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Comments about stability #1468

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12 changes: 12 additions & 0 deletions README.md
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Expand Up @@ -746,6 +746,18 @@ Ultimately, you should not expect to go past 64K pixels using 3 chains without s
quality tradeoffs. If you need bigger displays, you should use multiple boards and synchronize the
output.

Stability
---------
Do not use GPIO when using this project it may create instability.

Use RAM disk can improve stability but may lower system responsiveness.
```sudo mount -t ramfs -o size=64m ramfs /mnt/ramdisk```

Color depth max is 11-13 for single scan panel, 8-10 for 8 scan panel, 6-8 for 32 scan panel. Refresh rate requires short chains or low color depth. Low color depth may improve stability.

Use this to verify stability.
```sysbench --num-threads=3 --test=memory --memory-block-size=1M --memory-total-size=16G --memory-access-mode=rnd --memory-oper=write run```

Limitations
-----------
If you are using the Adafruit HAT/Bonnet in the default configuration, then we
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