Many problems with my new XU4 (HDD)

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vini77
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Many problems with my new XU4 (HDD)

Unread post by vini77 » Fri May 31, 2019 2:16 pm

Hi there!!

I've just bought a brand new XU4 with the original Harkernel 5V 6A power supply and a 0 Wi-Fi dongle. My choice gone for 6A in order to connect a 2To HDD on one of the 3.0 USB port, a USB 4 ports hub on the second 3.0 USB port and the Wi-Fi dongle on the 2.0...
The 2To HDD was formatted, connected to the XU which has directly recognized it. All was functional but when I transfer some data on the HDD and put it on the XU again, it doesn't start correctly and clack everytime...
No much power??? I don't think so but what's the problem?
Second problem come from the power supply that makes a real bad noise... I hope it has no malfunction...

Thanks a lot for your help!
Regards

Vini

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Re: Many problems with my new XU4 (HDD)

Unread post by mad_ady » Fri May 31, 2019 2:49 pm

What brand/power requirements does your HDD have? Is it SATA or USB?

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Fri May 31, 2019 2:53 pm

It's an USB Seagate without external power supply...

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Re: Many problems with my new XU4 (HDD)

Unread post by joshua.yang » Fri May 31, 2019 3:07 pm

It is recommended to use an external powered USB 3.0 hub to run external HDDs, to avoid any kind of unexpected errors.

With 5V 6A power supply, it would run well but can't sure it is on all of the situations. :)

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Fri May 31, 2019 3:28 pm

You're right but if I disconnect the USB hub, the HDD doesn't start anymore...

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Sat Jun 01, 2019 12:04 am

joshua.yang wrote:
Fri May 31, 2019 3:07 pm
It is recommended to use an external powered USB 3.0 hub to run external HDDs, to avoid any kind of unexpected errors.

With 5V 6A power supply, it would run well but can't sure it is on all of the situations. :)
So you tell me to plug the HDD to an external powered USB hub?

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Re: Many problems with my new XU4 (HDD)

Unread post by mad_ady » Sat Jun 01, 2019 12:45 am

For your particular drive a powered hub should solve the issue. Most drives don't require it, but high performance drives have more power requirements.

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Tue Jun 04, 2019 8:39 pm

mad_ady wrote:
Sat Jun 01, 2019 12:45 am
For your particular drive a powered hub should solve the issue. Most drives don't require it, but high performance drives have more power requirements.
Maybe you're right but how can you explain that without data on the HDD it's still starting...???

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Re: Many problems with my new XU4 (HDD)

Unread post by mad_ady » Tue Jun 04, 2019 9:57 pm

What do you mean by "without data on the HDD"? Does the HDD spin up correctly when it's not partitioned? Or not mounted? Does it act up when you create a filesystem on it? Please describe the problem in more details then.

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Tue Jun 04, 2019 11:24 pm

mad_ady wrote:
Tue Jun 04, 2019 9:57 pm
What do you mean by "without data on the HDD"? Does the HDD spin up correctly when it's not partitioned? Or not mounted? Does it act up when you create a filesystem on it? Please describe the problem in more details then.
The setup has to run Recalbox so, first, I've plugged all the peripherals on the XU4 in order to see if it works... I've just formatted the HDD in ext4 without any data on it and it runs normally... But when I've transfered some roms, it sounds like clac clac and doesn't boot...

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Tue Jun 04, 2019 11:28 pm

However, can I deflect 5V directly from the power supply in order to power up the HDD (by using an USB extension to create an Y just for the 5V)?
Data+ Data- and Ground between the HDD and the XU4 and the 5V from the power supply?

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Re: Many problems with my new XU4 (HDD)

Unread post by odroid » Wed Jun 05, 2019 9:35 am

Please hold on.

Do you have a DMM to check the 5Volt power rails?
If yes, measure the voltage between 5V0 and GND pins on the 30pin header first.
https://wiki.odroid.com/odroid-xu4/hard ... connectors
It must be stable at 4.8~5.2V while the XU4 system boots.

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Wed Jun 05, 2019 2:59 pm

odroid wrote:
Wed Jun 05, 2019 9:35 am
Please hold on.

Do you have a DMM to check the 5Volt power rails?
If yes, measure the voltage between 5V0 and GND pins on the 30pin header first.
https://wiki.odroid.com/odroid-xu4/hard ... connectors
It must be stable at 4.8~5.2V while the XU4 system boots.
Thanks I'll check that... But don't you think that the issue come from an amperage problem? Will the 30 pin header solve that?

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Re: Many problems with my new XU4 (HDD)

Unread post by odroid » Wed Jun 05, 2019 3:44 pm

The 5V0 node on the 30pin header is a reliable test point the check the system power stability.
If the voltage is lower than 4.7V even very short period like 50msec in the booting process, the system can cause a crashing or reset.
It means the external HDD draws too much current or the 5V/6A PSU might a defective which will be replaced.

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Wed Jun 05, 2019 4:25 pm

odroid wrote:
Wed Jun 05, 2019 3:44 pm
The 5V0 node on the 30pin header is a reliable test point the check the system power stability.
If the voltage is lower than 4.7V even very short period like 50msec in the booting process, the system can cause a crashing or reset.
It means the external HDD draws too much current or the 5V/6A PSU might a defective which will be replaced.
I've got 4,99V... Is that OK?

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Re: Many problems with my new XU4 (HDD)

Unread post by odroid » Wed Jun 05, 2019 4:40 pm

It must be varying while the system boots. It couldn't be a constant value.
I'm seeing a range of 4.84V~5.12V randomly in the OS booting process.
Did you really measure the voltage on 5V0 rail of the 30pin header?

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Re: Many problems with my new XU4 (HDD)

Unread post by vini77 » Wed Jun 05, 2019 4:44 pm

odroid wrote:
Wed Jun 05, 2019 4:40 pm
It must be varying while the system boots. It couldn't be a constant value.
I'm seeing a range of 4.84V~5.12V randomly in the OS booting process.
Did you really measure the voltage on 5V0 rail of the 30pin header?
Yes but when system still running , not before booting...

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Re: Many problems with my new XU4 (HDD)

Unread post by odroid » Wed Jun 05, 2019 4:50 pm

As I told you, please keep checking the voltage variation in the OS booting process.
Or, keep reading a couple of GByte data from the external HDD and check the voltage variation.
That result will be very helpful to narrow down root causes of your issue.

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