On Oct 23, 2008, at 8:23 PM, Steve R wrote:
> > At 7:50 PM -0400 10/23/08, Charles Davis posted: >> On Oct 23, 2008, at 7:38 PM, Steve R wrote: >> >>> In essence, it would >>> be used as a kind of USB cable extender, of sorts. Used in this >>> manner, is there any need to have a powered USB hub? >>> >>> Steve R >>> -- >> >> Only to cover the case where >> "The 'Socket (USB)' is there, ----- plug the thing (whatever >> device you happen to have picked up to "Test") in. >> >> Chuck D. > > > Okay, I'm dense tonight because I've read your comment several times > and I'm not really sure I'm understanding it correctly. Maybe a different thread, but I was remembering a comment Re; Multi- port used to select 1 of several possible systems to use with the display/ keyboard. In that case, having several possible USB sockets easily available, the temptation would be there to 'plug stuff in', be it an Ipod, Trouble lights, whatever happened to be of interest at the time. NOT necessarily something necessary to system operation. > I don't > physically have a USB hub. I am wanting to purchase a USB hub. Prices > here vary from under $10 for a 4-port un-powered "laptop" hub to the > lowest $42 4-port powered hub. There will never be a situation where > I use the 4-port hub to power more than one device. (If I needed to > do that at some point in the future, one of my external hard drives > has a built-in firewire/USB hub I could use, if I could stand having > it powered up with its incredibly loud fan. Unless the power is on to > this device, the built-in hub doesn't work.) I'm wanting to have > permanent USB cables attached to all the devices Doable, purchase some more USB cables. > so I can stop > swapping the one cable I'm using. You end up with several 'cable ends' lying near the USB port, just plug in the correct (wanted) one. > I would also prefer not to have a > powered hub *if I don't need it* because the one I had years ago (USB > 1.1) was always powered on unless I physically unplugged it. > > I've googled galore and not found an answer. Maybe the simplest way > to ask is, if I am using a USB hub for only one device, does the USB > hub act as a pass-through cable extender so that it need not be > powered? Is there enough power coming from the internal USB port to > continue through the hub to the USB device, possibly, but what is supposed to tell anything else plugged into the hub that it's NOT the one wanted, and to not draw any power? Make more sense? Chuck D. > or is there a drop in > power through the hub that needs to be boosted by external power to > the hub? > > Hope this helps > > Steve R --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
