There was a long delay in booting screen of MSI H61M-P23 (B3) mainboard when the CarPC JoyCon Exr was connected.
This Boot trouble with CarPC JoyCon Exr and Intel H61/H76 chipset mainboard(include Asus P8H67-I Deluxe, MSI H61M-P23) has solved.
Firmware later than 120331 version and JoyCon Expolorer later than 120331 version is required to solve this problem.
Click the “Mainboard Compatibility” button.
Check “Chipset H61/H67” option.
Intel H61/H76 chipset mainboard boot trouble will be solved.