IEI Technology TANK-XM81 Series, User Manual

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Internal expansion products
Page 21
4.1.5 M.2 B-Key Slot
CN Label: M2_B2
CN Type:
M.2 B-key slot
CN Location:
See Figure 4-4
CN Pinouts:
See Table 4-4
The M.2 B-Key slot supports PCIe x2 interface.
Figure 4-4
:
M.2 B-key Slot Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 WWAN_CONFIG3 2 +3.3V_WWAN
3 GND 4 +3.3V_WWAN
5 GND 6 WWAN_FCP_OFF
7 USB_D+ 8 WWAN_DISABLE
9 USB_D- 10 NC
11 GND 12 Module Key
13 Module Key 14 Module Key
15 Module Key 16 Module Key
17 Module Key 18 Module Key
19 Module Key 20 PSE_I2S1_SCLK
21 WWAN_CONFIG0 22 PSE_I2S1_TXD