bushing
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Posts posted by bushing
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Nope, it's a pdf you can download. The AVIC-D1 manual is 33mb, 276 pages, very interesting.
For example, it turns out that the pin we ground to bypass the lockout is identified as "KMODE", and there's a note that says 'K mode is for develop [sic] use. K mode status must be "OFF" for normal operation.'
Warning screen bypass on the AVIC-D2
in Hacks/Mods
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Thanks for posting the instruction set documentation -- I'm going to try to write a V830 processor module plugin for IDA Pro, and will be happy to share my results. (There was talk on a thread on another board (http://cl.acurazine.com/forums/showthread.php?t=169301) that mentioned using IDA Pro, but as far as I can tell it was in error -- the latest version does NOT have support for this chip.)
FWIW, the service manual for the D1 breaks the files out as follows:
UC050BOT.USA: Bootloader
UC050SYS.USA: System Software / OS
UC050GPS.PRG: GPS firmware
EU050APL.PRG: Application code (loaded into SDRAM)
UC050DAT.USA: Language data
Any one know where we can find that bootloader, and does anyone know where the nag message is stored? (as a bitmap, as text?)
-b