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Author Topic: Rigol DHO800/900 Oscilloscope Bug Reports + Firmware  (Read 324691 times)

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Offline Corsair Ko

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Re: Rigol DHO800/900 Oscilloscope Bug Reports + Firmware
« Reply #800 on: March 03, 2025, 05:24:02 pm »
... So far everything works ok ...
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Offline norbert.kiszka

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Re: Rigol DHO800/900 Oscilloscope Bug Reports + Firmware
« Reply #801 on: March 03, 2025, 06:41:43 pm »
ADB will not work, when scope fails to boot at very early stage. Logo visible shortly after pressing power button is made by U-boot bootloader. Later Linux kernel uses same memory for frame buffer (screen data in RAM).
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Offline Fungus

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Re: Rigol DHO800/900 Oscilloscope Bug Reports + Firmware
« Reply #802 on: March 03, 2025, 07:03:23 pm »
Maybe move these posts to this thread:

https://www.eevblog.com/forum/testgear/rigol-dho800-(814)-failing-to-boot-up/msg5836716/#new

This is not a bug or firmware issue.
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Offline Hix

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Re: Rigol DHO800/900 Oscilloscope Bug Reports + Firmware
« Reply #803 on: March 03, 2025, 07:25:49 pm »
It's not exactly normal operating behaviour either is it?
I apologise profusely for failing to understand that a community forum was restricted to a single topic per thread.
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Offline Fungus

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Re: Rigol DHO800/900 Oscilloscope Bug Reports + Firmware
« Reply #804 on: March 03, 2025, 09:26:26 pm »
Quote from: Hix on March 03, 2025, 07:25:49 pm
It's not exactly normal operating behaviour either is it?

It's obvious by now that it's broken hardware.

You'll get better results if you don't scatter questions over multiple threads.
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