SBV 5120 4mega flash ( certis/ cfg/factory mode)disable watchdog ?

[oliverfree]

Disable watchdog be ready to program ?

I need help to save my motorola SBV 5120, my first attempt to write the memory he died. Is it a failure of the black cat usb programmer? he recognized the flash normally and made ​​the recording in 4 hours 4 megabytes. Then the lights go lifeless. I used resistors 100 just so I could make reading the flash. Some help please


Con los primeros comandos lo podras salvar todo....Esto es para SBV5120.

Backup firmware
getram 90000000 100000
getram 90100000 100000
getram 90200000 100000
getram 90300000 100000
save 90000000 400000

Disable watchdog be ready to program
SBV5120 has a watchdog and need to disable to do programming.
Create file named 5120p.usp
reset
detect
program

Type command 5120p
After this your SBV5120 is ready to program and you can program it in normal speed without trigger watchdog.

Program whole firmware.
ldram 90000000
program 90000000 400000

You can use "reset" to restart the modem. You can not use "cmpram" command to check if the programming is ok when it says "DEBUG ON"

Rescue SBV5120. When box not fire up. Normal programming will not work. First need to program boot. No watchdog exist in this case
detect
ldram boot (Select proper boot file)
erase boot
sprogram boot (Slow programming)
reset
detect
ldram image0(Any tabes you have backed up)
program image0(Any tabs you want at normal speed)

 

[D3m0n]

These are commands for USBJTAGNT , they do not apply to FCUSB.

 

[oliverfree]

I know they are commands usbjtagNT, what I found interesting was the protection watchdog Recording. the black cat usb is able to do this? I believe that trying to write to flash the black cat he killed my usb modem

 

[D3m0n]

Ok i am only going to reply here , as it gets confusing running between 3 threads.

The commands in NT are different as they are read/written a different way to FCUSB , that is why NT is much faster (better as well). The watchdog command is not essential in FCUSB.
As for needing the resistors , you should not need them , the reason your device read was so quick is because the command JTAG.Debug(true) was not used.

If your backup is 100% try loading the script in the other thread and try programming that way ( minus the resistors) , I will check that script to verify the debug command is there . It will take forever though.