ADLINK cExpress-BT2 User Manual
Page 5
cExpress-BT2
Page 5
3.3.10.
USB Root Segmentation ..................................................................................................................22
3.3.11.
SPI (BIOS only) .................................................................................................................................22
3.3.12.
Miscellaneous..................................................................................................................................23
3.3.13.
SMBus..............................................................................................................................................23
3.3.14.
I2C Bus .............................................................................................................................................23
3.3.15.
General Purpose I/O (GPIO) ............................................................................................................23
3.3.16.
Serial Interface Signals.....................................................................................................................24
3.3.17.
Power And System Management ....................................................................................................24
3.3.18.
Power and Ground ..........................................................................................................................25
3.4.
CD Signal Descriptions ........................................................................................................ 26
3.4.1.
PATA IDE ............................................................................................................................................26
3.4.2.
PCI......................................................................................................................................................26
3.4.3.
Module Type Definition.....................................................................................................................28
3.4.4.
Power and Ground ............................................................................................................................28
4.
Module interfaces ............................................................................................. 29
4.1.
Connector, Switch and LED Locations ................................................................................ 29
4.1.1.
cExpress-BT2 and the DB40 Module connected................................................................................29
4.2.
40-pin Multipurpose Connector ......................................................................................... 30
4.3.
Status LEDs.......................................................................................................................... 31
4.4.
XDP Debug Header ............................................................................................................. 32
4.5.
Fan Connector .................................................................................................................... 32
4.6.
BIOS Setup Defaults RESET Button ..................................................................................... 33
5.
Smart Embedded Management Agent (SEMA) ............................................. 34
5.1.
Board Specific SEMA Functions .......................................................................................... 35
5.1.1.
Voltages .............................................................................................................................................35
5.1.2.
Main Current .....................................................................................................................................35
5.1.3.
BMC Status ........................................................................................................................................35
5.1.4.
Exception Codes ................................................................................................................................36
5.1.5.
BMC Flags ..........................................................................................................................................36
6.
System Resources .............................................................................................. 37
6.1.
System Memory Map ......................................................................................................... 37
6.2.
I/O Map............................................................................................................................... 37
6.3.
Interrupt Request (IRQ) Lines ............................................................................................. 38
6.3.1.
PIC Mode ...........................................................................................................................................38
6.3.2.
APIC Mode.........................................................................................................................................39
6.4.
PCI Configuration Space Map ............................................................................................. 40
6.5.
PCI Interrupt Routing Map.................................................................................................. 41