AXIOMTEK PICO50R, User Manual

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PICO50R/PICO51R Pico-ITX Board
20 Board and Pin Assignments
2.5.7 M.2 2230 Key E Connector (CN8)
The CN8 is a M.2 2230 Key E connector. It is suggested to install the M.2 wireless
module via PCIe x1 with 22mm x 30mm (width x length).
2 1
74 75
Note
Pin Signal Pin Signal
1 GND 2 +3.3V_SBY
3 USB2_DP5 4 +3.3V_SBY
5 USB2_DN5 6 NC
7 GND 8 NC
9 NC 10 NC
11 NC 12 NC
13 NC 14 NC
15 NC 16 NC
17 NC 18 GND
19 NC 20 NC
21 NC 22 NC
23 NC 24
Key E
25
Key E
26
27 28
29 30
31 32 NC
33 GND 34 NC
35 PCIE5_TXP 36 NC
37 PCIE5_TXN 38 NC
39 GND 40 NC
41 PCIE5_RXP 42 NC
43 PCIE5_RXN 44 NC
45 GND 46 NC
47 PCIE_CLKP5 48 NC
49 PCIE_CLKN5
50 SUSCLK
(+3.3V Level)
51 GND
52 PLTRST_2_N
(+3.3V Level)
53 CLKREQ#_PCIE5
54 W_DIS2#
(+3.3V Level)
55 PCIE_WAKE_N
56 W_DI12#
(+3.3V Level)
57 GND 58 SMBDAT_3P3_SBY
59 NC 60 SMBCLK_3P3_SBY
61 NC 62 SMBALERT#_3P3_SBY
63 GND 64 NC
65 NC 66 NC
67 NC 68 NC
69 GND 70 NC
71 NC 72 +3.3V_SBY
73 NC 74 +3.3V_SBY
75 GND
After installing the M.2 Key E
card, please follow the red
arrow to screw and lock the
card. It is suggested to install
M.2 Key E card before DDR4
module on SO-DIMM
connector (CN1).