23
Chapter 5 Ports and Connectors
Chapter 5
2
M.2 Type 2242
(PCIe/USB/SATA)
Mini PCIe
(PCIe/USB/SATA)
M.2 Type 2230
(PCIe/USB)
SPI ROM
JP1 JP7
1 1
PCIe/SATA
Battery
1
Clear CMOS
JP6
1
1
Mini-PCIe/mSATA JP2, JP3
1
JP2
JP3
Auto power-on
LEDs (top side)
Standby Power LED
Standby Power LED
This LED will blink when the system is in the standby mode. It indicates that there is power
on the system board. Power off the system and then unplug the power cord prior to installing
any devices. Failure to do so will cause severe damage to the motherboard and components.
HDD LED
The HDD LED will be lit when the storage device (i.e., Mini PCIe or M.2 slot) is being ac-
cessed.
HDD LED
The lithium ion battery powers the real-time clock and CMOS memory. It is an auxiliary source
of power when the main power is shut off.
Safety Measures
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommend by the manufacturer.
• Dispose of used batteries according to local ordinance
.
Battery (bottom side)
Battery (J7)
Connect to the battery connector
Battery
1
GND
2
Battery
Reset
Power
DDR4
LAN
1
COM 2
LINE-out
Mini DP
(or Micro HDMI)
Intel
WGI211AT
JP9
LAN
1
USB 3.0
USB 2.0
LAN 2
LAN 1
COM 1
MIC-in
DVI-D
Buzzer
DDR4
DDR4
DDR4
E3900 Series
Intel Atom
®
Intel
WGI211AT
Realtek
ALC262
JP8
COM 2/DIO
JP8, JP9
SMBus (J19)
USB 2.0 (J3)
1
5
6
1
Power on/off (J11)
Standby LED
1
1
1
5
3
3
12
12
10
10
HDD LED
10
Mini DP
(or Micro HDMI)
