Modding Avic-N1/N2 Nav DVD’s

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Ballerinstaller

Copper - Posts: 58

Joined: May 18, 2005

Location: United States

Posted: March 11, 2006 at 10:43 AM / IP Logged

No luck with the kwi files yet. I'd stay away from changing the amount of memory in the unit as the main program will probably have to be modified to accomodate the extra memory as all the stack pointers and the memory map would have to be changed. I did not look to see if the part is a SMT or a BGA either. The firmware does make reference to a memory card slot. Anybody know about if a card slot exists inside of this machine or perhaps a open connector for additional memory may be connected through another device?

I know that present memory devices have grown exponentially and outfitting this unit with a gig of memory is now a reality. Who knows?

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Datwo

Member - Posts: 48

Joined: February 01, 2005

Posted: March 12, 2006 at 6:23 AM / IP Logged

Some info I found...

http://www.cadillacfaq.com/faq/answers/pdf/nav-dvd-structure.pdf

xstephenx

Member - Posts: 9

Joined: March 12, 2006

Location: United States

Posted: March 12, 2006 at 7:12 PM / IP Logged

I finally got a seeder, I will continue seeding as long as other people need it, just post if you still need someone to seed.

free_refil

Copper - Posts: 72

Joined: November 10, 2005

Location: United States

Posted: March 12, 2006 at 8:57 PM / IP Logged

Sorry about the seeding guys. I've been having a lot of power outages for the past 3 days that's making my modem go bizerk! I'll continue to seed. The wife is off this week for spring break so I'm going to have to limit my daytime up speed to 40k. At night time it will be an unlimited 2MB though...

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Datwo

Member - Posts: 48

Joined: February 01, 2005

Posted: March 13, 2006 at 1:49 AM / IP Logged

I am seeding the west disk.

Here is the datasheet on the processor in the N1. Its not the UPD705103 buts its the same family. There are no datasheets on the UPD705103 that I could find. I will be working on disassembling some files on the 50Mt version as soon as I can get some time. I would really like to figure out how to disable the lockout as well as read and edit POIs and map data. Anyone that is able the help on this feel free.

http://pdf1.alldatasheet.com/datasheet-pdf/view/7001/NEC/UPD705102.html

Datwo

Member - Posts: 48

Joined: February 01, 2005

Posted: March 13, 2006 at 2:27 AM / IP Logged

NEC's V830 seams to be the core instruction set. Here is some more info on this....

http://www.ee.nec.de/_pdf/U10064EJ3V0UM00.PDF

wrecklesswun

Member - Posts: 46

Joined: January 20, 2006

Posted: March 13, 2006 at 8:32 AM / IP Logged

I will have an N1 and N2 available soon...i have a 5.2 mgpixel cam so hopefull yi can take pics

Datwo

Member - Posts: 48

Joined: February 01, 2005

Posted: March 13, 2006 at 1:35 PM / IP Logged

As far as I know it should work in the N2. Not sure about the bypass however. Give it a shot. If it doesnt work, downgrade back. Any chance of putting up the CNDV-60M west coast disk on a torrent?

alfonse225

Member - Posts: 6

Joined: February 24, 2006

Location: United States

Posted: March 13, 2006 at 1:54 PM / IP Logged

Does anyone have the CNDV-40R discs, or even cndv-20? I'm still using a remote control system (avic-90), and someone sat on my disc, breaking it Modding Avic-N1/N2 Nav DVD’s - Page 18 -- posted image.

Modding Avic-N1/N2 Nav DVD’s - Page 18 -- posted image.

Datwo

Member - Posts: 48

Joined: February 01, 2005

Posted: March 13, 2006 at 2:44 PM / IP Logged

wrecklesswun, how soon is soon? Photos will be a big help to me (us) on this project. Please be sure to write down all chip numbers that you can find.

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