HELP please i just got sansa c240 and i cant get bootloader to work for rockbox

[pixelma]

Oops, I'm really really sorry because I was the one who didn't read thoroughly (drew the conclusion about recovery mode too quickly, I only tried it once and didn't think about which button I had to held   )

At least you could figure out what was going on with the helpful info and link to the sandisk site from skaos. Thanks for starting to gather chip information, the better place for it would probably be the wiki though.

P.S. I'll point someone with the power to put a warning on the frontpage to this thread.

[Bagder]

Given that that you noble_rogue is the first user here with a c200 v2, can you check the photos of the regular c200 v1 and see if you can figure out a useful way to visually detect differences between v1 and v2?

Do you know if there's a firmware (mi4 + BL) available for the v2 anywhere?

Other than that, we really prefer actual photos of the circuits to better work out exactly what they are.

The SanDisk *-1024 ones are likely to be NAND flashes

The EMST is likely to be SDRAM

The other SanDisk is interesting, can it be NOR flash or is it a SanDisk-branded (PP-based?) soc?

[skaos]

Anythingbutipod has just disassembled the Sansa Clip where the SoC is marked something like (there may be a few misprints, the resolution of the photos are a bit low):

Sandisk
20-82-00133-2
S734-691090
SDC-SA216-1
Taiwan

That's similar to the C200-V2 ... I don't know if that brings you any further. It could be interesting to see how the PP-based SoC in the Sansa View is marked.

[LambdaCalculus]

Given that that you noble_rogue is the first user here with a c200 v2, can you check the photos of the regular c200 v1 and see if you can figure out a useful way to visually detect differences between v1 and v2?

Hi Bagder, I just ran down to my local Radio Shack to look for a Sansa c240, and I've noticed three visual differences between a "V1" and a "V2" c200 series on the packaging:

1) On the upper right corner of the packaging, there will be a little square with the capacity marked. Under that, it will say "Up to xxx Songs" for v1, and "xxx Songs MP3" for a V2.

2) The font on the back of the package is either the "Li'l Monsta" font on a V1, or a more generic font for V2.

3) The line "Supports Audible File Formats" will be present in the list of features for a V2.

If anyone goes to a store that displays c200s out on the floor, then inspect the packages until you can find a V1.

[MarcGuay]

P.S. I'll point someone with the power to put a warning on the frontpage to this thread.

I updated the TargetStatus and SansaC200 port pages to give a little heads up on this, hopefully people will actually read it.

[noble_rogue]

Hello all and thank you for your comments and further help,

LambdaCalculus379 -

I looked at the box of my c250 v2 (purchased at Best Buy a week ago)... what I find is
1) On the upper right hand corner... "xxx songs for mp3"
and
3) "Supports Audible audio file formats" (instead of "Supports Audible file formats" as you wrote).
But
2) The font is "Li'l Monsta", even though it's a v2.

Badger -

I was doing well to take the critter apart and put it back together... and have it still work!
I really do wish I could take photos, but hopefully someone who can will be alerted and will do so.
I can say that once opened, it was glaringly obvious that the circuit board had a different layout than the v1 pictured on http://www.anythingbutipod.com/archives/2006/11/sandisk-sansa-c200-disassembled.php
Even put back together, I recall how the v2 has a black SanDisk *-1024 chip above the coppery looking element (labeled 3650) in the 3rd photo from the bottom.

The firmware, I'm not so sure about... SanDisk has an automatic firmware updater.
I was able to find a page of old sansa firmware for the v1 ...
http://files.zefie.com/PMP/sansa/c200/firmware/
but I don't think that would do me much good.

other terms -- PP based SoC, I'm not as familiar with and can't be much help with.

MarcGuay -

I saw your note on the c200 page...
might I suggest relabeling the page the Sansa c200 v1 port?

I would highly recommend making it VERY obvious to those that are thinking of getting a c200 with the thought of using Rockbox that they really need to be sure that they aren't getting a v2.
Might I suggest
*** WARNING ***  Rockbox is not currently compatible with the V2 versions of sansa c200 models.

I think it would be nice to put right there how to identify a V2 instead of having folks have to read through this thread.  (I think I'll call SanDisk tomorrow and see if there's a simply way to tell V1 from V2 by the packaging.)  Also, yes, the hardware is different... so that section of the sansac200port page at some point could use the addition of the V2 hardware information... if only to note that the V2 c200s have different hardware.


Finally, it would be nice to know if / when a c200v2 port might happen...
but for now, I'm thinking either I'm stuck with the Sansa firmware...
or I see if Best Buy has some v1s hiding in the store and make an exchange...

[skaos]

If you're able to look at the back of the player this link has a picture of the label at the back of the V2 model: http://audible.custhelp.com/cgi-bin/audible.cfg/php/enduser/std_adp.php?p_faqid=3648&p_created=1192116189&p_sid=XU6j3AOi&p_lva=&p_sp=cF9zcmNoPTEmcF9zb3J0X2J5PSZwX2dyaWRzb3J0PSZwX3Jvd19jbnQ9MiZwX3Byb2RzPTAmcF9jYXRzPSZwX3B2PSZwX2N2PSZwX3NlYXJjaF90eXBlPWFuc3dlcnMuc2VhcmNoX25sJnBfcGFnZT0xJnBfc2VhcmNoX3RleHQ9ZTIwMA**&p_li=&p_topview=1
There also is a picture of the yet to be introduced e200-V2 - wonder if this have similar hardware changes.

Googling for 20-99-00112-2 produced this page which may suggest that the c200-V2 is Telechips based: http://www.rockbox.org/twiki/bin/view/Main/SansaM200Port

[Bagder]

Interesting!

But if it would use the same Telechips as m200 (TCC770) it has an external codec, so then one of the other chips should be that...

[LambdaCalculus]

The Buyer's Guide page on the wiki has been updated to let people know about the "v2" Sansa c200s.

I think we should continue discussion of the v2 Sansa c200s in the New Ports section, since this technically does mean we need to start a new port for them.