Kontron mITX-SKL-H, User Manual

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mITX-SKL-H – User Guide, Rev.1.1
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8.15.3. M.2 (J18)
The mITX-SKL-H supports M.2 via one socket 3, M key, 2280 slot (J18). The M.2 specification enables four PCIe 3.0
lanes and one SATA 3.0 (6 Gb/s) to be exposed through the same slot. The M.2 option is only available for specific
part numbers.
PCIe M.2 and SATA M.2 require the following BIOS depending on the class code options below.
M.2 SSD Boot Storage
PCIE M.2 SSD with NVME class code
Supported Supported
PCIE M.2 SSD with AHCI class code
Not supported Supported
SATA M.2 SSD
Supported Supported
Table 32: Pin Assignment M.2 (J18)
Pin Signal Type Note
1
M2_Config_3 O
2
V_3V3_M2 PWR
3
GND PWR
4
V_3V3_M2 PWR
5
PCIE12_RX- O
6
NC
7
PC O
8
NC
9
GND PWR
10
NC
11
PCIE12_TX- I
12
V_3V3_M2 PWR
13
PC I
14
V_3V3_M2 PWR
15
GND PWR
16
V_3V3_M2 PWR
17
PCIE11_RX- O
18
V_3V3_M2 PWR
19
PC O
20
NC
21
GND PWR
22
NC
23
PCIE11_TX- I
24
NC
25
PC I
26
NC
27
GND PWR
28
NC
29
PCIE10_RX- O
30
NC
31
P O
32
NC