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Do hubs slow down USB2 ?

 
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Talal Itani
Guest
PostPosted: Wed May 02, 2007 1:13 am    Post subject: Do hubs slow down USB2 ? Reply with quote
I would like to know if USB2 hubs slow down the data transmission between
the PC and a USB device. For example, if I have multiple USB drives
connected to one hub, will the data transmission slow down, versus
connecting the USB drives directly to the PC's USB ports? Thanks.

Talal
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kony
Guest
PostPosted: Wed May 02, 2007 1:13 am    Post subject: Re: Do hubs slow down USB2 ? Reply with quote
On Tue, 01 May 2007 21:19:49 GMT, "Talal Itani"
<titani@verizon.net> wrote:

Quote:

I would like to know if USB2 hubs slow down the data transmission between
the PC and a USB device. For example, if I have multiple USB drives
connected to one hub, will the data transmission slow down, versus
connecting the USB drives directly to the PC's USB ports? Thanks.

Talal



Yes it will be slower IF you are concurrently using more
than one of the devices connected to the hub. The same
thing happens if you plugged two drives into the same
port-pair of hubs.

USB2 is not a good solution for connecting several hard
drives, it is just a cheap way to temporarily connect one.
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CBFalconer
Guest
PostPosted: Fri May 04, 2007 9:49 pm    Post subject: Re: Do hubs slow down USB2 ? Reply with quote
Talal Itani wrote:
Quote:

I want to program microSD memory cards, in batch. Maybe 7 or 8
at a time. I will use USB memory card readers to program these
microSD memory chips. To connect the card readers to the PC, I
can install USB plug-in cards, or I can use external hubs. This
is where my question is: which way is better? USB PC-plug-in
cards or USB Hub? Thanks.

Please do not top-post. Your answer belongs after (or intermixed
with) the quoted material to which you reply, after snipping all
irrelevant material. See the following links:

--
<http://www.catb.org/~esr/faqs/smart-questions.html>
<http://www.caliburn.nl/topposting.html>
<http://www.netmeister.org/news/learn2quote.html>
<http://cfaj.freeshell.org/google/> (taming google)
<http://members.fortunecity.com/nnqweb/> (newusers)



--
Posted via a free Usenet account from http://www.teranews.com
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kony
Guest
PostPosted: Fri May 04, 2007 10:07 pm    Post subject: Re: Do hubs slow down USB2 ? Reply with quote
On Fri, 04 May 2007 16:17:37 GMT, "Talal Itani"
<titani@verizon.net> wrote:

Quote:

I want to program microSD memory cards, in batch. Maybe 7 or 8 at a time.
I will use USB memory card readers to program these microSD memory chips.
To connect the card readers to the PC, I can install USB plug-in cards, or I
can use external hubs. This is where my question is: which way is better?
USB PC-plug-in cards or USB Hub? Thanks.

Already answered.
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Noozer
Guest
PostPosted: Sat May 05, 2007 2:13 am    Post subject: Re: Do hubs slow down USB2 ? Reply with quote
Please do not hijack threads.

"CBFalconer" <cbfalconer@yahoo.com> wrote in message
news:463B642C.964FAD45@yahoo.com...
Quote:
Talal Itani wrote:

I want to program microSD memory cards, in batch. Maybe 7 or 8
at a time. I will use USB memory card readers to program these
microSD memory chips. To connect the card readers to the PC, I
can install USB plug-in cards, or I can use external hubs. This
is where my question is: which way is better? USB PC-plug-in
cards or USB Hub? Thanks.

Please do not top-post. Your answer belongs after (or intermixed
with) the quoted material to which you reply, after snipping all
irrelevant material. See the following links:

--
http://www.catb.org/~esr/faqs/smart-questions.html
http://www.caliburn.nl/topposting.html
http://www.netmeister.org/news/learn2quote.html
http://cfaj.freeshell.org/google/> (taming google)
http://members.fortunecity.com/nnqweb/> (newusers)



--
Posted via a free Usenet account from http://www.teranews.com
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kony
Guest
PostPosted: Sat May 05, 2007 2:13 am    Post subject: Re: Do hubs slow down USB2 ? Reply with quote
On Fri, 04 May 2007 21:57:23 GMT, "Noozer"
<dont.spam@me.here> wrote:

Quote:
Please do not hijack threads.


Please do not top post. If you prefer top posting then this
isn't the right forum, each forum has it's own conventions.

There is a reason to preserve order on usenet. How would it
be preserved if nobody ever said anything about it's
decline? That happens one post at a time.
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Noozer
Guest
PostPosted: Sat May 05, 2007 2:13 am    Post subject: Re: Do hubs slow down USB2 ? Reply with quote
As long as Falconer can do as he pleases, so can I

"kony" <spam@spam.com> wrote in message
news:q3fn33pqs519qsjg8pnli5vv25sgh88uj6@4ax.com...
Quote:
On Fri, 04 May 2007 21:57:23 GMT, "Noozer"
dont.spam@me.here> wrote:

Please do not hijack threads.


Please do not top post. If you prefer top posting then this
isn't the right forum, each forum has it's own conventions.

There is a reason to preserve order on usenet. How would it
be preserved if nobody ever said anything about it's
decline? That happens one post at a time.
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