Question about Casio Cassiopeia E-125 Pocket PC

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E125 MP3 Player

Hi, I have a Casio E125 and I'm trying to use it as a mp3 player, I bought a 64MB cf card and I can put my mp3's on the card but the media player doesn't play the mp3's that are on the cf card, only the ones on the onboard memory, do you know what I"m doing wrong?? When I open Windows media player, I can see a mp3 if I copied it to the onboard memory, if I put mp3's on the cf card windows media player won't even see them. Thanks Martin

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You need to have your music files in a "My Documents" folder on your CFC. If they are anywhere else, the media player will not see them.

Posted on Sep 05, 2005


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1. look on ebay for battery if anybody would sell one.
2. go to walmart look in the flash drive isle for a sandisk ultra 2 cf card 8gb about 40$ .
3. open the rio and take out the old hard drive and then find a pc to format the cf card with a cf card reader make sure to format with windows 7 in my computer and choose quick format select default allocation size and then hit start.
4. when succesfully formatted put cf drive in rio carbon.
5. then put back plate back on carbon.
6. then look here for rio carbon developers firmware
7. go to bottom of wikipedia page and click 3.04 Download link 1 and download the exe program and then run as administrater load up the firmware and then walla you have a working mp3 player again.

Sep 03, 2012 | Rio Carbon MP3 Player

1 Answer

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is that mp3 player have the facility to add memmory card... then see in the side of the player their will an space given to insert that mcardf

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1 Answer

Pearl rio carbon mp3 player 5gig

The microdrive is probably broken. Some people have claimed that if you give the sides a sharp tap then it has worked again but if this doesn't work then you probably require a new player. I have managed to replace the microdrive with a CF card in my Rio carbon, this has worked for many people may not work for you (you can read this: Replace broken hard drive with CF card if you want to try)

Hope this helps,


Oct 31, 2008 | Rio Carbon MP3 Player

1 Answer

Pocketstudio 5

A CF card is a compact flash memory card. It's rectangular and has two rows of holes along one side which fit over the connector pins when you slide the card into its socket. Compact flash cards can be bought from electronics or photographic shops, and some department stores. They are not expensive but these days they are usually 1Gb and up. The TASCAM Pocketstudio 5 can only format up to 128Mb so most of a modern card is not used but the card will still work.

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Sadly the Micro Drive based newer players/mini external HDD's Etc. use a different kind of Micro Drive to a standard CF Micro Drive. 
This comes as a result of people buying Zen Micro's and striping them as a cheap way to obtain a Micro Drive.
Only Micro Drives and CF cards designed to be installed at point of manufacture will work in a device like this, a standard CF card or off the shelf Micro Drive will not.

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Have you tried reformatting the memory? The command should be on the Erase menu.

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Memory card

Had the same problem with 64MB, but was able to use store music on 32MB and 256MB SD cards.

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Your mp3 player should be able to find and play the files from where-ever they are, but it won't be able to move them. For that some sort of file manager is needed. If you plan to use it much for mp3's you'll be getting a larger card soon too!

Sep 06, 2005 | Casio Cassiopeia E-125 Pocket PC

1 Answer


Theoretically it is possible. You would have to get/rig up a cf to ide connector. Pinouts are available on the net. Rig your hard disk in an enclosure such that your HDD from the PC is well buffered against shocks during your car ride. Personally though I feel you are asking for trouble with an extremely high probability of head crash & rendering your HDD totally unusable.

Sep 06, 2005 | Casio Cassiopeia E-125 Pocket PC

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