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External
Since: Mar 30, 2006
Posts: 6
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(Msg. 1) Posted: Thu Mar 30, 2006 4:42 pm
Post subject: USB hub for OS9.1
Archived from groups: alt>sys>mac>newuser-help (more info?)
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| I am using a Macintosh Server G3 PowerPC running OS 9.1. I have a
2usb/2firewire card installed and would like to and a usb hub so I
don't have to keep swapping my devices.I need help on what is the
difference between usb 1.5 and 2.0 devices and the best source for
info.
Thanks,Bill.
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External
Since: Jan 12, 2006
Posts: 29
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(Msg. 2) Posted: Thu Mar 30, 2006 7:38 pm
Post subject: Re: USB hub for OS9.1 [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 3/30/06 4:42 PM, in article
300320061642499903%buddydyourshorts@charter.net, "Buddy Duncan"
<buddydyourshorts.RemoveThis@charter.net> wrote:
> I am using a Macintosh Server G3 PowerPC running OS 9.1. I have a
> 2usb/2firewire card installed and would like to and a usb hub so I
> don't have to keep swapping my devices.I need help on what is the
> difference between usb 1.5 and 2.0 devices and the best source for
> info.
> Thanks,Bill.
The difference between USB 1 and USB 2 is speed. The USB 1 standard is
12mbps; USB 2 is 480mbps. Any USB cable or hub is going to be compatible
with either; the only thing that matters is the controller. So If you hook a
USB 1 device into a USB 2 port, the port will work with USB 1, and
vice-versa.
Don't expect to actually get 480mbps out of USB 2, though. In my experience,
FireWire 400 is faster.
--
Brian Ehni |
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External
Since: Mar 30, 2006
Posts: 6
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(Msg. 3) Posted: Fri Mar 31, 2006 2:52 pm
Post subject: Re: USB hub for OS9.1 [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <C051E420.4F2BC%behni@comcast.net>, Brian Paul Ehni
<behni.RemoveThis@comcast.net> wrote:
> On 3/30/06 4:42 PM, in article
> 300320061642499903%buddydyourshorts@charter.net, "Buddy Duncan"
> <buddydyourshorts.RemoveThis@charter.net> wrote:
>
> > I am using a Macintosh Server G3 PowerPC running OS 9.1. I have a
> > 2usb/2firewire card installed and would like to and a usb hub so I
> > don't have to keep swapping my devices.I need help on what is the
> > difference between usb 1.5 and 2.0 devices and the best source for
> > info.
> > Thanks,Bill.
>
>Thanks for the info,it really helped.Bill Duncan.
>
> The difference between USB 1 and USB 2 is speed. The USB 1 standard is
> 12mbps; USB 2 is 480mbps. Any USB cable or hub is going to be compatible
> with either; the only thing that matters is the controller. So If you hook a
> USB 1 device into a USB 2 port, the port will work with USB 1, and
> vice-versa.
>
> Don't expect to actually get 480mbps out of USB 2, though. In my experience,
> FireWire 400 is faster. |
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External
Since: Nov 12, 2005
Posts: 88
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(Msg. 4) Posted: Sat Apr 01, 2006 10:10 am
Post subject: Re: USB hub for OS9.1 [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <C051E420.4F2BC%behni@comcast.net>, Brian Paul Ehni
<behni.RemoveThis@comcast.net> wrote:
> On 3/30/06 4:42 PM, in article
> 300320061642499903%buddydyourshorts@charter.net, "Buddy Duncan"
> <buddydyourshorts.RemoveThis@charter.net> wrote:
>
> > I am using a Macintosh Server G3 PowerPC running OS 9.1. I have a
> > 2usb/2firewire card installed and would like to and a usb hub so I
> > don't have to keep swapping my devices.I need help on what is the
> > difference between usb 1.5 and 2.0 devices and the best source for
> > info.
> > Thanks,Bill.
>
>
> The difference between USB 1 and USB 2 is speed. The USB 1 standard is
> 12mbps; USB 2 is 480mbps. Any USB cable or hub is going to be compatible
> with either; the only thing that matters is the controller. So If you hook a
> USB 1 device into a USB 2 port, the port will work with USB 1, and
> vice-versa.
>
> Don't expect to actually get 480mbps out of USB 2, though. In my experience,
> FireWire 400 is faster.
They will work together, but the only way to get full USB 2 speed (as
much as the device is capable of sending, anyway) is to have a USB 2
port on the computer, a USB 2 hub, a USB 2 port on the device, and USB
2-rated cables between each device and the hub. |
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