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► Internal I/O Connectors
Expansion Slots
A
Mini-PCIe
B
M.2 B KEY (Optional)
C
M.2 E KEY
B
1
2
A
C
Mini-PCIe
Install Mini-PCIe cards such as network cards or other expansion cards.
M.2 Socket
The M.2 socket is the Next Generation Form Factor (NGFF) which is designed to support mul-
tiple modules and make the M.2 more suitable in application for solid-state storage.
User's Manual | EHL556
M.2 B Key (Option)
1
mini-PCIe
1
M.2 E Key
2230
USB 6-7
USB 4-5
6
5
1
1
1
2
10
2
10
1
1
9
1
9
1
1
► Internal I/O Connectors
Installing the M.2 Module
Before installing the M.2 module into the M.2 socket, please make sure that the following
safety cautions are well-attended.
1. Make sure the PC and all other peripheral devices connected to it has been powered
down.
2. Disconnect all power cords and cables.
3. Locate the M.2 socket on the system board
4. Make sure the notch on card is aligned to the key on the socket.
5. Make sure the standoff screw is removed from the standoff.
2
10
1
9
COM 1
2
10
1
9
COM 2
M.2 Module
Notch
HARDWARE INSTALLATION
► Expansion Slots
M.2 Socket
Stand-off
Chapter 2
Key
22
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