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USB hub powered by FireWire port?

Message #1 - Posted 2006/02/28 - Phil Earnhardt

Does anyone make a powered 4-port USB hub that receives its power from the FireWire port? That would seem to be a way to make a very compact/portable powered hub for most Mac systems.

--phil

Message #2 - Posted 2006/02/28 - killedbyphysics@gmail.com

I don't believe I ever remember seeing such a thing. But there's probably a reason for that ;). Wouldn't making a powered 4-port USB hub work just as well if it received its power from the USB port?

Message #3 - Posted 2006/03/01 - John Johnson

Previously, "killedbyphysics@gmail.com wrote:

I don't believe I ever remember seeing such a thing. But there's probably a reason for that ;). Wouldn't making a powered 4-port USB hub work just as well if it received its power from the USB port?

FireWire ports can provide _much_ more power than USB ports. That's why you see more bus-power FW hard disk enclosures than USB ones (2.5" and up. The 1.8" drives will run off of USB).

Later,
John

johajohn@indianahoosiers.edu

'indiana' is a 'nolnn' and 'hoosier' is a 'solkk'. Indiana doesn't solkk.

Message #4 - Posted 2006/03/01 - Phil Earnhardt

On 28 Feb 2006 18:25:08 -0800, "killedbyphysics@gmail.com wrote:

I don't believe I ever remember seeing such a thing. But there's probably a reason for that ;). Wouldn't making a powered 4-port USB hub work just as well if it received its power from the USB port?

No. That's why bus-powered USB hubs have limited utility. OTOH, I'd rather not have to carry around an AC adapter for an externally powered USB hub.

It seems that a very compact hub could be made for macs since the FW port is in proximity to the USB port.

--phil

Message #5 - Posted 2006/03/01 - David Sankey

Previously, Phil Earnhardt wrote:

On 28 Feb 2006 18:25:08 -0800, "killedbyphysics@gmail.com wrote:

I don't believe I ever remember seeing such a thing. But there's probably a reason for that ;). Wouldn't making a powered 4-port USB hub work just as well if it received its power from the USB port?

No. That's why bus-powered USB hubs have limited utility. OTOH, I'd rather not have to carry around an AC adapter for an externally powered USB hub.

It seems that a very compact hub could be made for macs since the FW port is in proximity to the USB port.

The Belkin Macmini combo FW/USB hub looks like it is probably just such a beast
<http://catalog.belkin.com/IWCatProductPage.process?Merchant_Id=&Section_ Id=268&pcount=&Product_Id=203160&Section.Section_Path=%2FROOT%2FMacintosh %2FHubs%2F>

Dave

Message #6 - Posted 2006/03/01 - Phil Earnhardt

On Wed, 01 Mar 2006 09:35:38 +0000, David Sankey wrote:

Previously, Phil Earnhardt wrote:

On 28 Feb 2006 18:25:08 -0800, "killedbyphysics@gmail.com wrote:

I don't believe I ever remember seeing such a thing. But there's probably a reason for that ;). Wouldn't making a powered 4-port USB hub work just as well if it received its power from the USB port?

No. That's why bus-powered USB hubs have limited utility. OTOH, I'd rather not have to carry around an AC adapter for an externally powered USB hub.

It seems that a very compact hub could be made for macs since the FW port is in proximity to the USB port.

The Belkin Macmini combo FW/USB hub looks like it is probably just such a beast
<http://catalog.belkin.com/IWCatProductPage.process?Merchant_Id=&Section_ Id=268&pcount=&Product_Id=203160&Section.Section_Path=%2FROOT%2FMacintosh %2FHubs%2F>

That's it. I currently have no use for the FW ports, but you never know.

I just want to make sure I have sufficient USB ports for my pencil sharpener:
http://uk.gizmodo.com/2005/10/10/worlds_worst_usb_peripheral.html

Dave

Thanks, Dave.

--phil

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