2242 Key B Connector (Cn7) - AXIOMTEK eBOX100-51R-FL Series User Manual

eBOX100-51R-FL Series user's Manual
3.3.4 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).
Pin Signal
1 CONFIG_3
3 GND
5 GND
7 USB_DP6
9 USB_DN6
11 GND
13
15
KEY B
17
19
21 CONFIG_0
23 GPIO11(+1.8V)
25 NC
27 GND
PCIE12_RXN/
29
SATA2_RXN_C
PCIE12_RXP/
31
SATA2_RXP_C
33 GND
PCIE12_TXN/
35
SATA2_TXN_C
PCIE12_TXP/
37
SATA2_TXP_C
39 GND
SATA3_RXP0 or
41
PCIE11_RXN
SATA3_RXN0 or
43
PCIE11_RXP
45 GND
SATA3_TXN0 or
47
PCIE11_TXN
SATA3_TXP0 or
49
PCIE11_TXP
51 GND
53 PCIE_CLKN3
55 PCIE_CLKP3
57 GND
59 NC
61 NC
63 NC
65 NC
PLTRST_2_1P8_
67
N
69 CONFIG_1
71 GND
73 GND
75 CONFIG_2
24
Pin Signal
2 +3.3V_SBY
4 +3.3V_SBY
Full Card PWR
6
OFF
8 W_DISABLE#
10 NC
12
14
KEY B
16
18
20 HDA_BCLK
22 HDA_SDO
24 HDA_SDIO
26 NC
28 HDA_SYNC
30 SPI_TPM_MISO
32 SPI_TPM_CLK
34 SPI_TPM_MOSI
36 SPI_TPM_CS_N
38 NC
SMBCLK_1P8_S
40
BY
SMBDAT_1P8_S
42
BY
SMBALERT#_
44
1P8_SBY
46 NC
48 NC
PLTRST_2_N
50
(+3.3V Level)
CLKREQ#_PCIE
52
3
54 PCIE_WAKE_N
56 HDA_RST#
58 NC
60 NC
62 NC
64 NC
66 SPI_TPM_IRQ
SUSCLK
68
(+3.3V Level)
70 +3.3V_SBY
72 +3.3V_SBY
74 +3.3V_SBY
75 74
1 2
After installing the M.2 Key B
card, please follow the red
Note
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).
Jumper & Connector Settings