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Internal I/O Connectors
X
Heater
LED1
LAN1
1
1
Heater and Switch
The heater box header provides 12V power to the external heater with a 2-pin pin header for
On/Off switch.
CPU Fan
1
„ Heater Box Header
Pin Assignment
1
12V
„ Heater Switch Pin Header
Pin Assignment
1
Manual Reset
User's Manual | CS551
USB 3/4 (left), 1/2 (right)
(USB 3.1
)
Note
LAN2
1
LVDS
2
9
USB 5/6 (USB 2.0)
10
SPI Flash BIOS
DIO
Pin Assignment
2
12VSB_PG_SW
DDR4_1 SODIMM
Pin Assignment
2
12VSB_PG_SW
Internal I/O Connectors
X
Expansion Slots
DP++1/2
10
Front
Audio
39
2
6
40
1
9
2
1
COM1
6
2
10
2
2
Buzzer
10
9
JP1
2
1
Nano SIM
1
1
M.2
M Key
M.2 Sockets
The M.2 socket is the Next Generation Form Factor (NGFF) which is designed to support mul-
5
1
Mini PCIe
tiple modules and make the M.2 more suitable in application for solid-state storage. The board
preserves space and two standoffs for the M.2 M Key socket (22mm x 80mm).
2
Mini PCIe
The Mini PCIe socket allows for a full-size Mini PCIe module, and supports PCIe and USB sig-
SMBus
nals.
Nano SIM (optional)
The Nano SIM socket allows for inserting a Nano SIM card for the system to access the sub-
scribed telecom service.
HARDWARE INSTALLATION
9
1
5
JP3
1
5
JP5
1
LVDS
Backlight
Power
1
SATA 3.0
SATA
Power
1
JP2
1
1
Battery
Chapter 2
M.2 M Key
Mini PCIe
26
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