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Old 08-21-2011, 01:12 PM   #1
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730N "30GB" HDD really only 10GB??

Got my 2011 Sahara in April, 430N media center wasn't available so I had to get the 730N. The 30GB that I was supposedly getting only has 10.5GB available. I know that the navigation and other software take up space but almost 20GB?? Has anyone else noticed how much space their HDD has available?

Also, it does not retrieve CD and track names when I insert a CD. When I insert the same CD's into my gf's new Nissan it retrieves the info fine, on both new and copied discs. Any input would be greatly appreciated, thank you.

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Old 03-09-2012, 09:55 AM   #2
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Exclamation Check this out: 730N Owners

Anyone that has a 2012, 730N Media Center Radio should review this thread to determine if Chrysler/Jeep installed the correct radio in their vehicle or possibly had their radio swapped by the dealer:

730N Media System: Dude, Where's My 20 Gigabyte? - JKowners.com : Jeep Wrangler JK Forum

I'm posting this as a courtesy for other Jeep owners. I have no affiliation with the other forum, I'm just not going to retype all this stuff over here.

If you're affected, please start a conversation here on the issue as well, so we can get it in the public's eye.

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Old 03-09-2012, 06:23 PM   #3
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Are the maps and data for the Nav system stored on the HDD?
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Old 03-09-2012, 07:55 PM   #4
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Are the maps and data for the Nav system stored on the HDD?
I'm not 100% sure, but I believe at least some of it is and that accounts for the different drive space specs.

I was looking for it and can't remember where I saw it, but somewhere I saw a mention of a 40 gig system without nav and that radio had 28 gig free. That said, it further leads me to believe the answer to your question is yes.
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Old 03-09-2012, 08:02 PM   #5
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I'm not 100% sure, but I believe at least some of it is and that accounts for the different drive space specs.

I was looking for it and can't remember where I saw it, but somewhere I saw a mention of a 40 gig system without nav and that radio had 28 gig free. That said, it further leads me to believe the answer to your question is yes.
Right, so I would imagine the Nav maps and data takes up a huge amount of memory. There's probably also memory space allocated for the Nav system to use as RAM, and space allocated for the software to run your stored music and whatnot. Hell, the reserved space on my iPod is 6GB, and that software is nothing in comparison to a Nav unit.
Of course it's going to be advertised as total storage, not actual available, just like the iPods are. This is probably not an issue that isn't an issue with anything else with a HDD.
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Old 03-09-2012, 08:14 PM   #6
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Right, so I would imagine the Nav maps and data takes up a huge amount of memory. There's probably also memory space allocated for the Nav system to use as RAM, and space allocated for the software to run your stored music and whatnot. Hell, the reserved space on my iPod is 6GB, and that software is nothing in comparison to a Nav unit.
Of course it's going to be advertised as total storage, not actual available, just like the iPods are. This is probably not an issue that isn't an issue with anything else with a HDD.
No, if you look at the photo of my window sticker, it clearly states "40 gig hard drive with 20 gig available."

That means you owe me 20 gig of usable space.

Of course that's on the dealer site too...
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Old 03-10-2012, 09:24 AM   #7
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Hard disk label vs. actual capacity difference seems excessive... - Hard-Disks - Storage

When a Byte is not a Byte

Add in the likeliness that your NAV data is stored on the HDD as well, and you have your answer. EVERY HDD sold is like this. If you want 40GB of useable space, they're going to end up putting a 60GB unit in. Not knowing how data storage works and being ripped off are two different things.
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Old 03-10-2012, 09:28 AM   #8
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Originally Posted by Mr. Sinister

Hard disk label vs. actual capacity difference seems excessive... - Hard-Disks - Storage

When a Byte is not a Byte

Add in the likeliness that your NAv data is stored on the HDD as well, and you have your answer. EVERY HDD sold is like this.
That is true, my 16gb SD card only has 14gb of useable space. However, only 10gb of useable space on a 30gb hdd is ridiculous. I would bet that the OS takes up a couple of gigs, and there is no way the maps take up more than 5gb, they would all fit on a DVD for our suburban.
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Old 03-10-2012, 09:36 AM   #9
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IF the Nav data is stored on the HDD, which unless there is a separate DVD for it, it most likely is, that's all the maps, millions of points of interest and detailed information on them, the voice recognition system, the nav's speech system, the OS for file sorting and operation, and probably a few other things. A single dual-layer DVD can hold almost 9gb of data. 20GB lost does sound excessive, but count on an actual total capacity of 8-10 percent less than advertised (as with all HDDs), and the storage for all the Nav and file software, and it doesn't seem so incredible.

IF the Nav data isn't stored on the HDD, then yes, something is not right.
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Old 03-10-2012, 09:45 AM   #10
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Hard disk label vs. actual capacity difference seems excessive... - Hard-Disks - Storage

When a Byte is not a Byte

Add in the likeliness that your NAV data is stored on the HDD as well, and you have your answer. EVERY HDD sold is like this. If you want 40GB of useable space, they're going to end up putting a 60GB unit in. Not knowing how data storage works and being ripped off are two different things.
I really don't get what you don't understand or what your argument is: they put in 40 gig hard drives and advertise that you get 20 gig of space for a 2012, 730N radio. I'm content with the 20 gig, if I was actually getting it, which I'm not. I'm only getting 11 gig of usable space.

On the other had, from all appearances what they did in my case was put a 2011 radio with a 30 gig hard drive in my 2012 vehicle and put on my window sticker that I had a 2012 radio with a 40 gig hard drive and 20 gig of space.

How is it that you can argue with that given all the various photos and links describing these differences?

And you do realize the hard drive makers settled lawsuits years ago over the gigabytes advertised available versus gigabytes really available, right?
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Old 03-10-2012, 09:52 AM   #11
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IF the Nav data is stored on the HDD, which unless there is a separate DVD for it, it most likely is, that's all the maps, millions of points of interest and detailed information on them, the voice recognition system, the nav's speech system, the OS for file sorting and operation, and probably a few other things. A single dual-layer DVD can hold almost 9gb of data. 20GB lost does sound excessive, but count on an actual total capacity of 8-10 percent less than advertised (as with all HDDs), and the storage for all the Nav and file software, and it doesn't seem so incredible.

IF the Nav data isn't stored on the HDD, then yes, something is not right.
This website, which interestingly seems to have went down since all of this is coming out:

Google

had the operating system for these radios available for download.

The download file was slightly over 2 gig (2.18 gig in .iso format to be exact) and it was everything that goes in the radio to include NAV...
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Old 03-10-2012, 10:02 AM   #12
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So take it back to your dealer, and let them explain it. If you got short changed you got short changed. Are we only discussing your issue here? The OP does not appear to have the same problem you seem to have, and that's the problem I've addressed. You might have gotten shanghaied, the OP, probably not. So what I'm getting at is, don't assume his issue is the same as yours. Your window sticker has zero bearing on his question. I understand you're pissed, but don't let that affect what you tell others.
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Old 03-10-2012, 10:06 AM   #13
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So take it back to your dealer, and let them explain it. If you got short changed you got short changed. Are we only discussing your issue here? The OP does not appear to have the same problem you seem to have, and that's the problem I've addressed. You might have gotten shanghaied, the OP, probably not. So what I'm getting at is, don't assume his issue is the same as yours. Your window sticker has zero bearing on his question. I understand you're pissed, but don't let that affect what you tell others.
That's what this is all about: so far Chrysler is refusing to do anything about the situation.

You can read all about it, play by play here:

730N Media System: Dude, Where's My 20 Gigabyte? - JKowners.com : Jeep Wrangler JK Forum
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Old 03-10-2012, 10:16 AM   #14
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That's what this is all about: so far Chrysler is refusing to do anything about the situation.
Well, that's clearly nothing new, unfortunately. I really do hope you get some sort of resolution here. I simply want people to understand that advertised space is never actual space. Manufacturers are supposed to clarify Total and actual space in the small print (that most folks never read), but that doesn't mean Chrysler has to, since they don't manufacture the drives. Good luck.

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