VIA Technologies ALTA DS 3 User manual

USER MANUAL
VIA ALTA DS 3
High-performance Edge AI system
with dual 4K screen support and rich
wireless and I/O connecvity opons
1.00-09252018-102700

Copyright
Copyright ©2018 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 ALTA DS 3 User Manual
Box Contents
• 1 x VIA ALTA DS 3 system
• 1 x Stand holder
• 1 x AC to DC adapter
• 1 x Power cord
• 1 x Wi-Fi antenna (ALTADS30VA001-T only)
Ordering Informaon
Part Number Descripon
ALTADS30VA001-T Android system with 2.15GHz Qualcomm® Snapdragon™ 820E Embedded
Plaorm, 16GB eMMC, 4GB POP LPDDR4 RAM, 2 HDMI, 3 USB 3.0, Gigabit
Ethernet, Wi-Fi, Bluetooth 4.1, SD card slot, M.2 slot, SIM card slot,
miniPCIe slot, Stand holder, US power cord, 12V DC-in
ALTADS30VA002-T Android system with 2.15GHz Qualcomm® Snapdragon™ 820E Embedded
Plaorm, 16GB eMMC, 4GB POP LPDDR4 RAM, 2 HDMI, 3 USB 3.0, Gigabit
Ethernet, SD card slot, M.2 slot, SIM card slot, miniPCIe slot, Stand holder,
US power cord, 12V DC-in
Oponal Accessories
Wireless Accessories
Part Number Descripon
EMIO-2573-00A0 Quectel EC25-A 4G/LTE mobile broadband full size miniPCIe module for USA
with assembly kit and antenna pack
Mounng Opons
Part Number Descripon
VT6076-C0000A1 VESA mount cradle
Cable Accessories
Part Number Descripon
99G33-080297 Debug cable (TX/RX)
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VIA ALTA DS 3 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 Dual 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 ................................................................ 8
2.1 HDMI®Ports.......................................................................................................................................... 8
2.2 USB 3.0 Ports........................................................................................................................................ 8
2.3 MiniUSB2.0Port ................................................................................................................................. 9
2.4 Gigabit Ethernet Port............................................................................................................................ 9
2.5 AudioJack........................................................................................................................................... 10
2.6 SD Card Slot........................................................................................................................................ 10
2.7 PowerBuon..................................................................................................................................... 11
2.8 DC-InJack ........................................................................................................................................... 11
3. OnboardI/O.................................................................................................................... 12
3.1 MiniPCIeSlot ...................................................................................................................................... 12
3.2 M.2Slot .............................................................................................................................................. 13
3.3 SIMCardSlot ...................................................................................................................................... 14
4. HardwareInstallaon ...................................................................................................... 15
4.1 Opening the Chassis ........................................................................................................................... 15
4.2 InstallingtheM.22280PCIeNVMeSSDModule ............................................................................... 17
4.3 Installingthe4GSIMCard .................................................................................................................. 19
4.4 InstallingtheStandHolder ................................................................................................................. 20
5. SowareandTechnicalSupport ...................................................................................... 22
5.1 AndroidSupport................................................................................................................................. 22
5.2 TechnicalSupportandAssistance....................................................................................................... 22
AppendixA.InstallingWirelessAccessories............................................................................ 23
A.1. InstallingVIAEMIO-2573MobileBroadbandModule ....................................................................... 23
AppendixB.InstallingVESAMountCradle.............................................................................. 26
AppendixC.ConnecngDebugCable..................................................................................... 28
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VIA ALTA DS 3 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ALTADS3(frontview) ..................................................................................... 6
Figure4: DimensionsoftheVIAALTADS3(topview) ........................................................................................ 6
Figure5: DimensionsoftheVIAALTADS3withstandholderinstalled(frontview).......................................... 7
Figure6: DimensionsoftheVIAALTADS3withstandholderinstalled(topview) ............................................ 7
Figure7: HDMIportdiagram ............................................................................................................................. 8
Figure 8: USB 3.0 diagram .................................................................................................................................. 8
Figure9: MiniUSB2.0portdiagram ................................................................................................................... 9
Figure 10: Gigabit Ethernet port diagram ............................................................................................................. 9
Figure11: Audiojacksdiagram ........................................................................................................................... 10
Figure 12: SD card slot diagram ......................................................................................................................... 10
Figure13: Powerbuondiagram....................................................................................................................... 11
Figure14: DC-injackdiagram ............................................................................................................................. 11
Figure15: DC-injackspecicaondiagram ........................................................................................................ 11
Figure16: MiniPCIeslotdiagram ....................................................................................................................... 12
Figure17: M.2slotdiagram ................................................................................................................................ 13
Figure18: SIMcardslotdiagram ........................................................................................................................ 14
Figure19: UnscrewingthebackpanelI/Oplate ................................................................................................ 15
Figure20: RemovingthebackpanelI/Oplate.................................................................................................... 15
Figure21: Removingthetopcover ..................................................................................................................... 16
Figure22: Removingthesystem'smainboard .................................................................................................... 17
Figure23: InstallingtheM.22280PCIeNVMeSSDmodule ............................................................................... 17
Figure24: SecuringtheM.22280PCIeNVMeSSDmodule................................................................................ 18
Figure25: Removingthesystem'smainboard .................................................................................................... 19
Figure26: Installingthe4GSIMcard .................................................................................................................. 19
Figure27: Installingthestandholder ................................................................................................................. 20
Figure 28: Securing the stand holder .................................................................................................................. 21
Figure29: InstallingtheVIAEMIO-2573module................................................................................................ 23
Figure30: SecuringtheVIAEMIO-2573moduleandremovingtheantennaholecover ................................... 23
Figure31: InstallingtheantennaandantennacableofVIAEMIO-2573module ............................................... 24
Figure32: Connecngtheantennacabletothemicro-RFconnectoronVIAEMIO-2573module..................... 24
Figure33: ReinstallingthetopcoverandbackpanelI/Oplate .......................................................................... 25
Figure34: InstallingtheVESAmountcradle ....................................................................................................... 26
Figure35: InserngtheVIAALTADS3totheVESAmountcradle ...................................................................... 27
Figure36: ConnecngthenecessarycablestotheVIAALTADS3...................................................................... 27
Figure37: Connecngthedebugcable(TX/RX) ................................................................................................. 28
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VIA ALTA DS 3 User Manual
List of Tables
Table1: HDMIportpinouts .............................................................................................................................. 8
Table 2: USB 3.0 pinouts ................................................................................................................................... 8
Table3: MiniUSB2.0portpinouts .................................................................................................................... 9
Table 4: Gigabit Ethernet port pinouts .............................................................................................................. 9
Table5: GigabitEthernetportLEDcolordenion........................................................................................... 9
Table 6: SD card slot pinouts ........................................................................................................................... 10
Table7: Powerbuonbehaviordescripon ................................................................................................... 11
Table8: DC-injackpinouts ............................................................................................................................. 11
Table9: DC-injackspecicaon ..................................................................................................................... 11
Table10: MiniPCIeslotpinouts ......................................................................................................................... 12
Table11: M.2slotpinouts ................................................................................................................................. 13
Table12: SIMcardslotpinouts ......................................................................................................................... 14
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VIA ALTA DS 3 User Manual
1
1. Product Overview
Accelerateyourintelligentsignage,kiosk,andaccesscontroldevicedevelopmentanddeploymentwiththeVIA
ALTADS3EdgeAIsystem.PoweredbytheQualcomm®Snapdragon™820EEmbeddedPlaorm,theVIAALTA
DS3combinescung-edgecompute,graphics,andAIprocessingperformancewithdual4Kdisplaysupport,
richconnecvityopons,andexiblecameraandI/Operipheralintegraoncapabiliesinanultra-compact
fanless form factor.
Measuringjust175mm(W)x25mm(H)x118mm(D),thesystemintegratesarichsetofI/Ofeaturesthrough
thefrontandrearpanelsofitsultra-compactfanlesschassis,includingtwoHDMIports,threeUSB3.0ports,
oneMiniUSB2.0port,andoneminiPCIeslot.Otherfeaturesinclude4GBPOPLPDDR4RAM,16GBeMMC
ashmemory,oneSDcardslot,oneM.2slot,andline-outandmic-inaudiojacks.Thesystemdeliversrich
networkconnecvitythroughitsGigabitEthernetportandachoiceofWi-Fi&Bluetooth4.1or4GLTEwireless
integraonopons.
TofacilitatesowareandAIapplicaondevelopment,theVIAALTADS3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®Snapdragon™820EEmbeddedPlaorm.
1.1 Key Features
1.1.1 High-Performance
TheARMbasedVIAALTADS3systemispoweredbyaQualcomm®Snapdragon™820EEmbeddedPlaorm
thatprovidesafullrangeofrichfeaturesincludingsuperbmul-taskingperformance.
1.1.2 Fanless and Space Saving
TheVIAALTADS3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ALTADS3canbeeasilyconguredtosupportawidevarietyof
applicaonswitheasyintegraonandquicksetup.
1.1.4 Dual 4K Display Support
TheVIAALTADS3hasanindependentintegratedHDMI2.0transmierthatsupports4KUHDdisplayoutput,
and4KUHDdisplayoutputfromdualMIPIDSItoHDMI1.4converter.
1.1.5 Storage Expansion
TheVIAALTADS3has16GBeMMCashstorageonboardandfeaturesanSDCardslotsupportsandaddional
32GB.TheonboardM.2slotenablesfurtherexpansionwithitsupportforextrastorageofupto1TB.
1.1.6 Networking Support
TheVIAALTADS3isequippedwithanRJ-45portthatsupportshigh-speedGigabitEthernet.Wireless
connecvitycanbeaddedthroughtheminiPCIeslotusingtheoponalVIAEMIO-2573mobilebroadband
miniPCIemodule.

VIA ALTA DS 3 User Manual
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1.1.7 MounngSoluon
TheVIAALTADS3supportsmulplemethodsformounngthechassissecurely.Itcanbemountedtoanyat
surfaceusingthestandholder,oreventoVESAmountablesurfaceswithaVESAmounngkit.
1.1.8 EmbeddedOperangSystemReady
TheVIAALTADS3featuresacompletesowareevaluaonimagefeaturingAndroid8.0.

VIA ALTA DS 3 User Manual
3
1.2 ProductSpecicaons
Processor
• Qualcomm®Snapdragon™820EEmbeddedPlaorm
◦Twohigh-performanceKryocoresupto2.15GHz
◦TwolowpowerKryocoresupto1.593GHz
System Memory
• 4GBPOPLPDDR4SDRAM
Storage
• 16GBeMMCashmemory
• M.2slotforM.22280PCIeNVMeSSD
• 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,H.265(HEVC8/10-bit)videodecodingupto:4K@60fps
Wireless Connecvity
• NFA324A-12H32QCA6174A-1Wi-Fi802.11a/b/g/n/ac+BT4.1comboLGAmodule
Audio
• WCD9335AudioCodec
HDMI
• IntegratedHDMI2.0transmieranddualDSItoHDMI1.4converter
Front Panel I/O
• 1xPowerbuonwithpowerLEDindicator
• 1 x SD card slot
• 2 x USB 3.0 ports
• 1 x Line-out
• 1xMic-in(oroponalCIR)
Back Panel I/O
• 1xDC-injack
• 1 x Gigabit Ethernet port
• 2xHDMIports
• 1 x USB 3.0 port
• 1xMiniUSB2.0port(fastbootmodeonly)
• 1xAntennahole(for4GorWi-Fi)
• 1 x Kensington Lock
Onboard I/O
• 1xMiniPCIeslot
• 1xM.2slot
• 1xSIMcardslot

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Power Supply
• 12VDC-in
Operang System
• Android8.0
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
• Plascframe
• Metalbracket
Mounng
• Standholder,VESAmount(oponal)
Dimensions
• 175mm(W)x25mm(H)x118mm(D)(6.88”x0.98”x4.64”)
Weight
• 0.61kg(1.34lbs)
Compliance
• CE,FCC
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ALTADS3(frontview)
Figure 4:DimensionsoftheVIAALTADS3(topview)

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Figure 5:DimensionsoftheVIAALTADS3withstandholderinstalled(frontview)
Figure 6:DimensionsoftheVIAALTADS3withstandholderinstalled(topview)

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2. External I/O Pin Descripons and Funconality
TheVIAALTADS3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®Ports
TheVIAALTADS3isequippedwithtwoHDMIportsonthebackpanelwhichuse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 Ports
TheVIAALTADS3isequippedwiththreeUSB3.0ports,oneinthefrontpanelandtwointhebackpanel.Each
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 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
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+
Figure 7:HDMIportdiagram
Figure 8:USB 3.0 diagram

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2.3 MiniUSB2.0Port
TheVIAALTADS3isequippedwithaminiUSB2.0portonthebackpanelwhichisonlyusedduringthe
fastbootmodewheninstallingtheAndroidimage.ThepinoutsoftheminiUSB2.0portareshownbelow.
Table 3: MiniUSB2.0portpinouts
2.4 Gigabit Ethernet Port
TheVIAALTADS3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5V
2 D-
3D+
4ID
5 GND
Figure 9:Mini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 10: Gigabit Ethernet port diagram

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2.5 AudioJack
TheVIAALTADS3oersHighDenionaudiothroughtwo3.5mmTRSjacksonthefrontpanel:Line-outand
Mic-in.TheLine-outjackisforconnecngtoexternalspeakersorheadphones.TheMic-injackisforconnecng
toamicrophone.Thediagramoftheaudiojacksisshownbelow.
2.6 SD Card Slot
TheVIAALTADS3comeswithanSDcardslotlocatedonthefrontpanelwithsupportforamaximumstorage
capacity of 32GB. The pinouts of the SD card slot are shown below.
Table 6: SD card slot pinouts
Figure 11: Audiojacksdiagram
Figure 12: SD card slot diagram
Pin Signal
1SDC2_DATA3
2SDC2_CMD
3 GND
4VDD
5 SDC2_CLK
6 GND
7SDC2_DATA_0
8SDC2_DATA_1
9SDC2_DATA_2
CD SD_CARD_DET_IN
WP SD_WP

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2.7 PowerBuon
TheVIAALTADS3comeswithapowerbuonfeaturingabuilt-inpowerLEDindicator(bluelight).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
2.8 DC-InJack
TheVIAALTADS3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 6.5mm
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ALTADS3system’smainboard.
3.1 MiniPCIeSlot
TheVIAALTADS3isequippedwithaminiPCIeslotforwirelessnetworkingoponssuchasa4Gmodule.The
pinoutsoftheminiPCIeslotareshownbelow.
Figure 16: MiniPCIeslotdiagram
Table 10: MiniPCIeslotpinouts
Pin Signal Pin Signal
1Reserved 2VDD3V3_MPCIE
3Reserved 4 GND
5Reserved 6VDD1V5
7Reserved 8USIM_VCC_A
9 GND 10 USIM_DATA_A
11 Reserved 12 USIM_CLK_A
13 Reserved 14 USIM_RST_A
15 GND 16 USIM_VPP_A
17 Reserved 18 GND
19 Reserved 20 MPCIE_W_DISABLE
21 GND 22 MPCIE_RST_N
23 Reserved 24 VDD3V3_MPCIE
25 Reserved 26 GND
27 GND 28 VDD1V5
29 GND 30 Reserved
31 Reserved 32 Reserved
33 Reserved 34 GND
Pin Signal Pin Signal
35 GND 36 MINI_PCIE_USB_DM
37 GND 38 MINI_PCIE_USB_DM
39 VDD3V3_MPCIE 40 GND
41 VDD3V3_MPCIE 42 Reserved
43 GND 44 Reserved
45 Reserved 46 Reserved
47 Reserved 48 VDD1V5
49 Reserved 50 GND
51 Reserved 52 VDD3V3_MPCIE

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3.2 M.2Slot
TheVIAALTADS3isequippedwithaM.2slotwhichisusedtosupportanM.22280PCIeNVMeSSDmodule
foraddionalstorageofupto1TB.ThepinoutsoftheM.2slotareshownbelow.
Figure 17: M.2slotdiagram
Table 11: 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