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real capacity of rockchip mp4 player help
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koala121
Keen on MPx players
Keen on MPx players

USA US Oregon
PostPosted: Fri May 15, 2009 6:44 am   Post subject:  real capacity of rockchip mp4 player help Back to top 

I recently bought this mp4 player from ebay (but without the camera option)



I know it wasn't 16g before I bought it, but the price was right. I formatted it before i used it and found 8 gb, better than I hoped. However, I can't get the player to recognize the correct partition. I can move files to it and it plays fine, but it displays disk full if I try to use the record function. When I look at the properties from windows, even when it's empty, it shows just under 16gb with half of it used. I know this is from the memory hack. Is there any way to get the player to report the correct size? I tried the memory hack removal trick, but the mp3 player disk manager doesn't allow me to move the slider at all to fix the partition. Windows won't let me do anything with the partition either. I've read on here that rockchips are true to their stated capacity, but this one obviously is not. I used chip genius to verify the chip, and it reported the rockchip usb rk260x. Thanks for your help.

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lolita
MPx-a-lolics Anonymous
MPx-a-lolics Anonymous

China
PostPosted: Sat May 16, 2009 2:08 am   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 


_________________
I am no longer affiliated with Actions Semiconductor Co. Ltd. Do not ask me for firmware.
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koala121
Keen on MPx players
Keen on MPx players

USA US Oregon
PostPosted: Sat May 16, 2009 12:55 pm   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

Small problem. The numbers off the flash chip don't start with K9. It is a samsung chip, but is a K4 (according to samsung, classified as sdram)

If I'm reading it right, it's either K4S161622D-TC80 OR its K4S1G1622D-TC80

the K4S1616 would give it a 16m density X16, I'll have to assume that means 256 megs, definitely not right as I put a movie on it that's over 700 megs. the K4S1g16 would give it the 16 gigs it was advertised as. The problem with that is after I formatted the disk, it only shows just under 8 gigs usable, and the other 8 gigs are constantly full according to windows.

Can you help me? Thanks.

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lolita
MPx-a-lolics Anonymous
MPx-a-lolics Anonymous

China
PostPosted: Sun May 17, 2009 3:42 am   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

...that's not the flash. Look at the other chips.

Failing that, post a picture.

_________________
I am no longer affiliated with Actions Semiconductor Co. Ltd. Do not ask me for firmware.
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koala121
Keen on MPx players
Keen on MPx players

USA US Oregon
PostPosted: Mon May 18, 2009 2:36 am   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

for some reason, my last post didn't make it in. Anyrate, the only other chip besides the samsung and the rockchip is one that says DYNET. I'm going to have to assume this is the flash chip then. Any ideas? Is there a decoder for DYNET chips or maybe a way to manipulate this chip to show the correct capacity?

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lolita
MPx-a-lolics Anonymous
MPx-a-lolics Anonymous

China
PostPosted: Mon May 18, 2009 9:51 pm   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

Dynet is low-grade Hynix. Part numbers should be almost identical to Hynix ones.

_________________
I am no longer affiliated with Actions Semiconductor Co. Ltd. Do not ask me for firmware.
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koala121
Keen on MPx players
Keen on MPx players

USA US Oregon
PostPosted: Mon May 18, 2009 11:54 pm   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

Ok, according to the list, this dynet chip is a low level hynix. According to list, this is indeed suppose to be a 64g chip. It is listed as a X8 organization, does that mean that only 1/8th of the memory is usable in this player, or that 7/8ths of it is bad? It was advertised as a 16g player, so do you have any ideas on what is up with this flash chip? Thanks for all your help so far by the way.

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koala121
Keen on MPx players
Keen on MPx players

USA US Oregon
PostPosted: Tue May 19, 2009 10:31 pm   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

At any rate, I would appreciate it if anyone knows how to get this player to show the correct size. From what I've read, this older rockchip is harder to work with and not possible to extract the firmware from. It's no big deal if I can't use the record function, but it would be nice to get the hack removed if possible. Thanks.

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lolita
MPx-a-lolics Anonymous
MPx-a-lolics Anonymous

China
PostPosted: Wed May 20, 2009 3:27 am   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

64Gb = 8GB.

_________________
I am no longer affiliated with Actions Semiconductor Co. Ltd. Do not ask me for firmware.
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koala121
Keen on MPx players
Keen on MPx players

USA US Oregon
PostPosted: Wed May 20, 2009 3:46 am   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

figured it meant 64 gigaBIT lol. Same question however, windows shows 16gigabytes, with half used when player is completely empty, so is there a way for it to show the real capacity? Keeping in mind as I posted earlier, the disk utilities format tool doesn't work on this player, it never allows you to slide the partition anywhere. Thanks for all your considerations by the way, Lolita.

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koala121
Keen on MPx players
Keen on MPx players

USA US Oregon
PostPosted: Fri May 22, 2009 12:47 am   Post subject:  Re: real capacity of rockchip mp4 player help Back to top 

Anyone have any further thoughts on this? Any way to get this player to show the correct memory so I can use the recorder function et al? Thanks everyone.

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