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1.5 Expansion Slots (M.2 Slots)
ere are 2 M.2 slots on this motherboard.
M.2 for SSD: Key B (M2_B1) (3042) PCIe x1 and shared SATA3 for SSD, USB 3.0, and USB
2.0.
M.2 for Wi-Fi: Key E (M2_E1) (2230) supports with PCIe x1 and USB 2.0 for Wireless.
M.2 Key-B Socket (M2_B1) M.2 Key-E Socket (M2_E1)
Pin Signal Signal Pin
1 NA +3.3V 2
3 GND +3.3V 4
5 GND FuLL_Card_Power_off 6
7 USB_D+ W_DISABLE 8
9 USB_D- WWAN_LED# 10
11 GND
21 NA NA 20
23 NA NA 22
25 NA NA 24
27 GND NA 26
29 USB3_RX- NA 28
31 USB3_RX+ UIM_RESET 30
33 GND UIM_CLK 32
35 USB3_TX- UIM_DATA 34
37 USB3_TX+ UIM_PWR 36
39 GND NA 38
41 PERn0/ SATA-B+ SMB_CLK 40
43 PERp0/ SATA-B- SMB_DATA 42
45 GND NA 44
47 PETn0/ SATA-A- NA 46
49 PETP0/ SATA-A+ NA 48
51 GND PERST# 50
53 PEFCLKn CLKREQ# 52
55 PEFCLKp WAKE# 54
57 GND NA 56
59 NA NA 58
61 NA NA 60
63 NA NA 62
65 NA NA 64
67 NA SIM Detect 66
69 PEDET NA 68
71 GND +3.3V 70
73 GND +3.3V 72
75 NA +3.3V 74
Pin Signal Signal Pin
1 GND +3.3V 2
3 USB_D+ +3.3V 4
5 USB_D- NA 6
7 GND NA 8
9 NA NA 10
11 NA NA 12
13 GND MODEM_CLKREQ 14
15 NA NA 16
17 NA GND 18
19 GND NA 20
21 NA CNV_BRI_RSP 22
23 NA
33 GND NA 32
35 PETp NA 34
37 PETn NA 36
39 GND NA 38
41 PERp NA 40
43 PERn NA 42
45 GND NA 44
47 PEFCLKp NA 46
49 PEFCLKn NA 48
51 GND SUSCLK 50
53 CLKREQ# PERST0# 52
55 WAKE# W_DISABLE1# 54
57 GND W_DISABLE2# 56
59 NA SMB_DATA 58
61 NA SMB_CLK 60
63 GND NA 62
65 NA NA 64
67 NA NA 66
69 GND NA 68
71 NA NA 70
73 NA +3.3V 72
75 GND +3.3V 74
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