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Wiki > Main > SanDisk > SansaC100Port

Sandisk Sansa C100

Current Status

As of revision 3ba2f6e5c7, the code for this port has been removed from the main Git branch. Consider this a dead port. This page will remain only for historic purposes.


USB Boot Mode/Recovery Mode

Hold select/center button on USB connect.

Production Test Mode

Holding the lower-volume (the leftward one) button, the "options"/bottom of circle button, and pressing menu for several seconds will enable a production test mode which can be used to test the various parts of the player. It seems to me that all of the basic information we need is available in this application (button triggers, LCD info, etc). The strings used by this mode can be found in the player.rom hex file.


Files - Sansa c140/c150 Updater. American firmware updater to v1.0.0.5a. Does not work if the player already has a v2 firmware on it. - American firmware v2.0.008A.


To upgrade the firmware, the file player.rom needs to be copied to the root of the device. Upon reboot, the user is prompted to upgrade. If yes is selected, the firmware is upgraded and the file deleted from the FAT partition. A reboot is required to actually start the new firmware - the existing version will continue to run. Based on the observation that the existing firmware continues to run after a firmware update, it would seem that the firmware itself is executing from RAM, rather than executing in place from a ROM.


You can safely upload to and execute code from RAM using tcctool (pre-built Windows binary here:


000x1 - USB Plug
000x2 - Hold Switch
00x80 - Select
0x100 - Power/Menu
0x018 - Volume Up
0x028 - Volume Down
0x048 - Down Button
0x014 - Play/Pause/Up
0x024 - Right
0x044 - Left



v1 (NAND Interface)

Sansa-C140.flip_small.jpg Sansa-C140.LCD_small.jpg Sansa-C140.back_small.jpg Sansa-C140.memory_small.jpg

Larger images: | Front with LCD flipped away | Front | Back | Memory Chip |

v2 (SD/Triflash Interface)

c150-front-small.png c150-memboard-small.png c150-memboard2-small.png mystery_chip.png

Larger images: | Front | Memory Board 1 | Memory Board 2 |

Useful Links

Similar devices: LogikDaxPort, SansaM200Port, IaudioU3Info, SamsungK5Port.

Forum Thread.
CategoryFrontpage: Sandisk Sansa c100 Port Index [New Ports]

r21 - 28 Apr 2021 - 02:05:08 - RobertMenes

Parents: SanDisk
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