Recovering a "doorstopped" modem

Patrick McNamara <wpmcnamara-/[email protected]>
Newsgroups gmane.linux.uclinux.actiontec
Message-ID <[email protected]>
I was able to recover a dead modem.  I will put this info on the wiki 
later.  I'm about to leave for dinner but I wanted to get everyone the 
info before I left.  You will need to make a USB cable for the modem.  
The instructions have been sent out on the list and I'll get them in the 
wiki later.  Once you have a cable, make just J1 is jumpered and power 
the modem on.  If the cable is good, the device will be enumerated by 
the OS.  Once you have verified the cable, here is what you need to do.

You need to get the flash program from here:  
http://dtmf.com.ar/tainet/flash.exe
You need to get this zip package and extract flash.bin:  
http://shonky1.customer.netspace.net.au/BILLION_DOS_RECOVERY_B100D.zip

Make a DOS bootable disk (floppy or CD) and put flash.exe, flash.bin, 
and boot_ldr.bin (from actiontec) on the disk.  Boot to DOS.  You will 
need to copy the files to a writable location if you booted from CD.  
The flash program creates a temp file.  Now with the modem connected, 
run the following

flash boot_ldr.bin 0x0 /u /dumb

This will reload the bootloader into flash.  From here you can use the 
recovery procedure noted at the bottom of this page:  
http://www.embeddedlinuxinterfacing.com/wiki.php/BootloaderNotes

 Patrick M
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