Mintbox 2 USB3 ports running very slow

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Gordon.Moore
Posts: 3
Joined: Tue Jun 02, 2020 2:18 pm

Mintbox 2 USB3 ports running very slow

Post by Gordon.Moore »

Hi to anyone out there,

I'm running a dual boot system with Windows 10 and Linux Mint 19.3 with a 256GB internal SSD and 16GB RAM.
The USB3 ports on my Mintbox2 are running very slow, max read/write to an SSD is around 45MB/s on both Windows 10 (CrystalDiskMark6 results) and also running LM19.3 (gnome-disks results)
The same SSD plugged in to the USB2 ports of the mintbox2 runs at around 29 MB/s
The SSD provides >450MB/s when plugged into my laptop USB3 port so I know it's OK.
I've searched for any driver updates but nothing found.
I've been using the USB3 ports to connect external 5400 RPM harddrives for several years and never actually checked the USB3 performance. Now I need to speed up the external storage so I bought an external SSD to do the job. This is when I discovered the slow USB3 speeds.
Anyone any ideas as to what's going on please?
Thanx hopefully

Andrey.Mazlin
Posts: 19
Joined: Tue May 05, 2020 7:02 am

Re: Mintbox 2 USB3 ports running very slow

Post by Andrey.Mazlin »

Dear Gordon
Intense PC is a bit old device, and accordingly to its Block diagram it has a native USB3 support from Intel QM77/HM76 chipset. Nothing on the way from the chipset to the socket itself that can affect the speed (accordingly to the chip manufacturer it supports up to 5Gbps).
The problem described by you is unknown to us, therefore we can't offer any solution, sorry.

P.S. Did you try to 'google' the problem without relating it to the particular device?
Something like: Help! My USB 3.0 Device is Operating at a Lower Speed!
Andrey Mazlin, Application Support Engineer
Useful links:
https://fit-iot.com/web/
Support Wiki: http://www.fit-pc.com/wiki/
Support mil: fitpcsupport@compulab.co.il

Gordon.Moore
Posts: 3
Joined: Tue Jun 02, 2020 2:18 pm

Re: Mintbox 2 USB3 ports running very slow

Post by Gordon.Moore »

Thanks for your reply Audrey.
It's a strange problem. I've also reset the BIOS to defaults settings by using F9 but no-go.
The USB3 speed is slightly faster than the USB2 port speed but nowhere as fast as it should be.
I'll just have to live with the problem if a solution isn't found.
Although my mintbox2 is a few years old now, it suits me well becasue of the all the I/O ports
and since I replaced the HDD with an SSD several years ago, it's quite speedy apart from the USB3
Keep safe with all the COVID-19 around.
Gordon

Gordon.Moore
Posts: 3
Joined: Tue Jun 02, 2020 2:18 pm

Re: Mintbox 2 USB3 ports running very slow

Post by Gordon.Moore »

PS I checked with the link you provided but cannot find any useful settings for the USB3 port in the BIOS.

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