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Mini-PCIe socket (MPCIE1):
Serves as mSATA storage socket
Pin Description Pin Description
1 NC 2 3.3V
3 NC 4 GND
5 NC 6 NC
7 NC 8 NC
9 GND 10 NC
11 PCIe Clock_N 12 NC
13 PCIe Clock_P 14 NC
15 GND 16 NC
Mechanical key
17 NC 18 3.3V
19 NC 20 NC
21 GND 22 PCIe Reset#
23 SATA_RX_N 24 3.3V
25 SATA_RX_P 26 GND
27 GND 28 NC
29 GND 30 NC
31 SATA_TX_N 32 NC
33 SATA_TX_P 34 GND
35 GND 36 NC
37 GND 38 NC
39 3.3V 40 GND
41 3.3V 42 NC
43 GND 44 NC
45 NC 46 NC
47 NC 48 NC
49 Active#/LED 50 GND
51 NC 52 3.3V
USB connector (USBA1)
Pin Description Pin Description
1 5V 2 5V
3 USB2- 4 USB3-
5 USB2+ 6 USB3+
7 USB23GND 8 USB23GND
9 USB23GND 10 USB23GND
Security Override (JSDO23)
FLASH DESCRIPTOR SECURITY OVERRIDE WHEN HIGH
(Default Not Connect)
Port 80 (J13): This is the Port 80h, which is used as
BIOS debug port. Once the system is initialized, BIOS
will send POST (Power-On Self-Test) codes to Port 80.
If POST fails, the last generated POST code will be left
in Port 80. This is used for debug purpose. If a seven-
segment display is connected, the hexadecimal BIOS
debug code will appear.
Pin Description Pin Description
1 CLK_33M_P80 2 LPC_LAD_1
3 RST_PORT80_N 4 LPC_LAD_0
5 LPC_FRAME_N 6 3.3V
7 LPC_LAD_3 8 X
9 LPC_LAD_2 10 GND
SPIROM1:
SPI ROM pin header
Pin Description Pin Description
1 No Connect 2 No Connect
3 Dual_CS00_N 4 3.3V
5 SPI_MISO_DUAL 6 SPI_HOLD0_L
7 No Connect 8 SPI_CLK_DUAL
9 GND 10 SPI_MOSI_DUAL
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