3.5"-SBC-APL V2.0 - User Guide, Rev. 2.2
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7.14.
NGFF M.2 Key B Socket (CON1)
The 3.5"-SBC-APL V2.0 supports M.2 modules in format 2242 with Key B. The M.2 specification enables one SATA3.0
(6 Gb/s), one USB2.0 and SIM-card socket to be exposed through the same slot. The SIM-card socket makes it
possible to use a 3G/4G-wireless modem in this M.2 slot. For the model with three USB 2.0 ports support (via optional
pin header CN26 for an additional USB 2.0 port), the M.2 Key B does not support USB 2.0 signals.
Figure 27: NGFF M.2 Key B Slot Connector CON1
SATA M.2 requires the following BIOS depending on the class code options below.
M.2 SSD
Boot
Storage
SATA M.2 SSD
Supported
Supported
Table 42: Pin Assignment CON1
Pin
Signal
Note
1
CONFIG3
2
+3.3V
3
GND
4
+3.3V
5
GND
6
FULL CARD PWR OFF
7
USB-D+
8
W DISABLE#1
9
USB-D-
10
GPIO9
11
GND
12
KEY B
13
KEY B
14
KEY B
15
KEY B
16
KEY B
17
KEY B
18
KEY B