08-24-2009, 09:29 AM
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#1 (permalink)
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A True Z Fanatic
Join Date: Mar 2009
Location: Houston, TX
Posts: 4,024
Drives: too slow
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Quote:
Originally Posted by FricFrac
My understanding is that UpRev actually runs their own OS on the Nissan hardware rather than just putting a new map in. Pretty sure that's what was said earlier in this thread....
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Yes, this is effectively what they're doing. They're replacing the factory software with their own replacement software. The biggest advantage they derive from this: if you just "change maps" the simpler way, any time you want to swap maps you have to reflash the map. In their version of the software, you can flash multiple maps into the car at once, and then their software can pick and choose which to load into working memory and use at any given time on the fly, which allows the cruise-control map-switching on their previous generation efforts. Sounds like they may be doing the map-switching differently for the VQ37 though, perhaps by using our left-side info display.
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