Boot Configuration - Geniatech DB8 Manual

12 Boot configuration

There is a 4 switch Dip Switch marked S1 located at the carrierboard. For normal operation, all four switches need to be
set to the 'off' position.
Switch 1, 'HUB_SEL', when set to 'on' position, will force boot over USB connection with a PC. This is only required for
UFS boot image upgrade. Please review the proper OS User Guide for more information on this process.
Switch 2, SD BOOT', when set to 'on' position, will force the µSD, J24, to serve as the boot source for the DB8. You can use
uSD as the main boot source or it can serve as a method for UFS boot image upgrade. Please review the proper OS User
Guide for more information on this process.
Switch 3, 'SW Download Target Memory', when set to 'on' position, will force SW download/flashing to the µSD card, J24
When set to 'off' position, SW download will route to the UFS memory.
Switch 4, 'USB BOOT', when set to 'on' position, selects USB Port 0 for EDL download mode. Please review the proper OS
User Guide for more information on this process.
37