DFI AL9A3 User Manual
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1
AL9A3
COM Express Mini Module
User’s Manual
A44310830
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2
Copyright
This publication contains information that is protected by copyright. No part of it may be reproduced in any form or by any means or used to make any transformation/adaptation without
the prior written permission from the copyright holders.
This publication is provided for informational purposes only. The manufacturer makes no
representations or warranties with respect to the contents or use of this manual and specifically disclaims any express or implied warranties of merchantability or fitness for any particular
purpose. The user will assume the entire risk of the use or the results of the use of this document. Further, the manufacturer reserves the right to revise this publication and make changes
to its contents at any time, without obligation to notify any person or entity of such revisions
or changes.
Changes after the publication’s first release will be based on the product’s revision. The website
will always provide the most updated information.
© 2018. All Rights Reserved.
Trademarks
Product names or trademarks appearing in this manual are for identification purpose only and
are the properties of the respective owners.
COM Express Specification Reference
PICMG® COM Express® Module Base Specification.
http://www.picmg.org/
FCC and DOC Statement on Class B
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
• Consult the dealer or an experienced radio TV technician for help.
Notice:
1. The changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
2. Shielded interface cables must be used in order to comply with the emission limits.
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Table of Contents
Copyright .............................................................................................................2
Trademarks ........................................................................................................2
COM Express Specification Reference ...................................................2
FCC and DOC Statement on Class B ..................................................... 2
Warranty ..............................................................................................................4
Static Electricity Precautions ......................................................................4
Safety Measures ..............................................................................................4
About the Package .........................................................................................5
Optional Items..................................................................................................5
Before Using the System Board ...............................................................5
Chapter 1 - Introduction .............................................................................6
Specifications ................................................................................................6
Features ..........................................................................................................7
Chapter 2 - Concept .......................................................................8
COM Express Module Standards .............................................................. 8
Specification Comparison Table ...............................................................9
Chapter 3 - Hardware Installation ...............................................10
Board Layout ...............................................................................................10
Block Diagram ............................................................................................. 10
Mechanical Diagram ..................................................................................11
System Memory .......................................................................................... 12
Connectors ...................................................................................................13
COM Express Connector .............................................................................13
COM Express Connector Signal Discription ..................................................16
Cooling Option ............................................................................................22
Heat Sink ...................................................................................................22
Installing AL9A3 onto a Carrier Board .................................................22
Installing the COM Express Debug Card ............................................. 23
Chapter 4 - BIOS Setup ............................................................... 26
Overview.......................................................................................................26
AMI BIOS Setup Utility .............................................................................27
Main .........................................................................................................27
Advanced .................................................................................................. 27
Security .................................................................................................... 34
Boot ......................................................................................................... 35
Save & Exit ............................................................................................... 36
Updating the BIOS ....................................................................................37
Notice: BIOS SPI ROM .............................................................................37
Chapter 5 - Supported Software ...........................................................38
Chapter 6 - GPIO Programming Guide...............................................45
Appendix A - Watchdog Sample Code................................................46
Appendix B - System Error Message ...................................................47
Appendix C - Troubleshooting ................................................................49
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Warranty
1. Warranty does not cover damages or failures that arised from misuse of the product,
inability to use the product, unauthorized replacement or alteration of components and
product specifications.
2. The warranty is void if the product has been subjected to physical abuse, improper installation, modification, accidents or unauthorized repair of the product.
3. Unless otherwise instructed in this user’s manual, the user may not, under any circumstances, attempt to perform service, adjustments or repairs on the product, whether in or
out of warranty. It must be returned to the purchase point, factory or authorized service
agency for all such work.
4. We will not be liable for any indirect, special, incidental or consequencial damages to the
product that has been modified or altered.
Static Electricity Precautions
It is quite easy to inadvertently damage your PC, system board, components or devices even
before installing them in your system unit. Static electrical discharge can damage computer
components without causing any signs of physical damage. You must take extra care in handling them to ensure against electrostatic build-up.
1. To prevent electrostatic build-up, leave the system board in its anti-static bag until you are
ready to install it.
2. Wear an antistatic wrist strap.
3. Do all preparation work on a static-free surface.
4. Hold the device only by its edges. Be careful not to touch any of the components, contacts
or connections.
5. Avoid touching the pins or contacts on all modules and connectors. Hold modules or connectors by their ends.
Safety Measures
To avoid damage to the system:
• Use the correct AC input voltage range.
To reduce the risk of electric shock:
• Unplug the power cord before removing the system chassis cover for installation or servicing. After installation or servicing, cover the system chassis before plugging the power
cord.
Important:
Electrostatic discharge (ESD) can damage your processor, disk drive and other components. Perform the upgrade instruction procedures described at an ESD workstation only. If such a station is not available, you can provide some ESD protection by
wearing an antistatic wrist strap and attaching it to a metal part of the system chassis. If a wrist strap is unavailable, establish and maintain contact with the system
chassis throughout any procedures requiring ESD protection.
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About the Package
The package contains the following items. If any of these items are missing or damaged,
please contact your dealer or sales representative for assistance.
• 1 AL9A3 board
• 1 Heat sink
Optional Items
• COM100-B carrier board kit
• Heat spreader
The board and accessories in the package may not come similar to the information listed
above. This may differ in accordance with the sales region or models in which it was sold. For
more information about the standard package in your region, please contact your dealer or
sales representative.
Before Using the System Board
Before using the system board, prepare basic system components.
If you are installing the system board in a new system, you will need at least the following
internal components.
• Storage devices such as hard disk drive, etc.
You will also need external system peripherals you intend to use which will normally include at
least a keyboard, a mouse and a video display monitor.
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Chapter 1 - Introduction
Specifications
Chapter 1
SYSTEM Processor
Intel Atom® Processor E3900 Series, BGA 1296
Intel Atom
®
x7-E3950 Processor, Quad Core, 2M Cache, 1.6GHz (2.0GHz), 12W
Intel Atom
®
x5-E3940 Processor, Quad Core, 2M Cache, 1.6GHz (1.8GHz), 9.5W
Intel Atom
®
x5-E3930 Processor, Dual Core, 2M Cache, 1.3GHz (1.8GHz), 6.5W
Intel
®
Pentium® Processor N4200, Quad Core, 2M Cache, 1.1GHz (2.5GHz), 6W
Intel
®
Celeron® Processor N3350, Dual Core, 2M Cache, 1.1GHz (2.4GHz), 6W
Memory 4GB/8GB Memory Down
Dual Channel DDR3L 1600MHz
BIOS AMI SPI 128Mbit (supports UEFI boot only)
GRAPHICS Controller Intel® HD Graphics
Feature OpenGL 5.0, DirectX 12, OpenCL 2.1
HW Decode: AVC/H.264, MPEG2, VC1, WMV9, JPEG/MJPEG, HEVC/H.265, VP8, VP9, MVC
HW Encode: AVC/H.264, JPEG/MJPEG, HEVC/H.265, VP8, VP9, MVC
Display 1 x DDI (HDMI/DVI/DP++)
1 x LVDS/eDP
LVDS: single channel 24-bit, resolution up to 1366x768 @ 60Hz
HDMI: resolution up to 3840x2160 @ 30Hz
DP++: resolution up to 4096x2160 @ 60Hz
eDP: resolution up to 3840x2160 @ 60Hz
Dual
Display
DDI + LVDS
DDI + eDP
EXPANSION Interface 4 x PCIe x1 (Gen 2)
1 x SDIO (available upon request)
1 x LPC
1 x I²C
1 x SMBus
1 x SPI
2 x UART (TX/RX)
AUDIO Interface HD Audio
ETHERNET Controller 1 x Intel® I210AT PCIe (10/100/1000Mbps) (0 to 60°C) or
1 x Intel
®
I210IT PCIe (10/100/1000Mbps) (-40 to 85°C)
I/O USB 2 x USB 3.0
8 x USB 2.0
SATA 2 x SATA 3.0 (up to 6Gb/s)
SSD 1 x 4GB/8GB/16GB/32GB/64GB Onboard SSD (available upon request)
(SM611GXC-BD/64GB Read: 161.5 MB/s, Write 11.01 MB/s)
GPIO 1 x 8-bit GPIO
WATCHDOG
TIMER
Output &
Interval
System Reset, Programmable via Software from 1 to 255 Seconds
POWER Type 4.75V~20V, 5VSB, VCC_RTC (ATX mode)
4.75V~20V, VCC_RTC (AT mode)
Consumption Typical: E3940: 12V @ 0.34A (4.08W)
Max.: E3940: 12V @ 1.62A (19.44W)
OS SUPPORT
(UEFI ONLY)
Windows 10 IoT Enterprise 64-bit
Ubuntu 15.10 (Intel
®
graphic driver available)
ENVIRONMENT Temperature Operating: 0 to 60°C/-40 to 85°C
Storage: -40 to 85°C
Humidity Operating: 5 to 90% RH
Storage: 5 to 90% RH
MTBF 1,090,551 hrs @ 25°C; 509,776 hrs @ 45°C; 283,622 hrs @ 60°C
Calculation model: Telcordia Issue 2
Environment: GB, GC – Ground Benign, Controlled
MECHANICAL Dimensions COM Express® Mini
84mm (3.30") x 55mm (2.16")
Compliance PICMG COM Express
®
R2.1, Type 10
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Features
• Watchdog Timer
The Watchdog Timer function allows your application to regularly “clear” the system at the set
time interval. If the system hangs or fails to function, it will reset at the set time interval so
that your system will continue to operate.
• DDR3L
DDR3L is a higher performance DDR3 SDRAM interface providing less voltage and higher
speed successor. DDR3L SDRAM modules support 1600MHz for DDR modules. DDR3L delivers
increased system bandwidth and improved performance to provide its higher bandwidth and its
increase in performance at a lower power.
• Graphics
The integrated Intel® HD graphics engine delivers an excellent blend of graphics performance
and features to meet business needs. It provides excellent video and 3D graphics with outstanding graphics responsiveness. These enhancements deliver the performance and compatibility needed for today’s and tomorrow’s business applications. Supports 1 x DDI (HDMI/DVI/
DP++) and 1 x LVDS/eDP interfaces for display outputs.
• Serial ATA
Serial ATA is a storage interface that is compliant with SATA 1.0a specification. With speed of
up to 6Gb/s (SATA 3.0), it improves hard drive performance faster than the standard parallel
ATA whose data transfer rate is 100MB/s.
• Gigabit LAN
The Intel® I210AT Gigabit LAN controller or the Intel® I210IT Gigabit LAN controller supports
up to 1Gbps data transmission.
• USB
The system board supports the new USB 3.0. It is capable of running at a maximum transmission speed of up to 5 Gbit/s (625 MB/s) and is faster than USB 2.0 (480 Mbit/s, or 60 MB/s)
and USB 1.1 (12Mb/s). USB 3.0 reduces the time required for data transmission, reduces
power consumption, and is backward compatible with USB 2.0. It is a marked improvement in
device transfer speeds between your computer and a wide range of simultaneously accessible
external Plug and Play peripherals.
Chapter 1
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8
Chapter 2
Chapter 2 - Concept
COM Express Module Standards
The figure below shows the dimensions of the different types of COM Express modules.
AL9A3 is a COM Express Mini. The dimension is 84mm x 55mm.
106.00
91.00
70.00
51.00
4.00
18.00
6.00
0.00
16.50
4.00
0.00
Extended
BasicCompact
Mini
74.20
80.00
91.00
121.00
151.00
Common for all Form Factors
Extended only
Basic only
Compact only
Compact and Basic only
Mini only
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Chapter 2
Specification Comparison Table
The table below shows the COM Express standard specifications and the corresponding specifications supported on the AL9A3 module.
Module Pin-out - Required and Optional Features C-D Connector. PICMG® COM Express
®
Revision 2.1
Note:
• 5 Indicates 12V-tolerant features on former VCC_12V signals.
• 6 Cells in the connected columns spanning rows provide a rough approximation of
features sharing connector pins.
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A3
Type 10
A-B
A-B PCI Express Lanes 0 - 5 1 / 4
4
A-B LVDS Channel A 0 / 1
1
A-B LVDS Channel B NA
NA
A-B eDP on LVDS CH A pins 0 / 1
1(option)
A-B VGA Port NA
NA
A-B TV-Out NA
NA
A-B DDI 0 0 / 1
1
A-B
5
Serial Ports 1 - 2 0 / 2
2
A-B CAN interface on SER1 0 / 1
1
A-B SATA / SAS Ports 1 / 2
2
A-B AC’97 / HDA Digital Interface 0 / 1
1
A-B USB 2.0 Ports 4 / 8
8
A-B USB Client 0 / 1
0
A-B USB 3.0 Ports 0 / 2
2
A-B LAN Port 0 1 / 1
1
A-B Express Card Support 0 / 2
2
A-B LPC Bus 1 / 1
1
A-B SPI 1 / 2
1
A-B
SDIO (muxed on GPIO) 0 / 1
1(option)
General Purpose I/O 8 / 8
8
A-B SMBus 1 / 1
1
A-B I2C 1 / 1
1
A-B Watchdog Timer 0 / 1
1
A-B Speaker Out 1 / 1
1
A-B External BIOS ROM Support 0 / 2
1
A-B Reset Functions 1 / 1
1
System I/O
System Management
A-B
6
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A3
Type 10
A-B
A-B Thermal Protection 0 / 1
1
A-B Battery Low Alarm 0 / 1
1
A-B Suspend/Wake Signals 0 / 3
3
A-B Power Button Support 1 / 1
1
A-B Power Good 1 / 1
1
A-B VCC_5V_SBY Contacts 4 / 4
4
A-B
5
Sleep Input 0 / 1
1
A-B
5
Lid Input 0 / 1
1
A-B
5
Fan Control Signals 0 / 2
2
A-B Trusted Platform Modules 0 / 1
0
A-B
A-B VCC_12V Contacts 12 / 12
12
Power Management
Power
q p
Connector Feature
COM Express Module Base
Specification Type 10
(Single Connector) Min / Max
DFI AL9A3
Type 10
C-D
PCI Express Lanes 16 - 31 NA
NA
PCI Express Graphics (PEG) NA
NA
Muxed SDVO Channels 1 - 2 NA
NA
PCI Express Lanes 6 - 15 NA
NA
PCI Bus - 32 Bit NA
NA
PATA Port NA
NA
LAN Ports 1 - 2 NA
NA
DDIs 1 - 3 NA
NA
USB 3.0 Ports NA
NA
C-D
C-D VCC_12V Contacts NA
NA
Power
System I/O
C-D
6
C-D
6
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Chapter 3
Chapter 3 - Hardware Installation
Board Layout
Top View
Bottom View
Block Diagram
EEPROM
USB 2.0 8x
SATA 3.0 2x
A / B
USB 2.0 8x
SATA 3.0 2x
Intel Atom
®
Processor
E3900 Series
Intel® I210
AT/IT
MDI
Channel A
DDI Port 0
DDI Port 0
HD Audio
LPC Bus
HD Audio
LPC Bus
WDT
I2C Bus 1, 2
Serial Port 1, 2
Fan PWM/
TACH IN
SLP/LID
S/
USB 3.0 2x
USB 3.0 2x
PCIe x1 4x
PCIe x1 4x
4GB/8GB DDR3L
Memory Down
Channel B
4GB/8GB DDR3L
Memory Down
SIC Bus 1, 2
SMBus
SMBus
8-bit GPIO
TCA6408A
SSD Chip
SATA Ports
eDP/DDI
(optional)
(p )
PTN3460
LVDS
(optional)
(p )
SPI Bus
SPI Bus
SPI BIOS
Embedded
Controller
SDIO
MDI
PCIe x1
SMBus
bit GPIO8
-
T
SPI Flash BIOS
NXP
PTN3460
Intel Atom
E3900 Series
DDR3L
DDR3L
DDR3L
DDR3L
Intel
I210AT or
I210IT
DDR3L
DDR3L
DDR3L
DDR3L
iTE
IT8528VG
SSD
(optional)
B110
B1
A110
A1
COM Express connector
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Chapter 3
Mechanical Diagram
AL9A3 Module with Heat Sink
Side View of the Module with Heat Sink and Carrier Board
AL9A3 Module
20.00
16.50
2.00
85.00
60.00
20.00
Standoff
Module PCB
Heatsink
Bottom View
Top View
84.00
55.00
80.00
51.00
4.00
0.00
0.00
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Chapter 3
System Memory
The system board is equipped with eight DDR3L memory chips onboard.
• 4GB/8GB DDR3L memory down
• Supports DDR3L 1600MHz
• Supports dual channel memory interface
Important:
Electrostatic discharge (ESD) can damage your board, processor, disk drives, add-in
boards, and other components. Perform installation procedures at an ESD workstation
only. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the system chassis. If
a wrist strap is unavailable, establish and maintain contact with the system chassis
throughout any procedures requiring ESD protection.
System Memory
Top View
DDR3L
Bottom View
DDR3L
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Chapter 3
Connectors
COM Express Connector
The COM Express connector is used to interface the AL9A3 COM Express board to a carrier
board. Connect the COM Express connector (located on the solder side of the board) to the
COM Express connector on the carrier board.
Refer to the “Installing AL9A3 onto a Carrier Board” section for more information.
Refer to the following pages for the pin functions of the connector.
COM Express Connector
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Chapter 3
COM Express Connector
A1 GND B1 GND
A2 GBE_MDI3- B2 GBE_ACT# / 3.3V Suspend
A3 GBE_MDI3+ B3 LPC_FRAME#
A4 GBE_LED_100- / 3.3V Suspend B4 LPC_AD0
A5 GBE_LED_1000- / 3.3V Suspend B5 LPC_AD1
A6 GBE_MDI2- B6 LPC_AD2
A7 GBE_MDI2+ B7 LPC_AD3
A8 GBE_LED_LINK- / 3.3V Suspend B8 LPC_DRQ0#
A9 GBE_MDI1- B9 LPC_DRQ1#
A10 GBE_MDI1+ B10 LPC_CLK
A11 GND B11 GND
A12 GBE_MDI0- B12 PWRBTN# / 3.3V Suspend
A13 GBE_MDI0+ B13 SMB_CK / 3.3V Suspend
A14 NA B14 SMB_DAT / 3.3V Suspend
A15 SUS_S3# B15 SMB_ALERT# / 3.3V Suspend
A16 SATA0_TX+ B16 SATA1_TX+
A17 SATA0_TX- B17 SATA1_TXA18 SUS_S4# B18 SUS_STAT#
A19 SATA0_RX+ B19 SATA1_RX+
A20 SATA0_RX- B20 SATA1_RXA21 GND B21 GND
A22 USB_SSRX0- B22 USB_SSTX0A23 USB_SSRX0+ B23 USB_SSTX0+
A24 SUS_S5# B24 PWR_OK
A25 USB_SSRX1- B25 USB_SSTX1A26 USB_SSRX1+ B26 USB_SSTX1+
A27 BATLOW# / Pull up 4.7kohm to 3.3V Suspend B27 WDT / Pull up 10k ohm to 3.3V
A28 ATA_ACT# / Pull up 10kohm to 3.3V Suspend B28 NA
A29 AC/HDA_SYNC / 3.3V Suspend B29 NA
A30 AC/HDA_RST# / 3.3V Suspend B30 AC/HDA_SDIN0
Row A Row B
Row A Row B
A31 GND B31 GND
A32 AC/HDA_BITCLK / 3.3V Suspend B32 SPKR
A33 AC/HDA_SDOUT / 3.3V Suspend B33 I2C_CK / 3.3V Suspend
A34 BIOS_DIS0# B34 I2C_DAT / 3.3V Suspend
A35 THRMTRIP# / 3.3V Suspend B35 THRM#
A36 USB6- B36 USB7A37 USB6+ B37 USB7+
A38 USB_6_7_OC# / 3.3V Suspend B38 USB_4_5_OC# / 3.3V Suspend
A39 USB4- B39 USB5A40 USB4+ B40 USB5+
A41 GND B41 GND
A42 USB2- B42 USB3A43 USB2+ B43 USB3+
A44 USB_2_3_OC# / 3.3V Suspend B44 USB_0_1_OC# / 3.3V Suspend
A45 USB0- B45 USB1A46 USB0+ B46 USB1+
A47 VCC_RTC B47 EXCD1_PERST#
A48 EXCD0_PERST# B48 EXCD1_CPPE#
A49 EXCD0_CPPE# B49 SYS_RESET# / Pull up to 3.3V Suspend
A50 LPC_SERIRQ B50 CB_RESET# / Pull up to 3.3V Suspend
A51 GND B51 GND
A52 NC (Option I2C_CLK_EC) B52 NC (Option COMe_GPI5)
A53 NC (Option I2C_DATA_EC) B53 NC (Option COMe_GPO5)
A54 GPI0 B54 GPO1
A55 NC (Option COMe_GPI4) B55 NC (Option COMe_GPI6)
A56 NC (Option COMe_GPO4) B56 NC (Option COMe_GPO6)
A57 GND B57 GPO2
A58 PCIE_TX3+ B58 PCIE_RX3+
A59 PCIE_TX3- B59 PCIE_RX3A60 GND B60 GND
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Chapter 3
Row A Row B
A91 SPI_POWER / 3.3V Suspend B91 NA
A92 SPI_MISO / 3.3V Suspend B92 NA
A93 GPO0 B93 NA
A94 SPI_CLK / 3.3V Suspend B94 NA
A95 SPI_MOSI / 3.3V Suspend B95 DDI0_DDC_AUX_SEL
A96 NA B96 NC / USB_HOST_PRSNT 3.3V (option)
A97 TYPE10# / Pull down 47k ohm to GND B97 SPI_CS# / 3.3V Suspend
A98 SER0_TX B98 DDI0_CTRLCLK_AUX+
A99 SER0_RX B99 DDI0_CTRLDATA_AUXA100 GND B100 GND
A101 SER1_TX B101 FAN_PWMOUT
A102 SER1_RX B102 FAN_TACHIN
A103 LID# B103 SLEEP#
A104 VCC B104 VCC
A105 VCC B105 VCC
A106 VCC B106 VCC
A107 VCC B107 VCC
A108 VCC B108 VCC
A109 VCC B109 VCC
A110 GND B110 GND
Row A Row B
A61 PCIE_TX2+ B61 PCIE_RX2+
A62 PCIE_TX2- B62 PCIE_RX2A63 GPI1 B63 GPO3
A64 PCIE_TX1+ B64 PCIE_RX1+
A65 PCIE_TX1- B65 PCIE_RX1A66 GND B66 WAKE0#
A67 GPI2 B67 WAKE1#
A68 PCIE_TX0+ B68 PCIE_RX0+
A69 PCIE_TX0- B69 PCIE_RX0A70 GND B70 GND
A71
LVDS_A0+ /
eDP_TX2+ (option)
B71 DDI0_PAIR0+
A72
LVDS_A0- /
eDP_TX2- (option)
B72 DDI0_PAIR0-
A73
LVDS_A1+ /
eDP_TX1+ (option)
B73 DDI0_PAIR1+
A74
LVDS_A1- /
eDP_TX1- (option)
B74 DDI0_PAIR1-
A75
LVDS_A2+ /
eDP_TX0+ (option)
B75 DDI0_PAIR2+
A76
LVDS_A2- /
eDP_TX0- (option)
B76 DDI0_PAIR2-
A77
LVDS_VDD_EN /
eDP_VDD_EN (option)
B77 NA
A78 LVDS_A3+ B78 NA
A79 LVDS_A3- B79
LVDS_BKLT_EN /
eDP_BKLT_EN (option)
A80 GND B80 GND
A81
LVDS_A_CK+ /
eDP_TX3+ (option)
B81 DDI0_PAIR3+
A82
LVDS_A_CK- /
eDP_TX3- (option)
B82 DDI0_PAIR3A83
LVDS_I2C_CK /
eDP_AUX+ (option)
B83
LVDS_BKLT_CTRL /
eDP_BKLT_CTRL (option)
A84
LVDS_I2C_DAT /
eDP_AUX- (option)
B84 VCC_5V_SBY
A85 GPI3 B85 VCC_5V_SBY
A86 NA B86 VCC_5V_SBY
A87 eDP_HPD B87 VCC_5V_SBY
A88 PCIE0_CLK_REF+ B88 BIOS_DIS1#
A89 PCIE0_CLK_REF- B89 DD0_HPD
A90 GND B90 GND
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