DFI EC70A-KU Quick Installation Manual Download Page 4

4

Quick Installation Guide  | 

COM 1~COM 2:  

RS232/422/485

COM 4:  

RS232 or DIO

COM 3, 5 & 6: 

RS232

DC-in

1

6

1

1

1

3

1

Mini 

PCIe 

/mS
ATA

12

12

1

Reset Power

Front

Panel

(JP11)

DDR4

DDR4

DDR4

DDR4

COM 4 

(RS232/DIO)

LAN 2

LAN 1

USB 2

USB 1

USB 3.0

USB 4

USB 3

COM 3 

(RS232)

COM 2 

(RS232/422/485)

COM 1 

(RS232/422/485)

COM 6 (RS232)

USB 3.0

SPI Flash

BIOS

JP2

JP1

Battery

 

 

 

Mini 

PCIe

MIC-in

LINE-out

HDMI

1

SATA Power 

Realtek ALC888

Intel 

WGI210AT

JP3
JP4

COM4/DIO Pin Select 

COM4/DIO Pin Select  

Clear CMOS

Mini PCIe PCIe/

SATA Select

  (JP3)

 (JP4)

Auto PWR ON 

(JP1)
(JP2)

(JP7)

1

S

A

T

A

 3

.0

LED 1

SATA_2

USB 2.0 7/8

1

2

10

1

2

1

2

COM 6           COM 5

DC-in

1

2

79

80

EIO

Board Layout and Jumper Settings

RS232

RS422

RS485

6 7 8 9

1 2 3 4 5

DCD RXD TX

D

DT

R

GND

DSR RT

S

CTS RI

N.C.

N.C. N.C.

N.C.

2 4 5

3

1

7

6 8 9

RXD+

RXD-

TX

D+

TX

D-

GND

D

ATA

+

D

ATA

-

N.C. N.C. GND

2 4 5

3

1

7

6 8 9

N.C.

N.C. N.C.

N.C.

Pins

COM 4 Function

RS232

DIO 

1

DCD

DIO0

2

RXD

DIO1

3

TXD

DIO2

4

DTR

DIO3

5

GND

GND

6

DSR

DIO4

7

RTS

DIO5

8

CTS

DIO6

9

RI

DIO7

COM4/DIO Pin Select

JP1

JP2

COM4

1-2, 4-5, 7-8, 

10-11 On (default)

1-2, 4-5, 7-8, 

10-11 On (default)

DIO

2-3, 5-6, 8-9, 

11-12 On 

2-3, 5-6, 8-9, 

11-12 On

Mini PCIe/SATA Select 
(for the half-size Mini PCIe slot)

JP3

PCIe

2-3 On

SATA

1-2 On (default)

Clear CMOS

JP4

Normal

1-2 On (default)

Clear CMOS

2-3 On

Auto Power-ON

JP7

 Normal

1-2 On (default)

 Auto-PWR ON

2-3 On

DIO

0

DIO

1

DIO

2

DIO

3

GND

2 4 5

3

1

7

6 8 9

DIO

4

DIO

5

DIO

6

DIO

7

DIO

933-EC70A1-000G 

A-581-Q-2003

DFI reserves the right to change the specifications at any time prior to the product's release. 

This QIG may be based on editions that do not resemble your actual products. For the latest 

revision and more details of the installation procedure, please refer to 

https://go.dfi.com/EC70A-KU or scan the QR code on the right. 

Summary of Contents for EC70A-KU

Page 1: ... should feel resistance due to a pin on the right if the cable is not inserted correctly Angled corner Aligning side left pin Align this edge with the left side of the connector Angled corner up EC70A KU System Unit Mounting screws for SATA Mini PCIe and M 2 Extended power switch cable Package Contents COM 2 Power Button green COM 6 COM 4 Status LED blue Reset Switch COM 1 USB 2 0 VGA HDMI DP 1 HD...

Page 2: ... on the front panel and open it by uninstalling the screws Then take out the HDD tray Installing a SATA Drive Mounting Screws Mounting Screws Before working inside your system observe the following precautions 1 Make sure the system and all other peripherals connected to it have been powered off 2 Disconnect all power cords and cables 3 The 4 mounting screws on the bottom of the system are used to...

Page 3: ...ion board from the system Use a wrench or a screwdriver with a socket end to remove the fasteners used on DB 9 and VGA connectors Use a wrench to remove the hexagonal gasket Remove these screws to detach the expansion board from the main board To install a Mini PCIe or an M 2 card 1 Grasp the Mini PCIe card by its edges and align the notch of the card with the key in the connector and insert the b...

Page 4: ...RXD TXD DTR GND DSR RTS CTS RI N C N C N C N C 2 4 5 3 1 7 6 8 9 RXD RXD TXD TXD GND DATA DATA N C N C GND 2 4 5 3 1 7 6 8 9 N C N C N C N C COM4 DIO Pin Select JP1 JP2 COM4 1 2 4 5 7 8 10 11 On default 1 2 4 5 7 8 10 11 On default DIO 2 3 5 6 8 9 11 12 On 2 3 5 6 8 9 11 12 On Mini PCIe SATA Select for the half size Mini PCIe slot JP3 PCIe 2 3 On SATA 1 2 On default Clear CMOS JP4 Normal 1 2 On de...

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