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H320 freezes/crashes

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RDP:
Hello all,

I am a longtime iRiver H320 Rockbox user, coming back to the scene after a very extended holiday. The reason I am coming back is I was made aware of the iFlash storage options, and went ahead and purchased the micro SSD Quad adapter. I now have 512gb of flash storage, and am very happy with that, however soon after the upgrade I started to experiences freezes/crashes after a few minutes of playing a track, which would only go away with a press of the reset button, but then the process would repeat. The crashes were at different times, nothing was perfectly repeatable. Out of sheer luck I have discovered how to stop the freezes/crashes, and I felt that a solution (based on the symptoms) would be to get a new battery as my original one was toast. I recently bought, and installed the new battery, but unfortunately the issue persists, so now I have run out of ideas, and turn to the group for possible assistance.

Unit will crash scenario:

Running on internal battery power.
Running on external power that is smart enough to stop charging after the battery gets full, then the H320 reverts to running off of internal battery power.


Until will not crash scenario:

By pressing the play button while inserting a specific USB external power bank I skip the USB connection routine, and can continue to use the unit while it charges. Note: this is charging by USB, not the DC connection. If I use a specific USB battery bank from my collection (not all work this way it seems) that never stops sending out a current (I shall call this a dumb battery) the unit will NEVER crash, I can go all night, not a problem, EVER. Other USB battery banks seem to try and be smart, and stop when the iRiver battery is full, then after a few minutes I will have a crash again.


I'm not sure what this presentation indicates, but I am totally stumped.

thanks in advance for any guidance,
RDP

Bilgus:
Do you have any way to measure the amperage draw of the adapter?

even if not..
what about if you only use two cards?

raidraid:
It seems like iflash units has the similar to some cheap chinese cf-sd adapters issue - random non-repeatable freeze. Mostly it occurs at 50% and below charge level (in my case). Sometimes it happened just by menu surf.
I cannot be sure will it help or not, but try to initialize and update database and then turn the "Load database to RAM" option on.

Sorry about my english - it's not native to me.

RDP:
Bilgus:

1. Can you please advise what you like me to try and check when you say "the adapter"? Is this the external USB power pack?

2. I can reduce to two cards, it will just take a while to come back to four cards later, as it takes 17 hours to load my files back. Should be able to report back in a day or two.


raidraid: My crashes only happen during playback, and can be at 100% battery as well. The only thing I know for sure is using external USB power will 100% solve the problem. I am trying your database recommendation now and will report back.


thanks all!
RDP

Bilgus:
I was saying the power draw of the sdcard adapter

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