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Everdrive N8 (original model) random freezing issue on firmware v1.23

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MHzBurglar:
I am encountering an issue where my games are randomly freezing.  When this happens, some graphics will slightly distort, the screen freezes and the sound stops.  I haven't been able to identify a trigger yet, but I have had this happen to me 3 times today playing the first Legend of Zelda game.  each time it seemed to happen following a screen transition or exiting a cave, but I haven't been able to faithfully replicate the issue.  The freeze occurs after roughly half an hour of playing.

I tested my original, authentic Legend of Zelda cartridge and played for an hour straight without any issues.  My NES is a frontloader with a Blinking Light Win pin adapter and both the pin adapter and cartridge pins are clean.  I am also using the original Nintendo power supply that came with the system.

I also had this issue occur in Super Mario Bros yesterday, but I had originally attributed it to an issue with the romhack I was playing (Super Mario Bros. Special X1.)  When that game froze, Mario had recently exited a pipe about 1-2 seconds before the freeze.

I am going to test on firmware version 1.16 shortly to see if the issue occurs on the older firmware as well.

Edit:  I played Zelda 1 on firmware 1.16 from the start of the game through to the end of the second dungeon without any issue.  I switched back to firmware 1.23, and started from the beginning of the game again, and got a freeze in the first dungeon in the room where you get the bow.  Here is what it looks like when the freeze occurs.  The background graphics and HUD mess up, but the sprites stay in place.  The sound will pause on the last note played and hold it indefinitely.

nuu:
The screen and sound freezing on a note sounds like PPU and APU are still working when something else fails. Maybe the cartridge, does this only happen with the Everdrive, never with any other cartridges? This is typical for dirty contacts as well but that sounds unlikely with an Everdrive and Blinking Light Win. Check the pins so that there are no resin or anything on them.

MHzBurglar:

--- Quote from: nuu on April 05, 2020, 09:11 PM ---The screen and sound freezing on a note sounds like PPU and APU are still working when something else fails. Maybe the cartridge, does this only happen with the Everdrive, never with any other cartridges? This is typical for dirty contacts as well but that sounds unlikely with an Everdrive and Blinking Light Win. Check the pins so that there are no resin or anything on them.

--- End quote ---

Thanks for the suggestions.  I cleaned the pins on the Everdrive and port just in case, but they were already pretty clean so no dirt really came off them.  I then played for about an hour and got another freeze.  This only seems to happen with the Everdrive; my original NES games don't freeze regardless of how long I play them; I played a real cartridge of Zelda 1 today for about 4 hours without a single issue.

I didn't used to have this issue prior to updating to 1.23; I was previously running OS V16 without any freezing ever (I also used the OS v20 beta for a while, but I didn't play enough on it to know if it had the freexing issue.)

Edit:  I once again reverted my Everdrive N8 to OS16 (1.16), and was able to play through Super Mario Bros. Special up to world 8-4 without any freezing (I have been getting constant freezing on this game on v1.23.)  It definitely seems to be an issue with the latest firmware.

Erai:
It is, i have tons of visual glitches in kirby on 1.23 and startropics becomes glitchy after 2 hours playing, everything works on 1.16 for me too.

Mind you, everything works on 1.16 only after i got a replacement, the quality of the cart and software seems to be pretty low and there's no help coming from the creator.

Turk182:
Hi,

I played  Zelda yesterday with my NES PAL and my Everdrive N8 V1.23 and I had no freeze, I enter in a couple of cave on the first level and everything was OK.
Can you give me more info to make more test by my side ?

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