Support and General Use > Hardware
[Clip+, Clip Zip, ClipV2, FuzeV2] Improve battery life, part 2
johnb:
My notorious clip+ variant 1 (the one you provided the SDonly for):
Played fine @ 85, I stopped after 8hs.
Tried 84, but got a dc_write_callback error after 2.5h.
This means we should at least run for 3h without problems before reporting success.
Mihail Zenkov:
--- Quote from: asymsucon on January 29, 2017, 05:55:54 AM ---It's still under warranty, so I can attempt return.
--- End quote ---
In warranty can be denied since you have replaced original firmware to rockbox.
--- Quote from: asymsucon on January 29, 2017, 05:55:54 AM ---Just need a confirmation that it failed not because of our experiments, but on its own.
--- End quote ---
I do not think that these experimentation or rockbox can kill internal flash. We set lower voltages than in original - it can not burn anything.
We have many reports about porblems with internal flash memory with or without rockbox.
I have two clip zip (both 3 years old).
First used 3-6 hours everyday, internal flash often used. I do all test on it - few hundred experimental rockbox updates. It still alive without any problems.
Second player - used not so often - 1 hour per day, internal flash mostly not used at all. I rarely update rockbox on it - 10-15 times for all time. It also still work, but few month before it switch internal flash to read only mode. I just write latest rockbox on sd card and loading rockbox from sd card (as I have new bootloader on it).
Mihail Zenkov:
--- Quote from: johnb on January 30, 2017, 02:52:18 PM ---This means we should at least run for 3h without problems before reporting success.
--- End quote ---
You right, but we can rise this value later if someone report about problem.
Can you check what you have on fuze v2?
johnb:
Yes, I am at it for a while now:
my fuze variant 0 is not stable (stats increasing) at 95, so the current test uses 97.
fuze variant 1 is fine so far @ 90, but less than 2h atm.
Regarding the bootloader, do you have a version which always starts RB from the SDcard?
The mount_SDonly patch you gave me still loads the firmware from internal memory AFAIK.
saratoga:
If you have the normal bootloader installed I think bootloader USB mode should work. If you plug into USB while the player is off and the select button is held down, USB should work.
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