DFI EC90A-AL User manual

1
EC90A-AL Installation Guide
Package Contents
DFI reserves the right to change the specications at any time prior to the product's release. For the latest revision and details of the
installation process, please refer to the user's manual.
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• One EC90A-AL system unit
• Mounting screws for SATA drive
• Mounting screws for Mini PCIe module
• 1 Quick Installation Guide
• 1 CD disk includes:
- Drivers / Manual
Front View
Panel
HDD LED
Reset
Status LED
(green)
Mini-DP
USB 2.0 LAN 2
LAN 1
USB 3.0
Bottom View
COM 1 /DIO
DC-in 2-pin Switch
Top View

2
Removing the Chassis Cover
Please observe the following guidelines and follow the procedure to open the
system.
1. Make sure the system and all other peripheral devices connected to it have
been powered off.
2. Disconnect all power cords and cables.
3. The 9 mounting screws on the front, both sides and bottom of the system are
used to secure the cover to the chassis. Remove these screws and put them in
a safe place for later use.
Chassis screw
Chassis screw
Chassis screw
Chassis screw

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4. Lift the cover to open the system. The Mini PCIe socket is readily accessible
after removing the chassis cover.
Mini PCIe socket

4
Installing a Mini PCIe Card
The system board is equipped with 1 Mini PCIe slot that supports PCIe and USB
signals.
1. Grasp the Mini PCIe card by its edges and align the notch in the connector of
the PCIe card with the notch in the connector on the system board. Insert the
bottom edge of the card into the socket.
2. Push the Mini PCIe card down and use the provided mounting screw to secure
the card on the system board. Route the antenna(s) to the antenna holes on
side of the chassis.
Mounting Screw
Antenna Holes
Insert the card
at an angle

5
DIN-Rail Mount
The system features DIN-rail mount chassis that facilitates fast installation of the
EC90A-AL to a DIN rail.
The din-rail mount kit includes the following:
• Din-rail mount bracket
• 2 screws
1. Use the provided mounting screws to attach the din-rail mount bracket to the
rear side of the device.
2. Install the device onto the rail.
Mounting screws

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The wall mount kit includes the following:
• Two wall mount brackets
• Bracket screws
Wall Mount
1. Align the mounting holes of the wall mount bracket with the screw holes of
the system and use the provided mounting screws to secure the wall mount
brackets on both sides of the system.
Mounting Screw Mounting Screw
Mounting Screw Mounting Screw

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The following diagrams show the location and dimension of the wall moutning holes.
16
25
46
80
108
8.50
5
95.20
107.20
16
25
46
80
108
8.50
5
95.20
107.20

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Board Layout and Jumper Settings
A50001823
Note:
You cannot use the external COM Port 1 and DIO
at the same time. Please set JP1 and JP2 together.
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External COM Port 1 /
DIO Pin Select
JP1 JP2
COM (default) 1-2, 4-5, 7-8,
10-11 On
1-2, 4-5, 7-8,
10-11 On
DIO 2-3, 5-6, 8-9,
11-12 On
2-3, 5-6, 8-9,
11-12 On
eMMC
DIO
2
Intel Atom
E3900 Series
Intel I210IT
Intel I210IT
Front
Panel
15 5 1
SMBus
9 1
LPDDR4LPDDR4
Buzzer
Power
Reset
USB 2.0
1
12
1
12
JP2
19
10
2
J7
1 5
6
2
J8
1 5
62 1 2
5
6
Battery
1
1
+
DC-in
-
2
J3 J4
JP1
DIO/COM 1
Standby Power LED
1
Clear CMOS
Data (JP2)
LPDDR4LPDDR4
1
SPI Flash
BIOS
Mini PCIe
LAN 2
USB 0
USB 2.0
2
Battery
DC-in
F81803
19
10 2
COM1
LAN 1
USB 0-1
USB 3.0
Mini DP++
65
2
1