[ubuntu-za] File transfer speed

[Jan Greeff]

Many thanks Matthew, that probably explains the discrepancy. I'll not 
bother to try to solve the issue, I seldom use the Win 7 installation 
and when I do I seldom need to transfer anything. This was a once-off.

Kind regards,

Jan

On 08/09/2016 11:04, Matthew French wrote:
> On Thu, Sep 8, 2016 at 6:15 AM, Jan Greeff <jan at verslank.net 
> <mailto:jan at verslank.net>> wrote:
>
>     When I transfer files and folders to my external hard drive from
>     my Ubuntu system, the transfer rate runs at between 26 to 28 MBps.
>     When I transfer from the Windoze 7 installation on the same
>     machine to the same drive, the transfer rate is less than 1 MBps.
>
>     Why the massive difference in transfer rates?
>
>
> Because Windows, obviously! :-)
>
> Now I have that out my system: 1MBps is roughly the speed limit for 
> USB1.0 while you need USB3.0 to get up to 26MBps. Modern hard drives 
> can usually sustain around 30MBps so I don't think the disk is the issue.
>
> My suspicion is that Windows is using the default USB drivers which 
> don't know how to enable USB2.0/3.0 on your chipset?.
>
> Unfortunately there is not simple solution. Normally the USB drivers 
> are installed by the motherboard software - along with a bunch of 
> other crud. But they may have written the software for Windows XP and 
> it no longer functions in Windows 7.
>
> The way I have solved this in the past is to do an 'lspci' on Linux. 
> That will tell me which chipset is being used and can lead me to the 
> manufacturers default drivers, which are often way better than the 
> bundled drivers. You can also google for your motherboard model and 
> that should take you to the Windows 7 version of the drivers.
>
> All assuming it is a driver issue, of course.
>
> Hope this helps.
>
> - Matthew
>

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