ADLINK aTCA-6250 - Manual (Page 24)

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3.3.6 Switch And Jumper Settings
3.3.6.1 Set Blade Operation Mode
Use switch SW4 to set the Blade Operation Mode. Normal operation requires a shelf manager for the blade to
boot. Standalone mode allows the blade to boot without a shelf manager.
SW4 Blade Operation Pin 1 Pin 2 Pin 3 Pin 4
Normal Mode (default) OFF OFF OFF OFF
Standalone Mode OFF OFF ON OFF
3.3.6.2 IPMC JTAG Signal
The switch SW12 is designed for hardware debug purposes. Do not change the default settings. Doing may
result in an abnormal boot, failure to boot, and or damage to the board.
SW12 IPMC JTAG Pin 1 Pin 2 Pin 3 Pin 4
Default Setting OFF ON ON ON
3.3.6.3 Shelf/Logic Ground Jumper
Use JP2 to short Shelf Ground to Logic Ground.
Shelf/Logic GND JP2 Setting
Shorted 1-2
Open (default) 2-3
The locations of SW4, SW12 and JP2 are shown below:
SW4
JP2
SW12