The bootstrap code is the small program pushed into the radio via xmodem when it's in bootstrap mode to talk to the SRIB and enable flashing the firmware. The SRIB runs it's own firmware and gets a firmware update every time it's run if needed. Select the firmware CVN file for your radio, and then ensure the bootstrap code and SRIB software is selected. You will go to depot and flash radio this will bypass the iButton check. Mototools is a program that can read and write the code plug in binary format directly to the radio.
This will allow you to recover it if needed. It's suggested you backup your radio with mototools in binary format and save the CPS codeplug too. Open the CPS and test that you can read and write the radio codeplug, and the flashport config. Install Unzip the firmware files and have them ready. You cannot have the regular CPS installed with the Depot CPS, so remove that first if you need to. Install the Depot CPS, and ensure you do a custom install without the tutorials. This is reversed from all other RIB power supplies, and you must ensure you use the SRIB with a center negative supply.Īdditionally you will need a DE9M to DE9F cable to connect the radio the PC and the full test/programming cable for the radio. If you fuck this up, it will fry the SRIB. READ THIS: The SRIB requires a 9v power supply Center Negative on the DC jack. You may need to open it up to verify this. NOTE: you must ensure your SRIB is a version D or later, as this has the larger SRAM chip that support the 1 meg radios. The CPS will write the firmware to the SRIB and then the SRIB will handle writing it to the radio once the CPS puts the radio in bootstrap mode. This is not only a level converter for TTL to serial, but contains a flash memory that will write the firmware to the radio.
You will need an SRIB or Smart-Radio Interface Box. This is the laptop that just works, and it is modern enough to still "surf the web". As of 2021 the D620/630/820/830 are going on ebay with 32bit XP and 2-4gb of ram for 100 dollars. You will need a windows XP 32 bit computer with a real serial port.
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