ADLINK Technology LEC-BASE 2.0 Technical Reference page 7

3.10 SPI Interfaces ...................................................................................................................... 48
3.10.1 SPI0 Voltage Select (CN145) ...................................................................................... 48
3.10.2 SPI0 Flash Socket (CN146) ......................................................................................... 48
3.10.3 eSPI / SPI1 Voltage Select (CN147) ...........................................................................49
3.10.4 SPI0 Interface (CN148) ...............................................................................................49
3.10.5 SPI0 CS0/CS1 Select (CN149) ................................................................................... 49
3.10.6 eSPI / SPI1 Interface (CN150) .....................................................................................50
3.10.7 SPI0 Configuration Switch (SW51) ..............................................................................50
3.10.8 SPI1 Configuration Switch (SW52) ..............................................................................50
3.11 SD Card Power Mode Select (CN152) ................................................................................ 51
3.12 Audio Interfaces ................................................................................................................... 51
3.12.1 HDA Voltage Select (CN154) ...................................................................................... 51
3.12.2 External / Internal Mic BIAS Select (CN156) ...............................................................51
3.12.3 I2S Audio CODEC Select (CN157) ..............................................................................51
3.13 GPIO Interfaces ................................................................................................................... 52
3.13.1 GPIO 0-3 Interface (CN167) ........................................................................................52
3.13.2 GPIO 0-3 Enable (CN163) ...........................................................................................52
3.13.3 GPIO 0-3 Voltage Select (CN168) ...............................................................................52
3.13.4 GPIO 4-7 Interface (CN173) ........................................................................................53
3.13.5 GPIO 4-7 Enable (CN169) ...........................................................................................53
3.13.6 GPIO 4-7 Voltage Select (CN174) ...............................................................................53
3.13.7 GPIO 8-11 Interface (CN179) ...................................................................................... 54
3.13.8 GPIO 8-11 Enable (CN176) ......................................................................................... 54
3.13.9 GPIO 8-11 Voltage Select (CN180) ............................................................................. 54
3.13.10 GPIO5 Fan Power Management Enable (CN199) .....................................................55
3.13.11 GPIO6 Fan Tachometer Enable (CN200) ..................................................................55
3.13.12 GPIO 0-3, 2.2K PU Configuration Switch (SW68) .....................................................55
3.13.13 GPIO 4-7, 2.2K PU Configuration Switch (SW69) .....................................................56
3.13.14 GPIO 8-11, 2.2K PU Configuration Switch (SW71) ................................................... 56
3.13.15 GPIO 0-3, 10K PU Configuration Switch (SW72) ...................................................... 56
3.13.16 GPIO 4-7, 10K PU Configuration Switch (SW73) ...................................................... 57
3.13.17 GPIO 8-11, 10K PU Configuration Switch (SW74) ....................................................57
3.14 PCIe Interfaces .................................................................................................................... 57
3.14.1 PCIe A x1 (CN183) ...................................................................................................... 57
3.14.2 PCIe D x1 (CN186) ...................................................................................................... 58
3.14.3 Expansion Interface - mPCIe B (CN193) .....................................................................59
3.14.4 Expansion Interface - mPCIe C (CN188) .....................................................................59
3.14.5 mPCIe B/C CLKREQ Enable (CN205) ........................................................................59
3.14.6 PCIe Re-Driver Socket (U174) .................................................................................... 60
3.15 Miscellaneous Interfaces .....................................................................................................61
3.15.1 SMBus ClockBuffers 0-1 Connect (CN201) .................................................................61
3.15.2 Boot Select Switch (SW39) .......................................................................................... 61
3.15.3 PLL Bandwidth Configuration Switch (SW66) ............................................................. 62
Appendix A Technical Support .........................................................................................63
Table of Contents
LEC-BASE 2.0
vii