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Q: Why is USB mass driver not recognized?
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A: Please refer to the description in the red rectangle in the picture below;
[[File:X680-usb-not-detected-faq.jpg|800px]]
The USB mass is not recognized in PIKVM OS, you can understand USB mass as a local USB HUB in PIKVM OS.
These 3 USB ports are used for local switching between target PC1-PC4, e.g. a USB disk with the OS image can be used to install the os in PC1, if switching to PC2, then the os can be installed in PC2, and so on.
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Q: How to switch to root user?
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A: run the following command:
su root
Then type the password, the default password is 'root' also.
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Q: Does the x680 support audio?
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A: Yes. Refer to [[Enable pikvm hdmi audio]]</div>
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Q: Does x680 support proarammable switch between PC?
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A: NO
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Q: Does the X680 support PoE power? How to enable PoE Power?
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A: The X680 doesn't support POE, but you can use something similar to the [[PD3005G-3A]]
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Q: Why can't I switch to another PC?'
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A: You need to make sure that your target computer is not in '''sleep''', because when the computer is sleep, the USB port will stop supplying power
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Q: Why NVME SSD cannot be recognized？
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A: Login the pikvm web teminal, then type the following command:
lspci
The result of the command should look similar to the following, if you can't find something similar to the following, your NVME SSD is not compatible
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Q: How to boot from NVMe SSD on X680?
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A: Refer to the following third-party tutorials:
* https://www.jeffgeerling.com/blog/2021/raspberry-pi-can-boot-nvme-ssds-now
* https://hagensieker.com/2022/04/17/booting- a-raspberry-pi-cm4-from-an-nvme/
* https://dphacks.com/2021/11/21/how-to-boot-a-pi-cm4-from-nvme-ssd/
You can also check out the official guide of the Raspberry Pi Foundation on how to boot CM4 from NVMe devices
* https://github.com/raspberrypi/documentation/blob/develop/documentation/asciidoc/computers/raspberry-pi/boot-nvme.adoc
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X680
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