Slot, A-Key; Figure 3-11: M.2 A-Key Slot Location - IEI Technology WAFER-ULT5 Manual

3.2.9 M.2 Slot, A-key
CN Label: M2_A1
M.2 A-key slot
CN Type:
CN Location: See Figure 3-10
CN Pinouts: See Table 3-11
The M.2 slot is keyed in the A position and accepts 2230 size of M.2 modules. The M.2
slot supports PCIe x2 and USB 2.0 signals.
Figure 3-10: M.2 A-key Slot Location
Pin Description
1 GND
3 USB+
5 USB-
7 GND
9 Module Key
11 Module Key
13 Module Key
15 Module Key
17 NC
19 NC
21 NC
23 GND
25 NC
27 NC
29 GND
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WAFER-ULT5 SBC
Pin Description
2 +V3.3A
4 +V3.3A
6 NC
8 Module Key
10 Module Key
12 Module Key
14 Module Key
16 NC
18 GND
20 NC
22 NC
24 GND
26 NC
28 NC
30 GND