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| | |-+  Apple - Installation/Removal
| | | |-+  Nano. What are those hidden partitions for?
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Author Topic: Nano. What are those hidden partitions for?  (Read 3290 times)

Offline DeadMan

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Nano. What are those hidden partitions for?
« on: August 21, 2006, 01:46:21 PM »
I noticed when looking in computer management that there is 47mb unnallocated and 31mb allocated (Healthy) but not assigned a drive letter.

Does anyone know what they are used for? I take it I cannot use them for storing stuff on?
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Offline dcr693

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Re: Nano. What are those hidden partitions for?
« Reply #1 on: August 21, 2006, 02:19:24 PM »
I wondered about that myself, but you're probably better off asking the question on iLounge or some other iPod specific board and not the Rockbox forums.
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Offline L

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Re: Nano. What are those hidden partitions for?
« Reply #2 on: August 21, 2006, 03:49:20 PM »
Disk mode, Apple OS etc
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Offline brandun_6

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Re: Nano. What are those hidden partitions for?
« Reply #3 on: August 21, 2006, 05:21:07 PM »
Those are too small for the apple OS...
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TIMMY!

Offline L

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Re: Nano. What are those hidden partitions for?
« Reply #4 on: August 21, 2006, 07:00:48 PM »
Quote from: brandun_6 on August 21, 2006, 05:21:07 PM
Those are too small for the apple OS...

Wow, how is 47mb too small for the default firmware?
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Offline brandun_6

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Re: Nano. What are those hidden partitions for?
« Reply #5 on: August 21, 2006, 08:47:14 PM »
Ever notice that 200mb missing on your iPod......
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TIMMY!

Offline Llorean

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Re: Nano. What are those hidden partitions for?
« Reply #6 on: August 21, 2006, 08:49:20 PM »
The firmware partition is not 200mb. The "200mb" that you see missing is from the fact that they define 1 gigabyte as 1000^3 bytes instead of the 1024^3 that your computer considers it.

The Apple firmware itself is ~5mb. On 5th generation iPods, there's a second 5mb for running the Broadcom chip. The firmware partition is between 40mb and 120mb depending on which model of iPod you have. This is to store the contents of RAM when it sleeps.
« Last Edit: August 21, 2006, 08:52:17 PM by Llorean »
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Offline L

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Re: Nano. What are those hidden partitions for?
« Reply #7 on: August 21, 2006, 11:57:50 PM »
Quote from: brandun_6 on August 21, 2006, 08:47:14 PM
Ever notice that 200mb missing on your iPod......

........
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Offline brandun_6

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Re: Nano. What are those hidden partitions for?
« Reply #8 on: August 23, 2006, 02:20:26 PM »
Lol.....MY bad...I'm wondering now then on my 30GB Video iPod whats the rest of the missing space for?
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TIMMY!

Offline L

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Re: Nano. What are those hidden partitions for?
« Reply #9 on: August 23, 2006, 03:06:42 PM »
Quote from: brandun_6 on August 23, 2006, 02:20:26 PM
Lol.....MY bad...I'm wondering now then on my 30GB Video iPod whats the rest of the missing space for?

Like what Llorean said. The marketing calculation considers 1000kb as 1 MB and so 1000mb = 1gb. However, real calculation as done by the computer considers 1024 KB as 1 MB and so 1024MB = 1GB. So for every 1gb you have, you have "lost" 24mb.

Take your 30 x 24mb and also add in the firmware partition and you got it.
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Offline brandun_6

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Re: Nano. What are those hidden partitions for?
« Reply #10 on: August 23, 2006, 03:17:23 PM »
Ohhhhhhhhhh I see now.
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TIMMY!

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