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ddillenger
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« Reply #90 on: September 10, 2013, 01:09:14 PM »
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Pictures?
When you said 29F200B I had assumed you meant PSOP44.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
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terok
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« Reply #91 on: September 10, 2013, 02:27:52 PM »
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terok
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« Reply #92 on: September 10, 2013, 02:37:52 PM »
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Datasheet of 29f200b KGD with die photo. Looks the same.
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kls
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« Reply #93 on: September 10, 2013, 06:29:44 PM »
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That appears to match perfectly with the flash die picture I have.
Here are two of my shots, they show enough detail to determine where the gold bonding wires go for the important sides of the processor and flash. Keep in mind the pics are taken through the liquid goo.
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terok
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« Reply #94 on: September 10, 2013, 11:46:57 PM »
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Really nice shots.
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dream3R
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« Reply #95 on: September 11, 2013, 03:24:03 AM »
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I've got Volvo haldex software bin files somewhere, probably not much help to you guys though...
It's one of my future projects to modify these but have not done any research on the matter.
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kls
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« Reply #96 on: September 11, 2013, 10:05:29 AM »
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dream3R - anything you can post may help, never know.
So we can see the connections now, so why does pulling P0L.4 appear to do nothing other then stop it from booting. I will have to experiment further however it can only be days when I have a very steady hand. Its easy to probe into the liquid but one twitch and its all over as your rip off all the bonding wires.
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jooo
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« Reply #97 on: September 11, 2013, 02:47:48 PM »
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kls:
Do we know how the rear side of the board look like? Would it be possible to reach the vias from the rear side (alls pins seems to go to vias). Then we could read the flash with flash programmer and then reverse engineer how the Communication is triggered through can-bus Connection by the siemens cpu. The top side will be difficult without the help of some very high tech Company/University with special Equipment to reach between all those tiny lines.
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kls
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« Reply #98 on: September 11, 2013, 03:05:56 PM »
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I don't think we can safely remove the board. It could be done but it means draining or sucking out the liquid gel material. If I had a dead one I'd certainly be up for it. I've replaced TSOPs and BGAs before so micro rework doesn't bother me at all, but this bare die stuff is all new to me. I also suspect we'll find very few contacts on the back side, I bet they all use internal layers.
btw the pads on the bare dies are 0.125mm center to center(yes that mm, not cm)
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« Last Edit: September 11, 2013, 03:08:18 PM by kls »
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ddillenger
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« Reply #99 on: September 11, 2013, 03:36:00 PM »
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I have an ABS module that uses the same type of goop and dies if anyone wants it for experimentation.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
Email/Google chat:
DDillenger84(at)gmail(dot)com
Email>PM
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jacob21
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« Reply #100 on: September 18, 2013, 09:05:55 AM »
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I've got Volvo haldex software bin files somewhere, probably not much help to you guys though...
It's one of my future projects to modify these but have not done any research on the matter.
These could help, please post so we can have a look. |
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terok
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« Reply #101 on: September 19, 2013, 02:20:21 AM »
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Transporter 5 gen2 controller original file.
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dream3R
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« Reply #102 on: September 19, 2013, 07:43:40 AM »
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These could help, please post so we can have a look.
Sorry, just spotted this. The the Haldex (DEM) software from my car. S60R. I can flash this controller with my tools if anyone figures this out and needs a testbed. |
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dream3R
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« Reply #103 on: September 19, 2013, 07:45:25 AM »
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Attached properly!
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jacob21
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« Reply #104 on: September 21, 2013, 06:12:33 AM »
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Transporter 5 gen2 controller original file.
Attached properly!
Thanks! So having a quick look, both are Gen 2 and use KWP2000 as the communications protocol. The VAG Gen1 box uses KWP1281. All K-line VAG stuff I've worked with, flashes over the KWP2000 channel, with various KWP1281 boxes providing a way to start a KWP2000 session. But with the Gen1 box I have no idea on how to start, or if one even exists, a KWP2000 session. If anyone has or can get any Gen1 file, VW (bin, sgo, ...), Volvo, etc., that might provide more insight. |
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