120 ohm Termination Resistor
There is a permanent 120 ohm termination resistor soldered to the board, no need to add a jumper to enable it and also no ability to disable it.
BOOT Mode
To put the PITB V1.0 into BOOT mode for initial flashing, unplug the main CAN cable then connect a USB cable from your Pi to the USB-C port of the PITB V1.0.
Then hold the BOOT SEL button, press and release the RST button, count to five then release the BOOT SEL button.