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3.3.7 M.2 3042 Socket 2 Key B SSD/WWAN Slot
M.2 SSD/WWAN Slot (Socket 2 Key B type 2260/3042)
Pin
Signal
1
CONFIG_3
3
GND
5
GND
7
USB_P2+
9
USB_P2-
11
GND
21
CONFIG_0
23
WAKE_ON_WWAN#
25
---
27
GND
29
USB_SSRX2-
31
USB_SSRX2+
33
GND
35
USB_SSTX2-
37
USB_SSTX2+
39
GND
41
SATA_Rx0+
43
SATA_RX0-
45
GND
47
SATA_TX0-
49
SATA_TX0+
51
GND
53
---
55
---
57
GND
59
---
ADLER
ADLER User Manual - Rev. First Edition: 1.0 - Last Edition: 1.2 - Author: A.R./S.B. - Reviewed by M.B. Copyright © 2022 SECO S.p.A.
CN14
Pin
Signal
2
+3.3V_ALW
4
+3.3V_ALW
6
PWR_OFF#
8
KEYB_W_DISABLE1#
10
---
20
---
22
---
24
---
26
KEYB_W_DISABLE2#
28
---
30
UIM_RST#
32
UIM_CLK
34
UIM_DATA
36
UIM_PWR
38
---
40
---
42
---
44
---
46
---
48
---
50
PLT_RST#
52
---
54
---
56
---
58
---
60
---
The mass storage capabilities of the ADLER board
are completed by an M.2 SSD Slot, which allow
plugging M.2 Socket 2 Key B Solid State Drives.
The same slot can be used alternatively for the
connection of Connectivity modules, using USB
3.0 interface.
The connector used for the M.2 SSD slot is CN14,
which is a standard 75 pin M.2 Key B connector,
type LOTES p/n APCI0087-P001A, H=8.5mm,
with the pinout shown in the table on the left.
On the ADLER board there is also a Threaded Spacer which allows the placement
of M.2 Socket 2 Key B SSD or WWAN modules in 2260 or 3042 size.
61
---
63
---
65
---
67
---
69
CONFIG_1
71
GND
73
GND
75
CONFIG_2
Signal Description
USB_P2+ / USB_P2-: USB Port #2 differential pair; it is managed by the processor's
xHCI controller.
WAKE_ON_WWAN#: Board's Wake Input, 1.8V_ALW active low signal with 100kΩ
pull-up resistor. It must be externally driven by the Connectivity module plugged in
the slot when it requires waking up the system (functionality not yet supported by the
BIOS).
USB_SSRX2+/USB_SSRX2-: USB Super Speed Port #2 receive differential pair; it
is managed by xHCI controller
62
---
64
---
66
UIM_DETECT
68
---
70
+3.3V_M2
72
+3.3V_M2
74
+3.3V_M2
32
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