AXIOMTEK PICO50R, User Manual

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PICO50R/51R Pico-ITX Board
Board and Pin Assignments 19
2.5.6 M.2 2242 Key B Connector (CN7)
The CN7 is a M.2 Key B connector. It is suggested to install the M.2 storage module via
SATA (Default) or PCIe x2 for NVMe (BOM Optional) with 22mm x 42mm (width x
length).
75 74
1 2
Note
Pin Signal Pin Signal
1 CONFIG_3 2 +3.3V_SBY
3 GND 4 +3.3V_SBY
5 GND 6 Full Card PWR OFF
7 USB_DP6 8 W_DISABLE#
9 USB_DN6 10 NC
11 GND 12
KEY B
13
KEY B
14
15 16
17 18
19 20 HDA_BCLK
21 CONFIG_0 22 HDA_SDO
23 1.8V) 24 HDA_SDIO
25 NC 26 NC
27 GND 28 HDA_SYNC
29
PCIE12_RXN/
SATA2_RXN_C
30 SPI_TPM_MISO
31
PCIE12_RXP/
SATA2_RXP_C
32 SPI_TPM_CLK
33 GND 34 SPI_TPM_MOSI
35
PCIE12_TXN/
SATA2_TXN_C
36 SPI_TPM_CS_N
37
PCIE12_TXP/
SATA2_TXP_C
38 NC
39 GND 40 SMBCLK_1P8_SBY
41
SATA3_RXP0 or
PCIE11_RXN
42 SMBDAT_1P8_SBY
43
SATA3_RXN0 or
PCIE11_RXP
44
SMBALERT#_
1P8_SBY
45 GND 46 NC
47
SATA3_TXN0 or
PCIE11_TXN
48 NC
49
SATA3_TXP0 or
PCIE11_TXP
50
PLTRST_2_N
(+3.3V Level)
51 GND 52 CLKREQ#_PCIE3
53 PCIE_CLKN3 54 PCIE_WAKE_N
55 PCIE_CLKP3 56 HDA_RST#
57 GND 58 NC
59 NC 60 NC
61 NC 62 NC
63 NC 64 NC
65 NC 66 SPI_TPM_IRQ
67 PLTRST_2_1P8_N 68
SUSCLK
(+3.3V Level)
69 CONFIG_1 70 +3.3V_SBY
71 GND 72 +3.3V_SBY
73 GND 74 +3.3V_SBY
75 CONFIG_2
After installing the M.2 Key B
card, please follow the red
arrow to screw and lock the
card. It is suggested to install
M.2 Key B card before DDR4
module on SO-DIMM connector
(CN1).