
Figure 4:DimensionsoftheVIAARTiGOA920(sideview)
Figure 5:DimensionsoftheVIAARTiGOA920(boomview)

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2. External I/O Pin Descripons and Funconality
TheVIAARTiGOA920hasawideseleconofinterfaces.Itincludesaseleconoffrequently-usedportsaspart
oftheexternalI/Ocoastline.
2.1 HDMI®Port
TheVIAARTiGOA920isequippedwithoneHDMIportonthebackpanelwhichusesanHDMIportTypeA
receptacleconnectortoconnectHighDenionvideoanddigitalaudiousingasinglecable.Thepinoutsofthe
HDMIportareshownbelow.
Table 1: HDMIportpinouts
2.2 USB 3.0 Port
TheVIAARTiGOA920isequippedwithoneUSB3.0portonthefrontpanel.TheUSB3.0porthasamaximum
datatransferrateofupto5GbpsandiscompablewithUSB2.0specicaons.ThisUSB3.0portgivescomplete
Plug and Play and hot swap capability for external devices. The pinouts of the USB 3.0 port are shown below.
Table 2: USB 3.0 pinouts
Figure 6:HDMIportdiagram
Figure 7:USB 3.0 diagram
Pin Signal Pin Signal
1D2+ 11 GND
2 GND 12 CLK-
3 D2- 13 CEC
4D1+ 14 NC
5 GND 15 DDC_CLK
6 D1- 16 DDC_DATA
7D0+ 17 GND
8 GND 18 HDMI_5V
9 D0- 19 PLUG_DET
10 CLK+
Pin Signal
1VBUS
2 D-
3D+
4 GND
5RX-
6RX+
7 GND
8TX-
9TX+

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2.3 USB 2.0 Port
TheVIAARTiGOA920isequippedwithoneUSB2.0portonthebackpanelwhichgivescompletePlugand
Playandhotswapcapabilityforexternaldevices.TheUSB2.0interfacecomplieswithUSBUHCI,Rev.2.0.The
pinouts of the USB 2.0 port are shown below.
Table 3: USB 2.0 port pinouts
2.4 Gigabit Ethernet Port
TheVIAARTiGOA920comeswithoneGigabitEthernetportonthebackpanelwhichusesan8Posionand
8Contact(8P8C)receptacleconnectorcommonlyknownasRJ-45.ItisfullycompliantwiththeIEEE802.3
(10BASE-T),802.3u(100BASE-TX),and802.3ab(1000BASE-T)standards.ThepinoutsoftheGigabitEthernet
port are shown below.
Table 4: Gigabit Ethernet port pinouts
TheGigabitEthernetport(RJ-45)isequippedwithtwoLEDindicatorsonthefrontsidetoshowitsAcve/Link
status and Speed status.
Table 5: GigabitEthernetportLEDcolordenion
Pin Signal
1VCC
2 USB0_D-
3USB0_D+
4 GND Figure 8:USB 2.0 port diagram
Pin Signal
1TX1+
2TX1-
3TX2+
4TX2-
5TX3+
6TX3-
7TX4+
8TX4-
Acve LED
(Le LED on RJ-45 port)
Link LED
(Right LED on RJ-45 port)
Linko LEDiso LEDiso
Speed_10Mbit Greenash LEDiso
Speed_100Mbit Redash LEDiso
Speed_1000Mbit LEDiso Orangeash
Figure 9:Gigabit Ethernet port diagram

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2.5 AudioJacks
TheVIAARTiGOA920oersHighDenionaudiothroughtwo3.5mmTRSjacksonthefrontpanel:Mic-in
andHeadphonejack.TheMic-injackisusedforconnecngtoamicrophone.TheHeadphonejackisusedfor
connecngtoheadphones.Thediagramoftheaudiojacksisshownbelow.
Note:
TheMic-injackcanalsobeconguredtosupportConsumerInfrared(CIR)funcon.Itcanbeusedforconnecngthe
ConsumerInfrared(CIR)receivercable.ToenabletheCIRfunconontheMic-injack,pleaserefertosecon4.1 for
completeinstrucons.
2.6 Power LED
TheVIAARTiGOA920comeswithaPowerLEDindicator(bluelight).Itindicatesthepowerstatusofthe
system. The diagram of the Power LED indicator is shown below.
2.7 MicroSDCardSlot
TheVIAARTiGOA920comeswithaMicroSDcardslotlocatedonthefrontpanelwithsupportforamaximum
storagecapacityof32GB.ThepinoutsoftheMicroSDcardslotareshownbelow.
Table 6: MicroSDcardslotpinouts
Pin Signal
1SD_DAT2
2SD_DAT3
3SD_CMD
4VDD33
5 SD_CLK
6 GND
7SD_DAT0
8SD_DAT1
9 SD_CD-
Figure 10: Audiojacksdiagram
Figure 11: Power LED diagram
Figure 12: MicroSDcardslotdiagram

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2.8 PowerBuon
TheVIAARTiGOA920comeswithapowerbuon.Thepowerbuoncansupporttwofuncons:System
Suspend/ResumeandPop-uppowercontrolmenu.Thediagramofthepowerbuonisshownbelow.
Table 7: Powerbuonbehaviordescripon
2.9 DC-InJack
TheVIAARTiGOA920comeswithaDC-injackthatcarriesa12VDCexternalpowerinput.Thespecicaon
andpinoutsofthepowerDC-injackareshownbelow.
Table 8: DC-injackpinouts
Table 9: DC-injackspecicaon
Pin Signal
1+12V
2 GND
Physical Specicaon
Outer Diameter 6.0mm
InnerDiameter 2.0mm
Barrel Depth 8.2mm
Electrical Specicaon
InputVoltage +12V
Figure 13: Powerbuondiagram
Figure 14: DC-injackdiagram
Figure 15: DC-injackspecicaondiagram
Power Buon behavior
Suspend/ResumeSystem Quicklypressthepowerbuononcetosuspend.Whilein
suspendmodequicklypressoncetoresume.
Pop-up power control menu Occurswhenthepowerbuonispressedforlongerthan
3 seconds.

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3. Onboard I/O
ThischapterprovidesinformaonabouttheonboardI/OconnectorsontheVIAARTiGOA920system’smainboard.
3.1 M.2Slot
TheVIAARTiGOA920isequippedwithanM.2slotforwirelessnetworkingoponssuchasa4Gmodule.The
pinoutsoftheM.2slotareshownbelow.
Figure 16: M.2slotdiagram
Table 10: M.2slotpinouts
Pin Signal Pin Signal
1 GND 2 VDD3V3_M2
3 GND 4 VDD3V3_M2
5 NC 6 NC
7 NC 8 NC
9 GND 10 VDD3V3_M2
11 NC 12 VDD3V3_M2
13 NC 14 VDD3V3_M2
15 GND 16 VDD3V3_M2
17 NC 18 VDD3V3_M2
19 NC 20 NC
21 GND 22 NC
23 NC 24 NC
25 NC 26 NC
27 GND 28 NC
29 NC 30 NC
31 NC 32 NC
33 GND 34 NC
35 NC 36 NC
37 NC 38 PCIE2_DSLP
39 GND 40 NC
Pin Signal Pin Signal
41 PCIE2_RX_M 42 NC
43 PCIE2_RX_P 44 NC
45 GND 46 NC
47 PCIE2_TX_M 48 NC
49 PCIE_TX_P 50 PCIE2_RST_N
51 GND 52 PCIE2_CLKREQ_N
53 PCIE2_CLK_M 54 PCIE2_WAKE_N
55 PCIE2_CLK_P 56 MFG_DATA
57 GND 58 MFG_CLCOK
59 - 60 -
61 - 62 -
63 - 64 -
65 - 66 -
67 NC 68 M2_SUSCLK
69 VDD3V3_M2 70 VDD3V3_M2
71 GND 72 VDD3V3_M2
73 GND 74 VDD3V3_M2
75 GND

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3.2 SIMCardSlot
TheVIAARTiGOA920isequippedwithaSIMcardslotthatcansupporta4GSIMcard.UsingtheSIMcard
slotontheVIAARTiGOA920requiresa4GmoduletobeinstalledintheM.2slottoenablethe4Gfuncon,
otherwisetheSIMcardslotisdisabled.TheSIMcardslotisdesignedonlyfora4Gmodulewithoutabuilt-in
SIMcardslotonit.TheSIMcardslotislabeledas"SIM1".ThepinoutsoftheSIMcardslotareshownbelow.
Figure 17: SIMcardslotdiagram
Table 11: SIMcardslotpinouts
Pin Signal
1USIM_VCC_A
2USIM_RST_A
3USIM_CLK_A
4 -
5 GND
6USIM_VPPSIM_A
7USIM_DATA_A

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3.3 COMDebugConnector
TheVIAARTiGOA920hasaCOMdebugconnectorwhichisusedfordebuggingpurpose.TheCOMdebug
connectorislabeledas"CONSOLE1".ThepinoutsoftheCOMdebugconnectorareshownbelow.
Figure 18: COMdebugconnectordiagram
Table 12: COMdebugconnectorpinouts
Pin Signal
1RS232_TXD
2RS232_RXD
3 GND
4 NC
5 NC