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external HDD housings
I use the Belkin drive housings, one has only USB in and the other has USB
and 2 x Firewire ports. It was the latter that went wrong, both Firewire ports went TU. Why do they fit 2 Firewire ports when I understood you could not connect 2 comps to one drive at any one time. Looking at a number of manufacturer housings , this seems common practice. |
#2
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external HDD housings
Lez Pawl wrote:
I use the Belkin drive housings, one has only USB in and the other has USB and 2 x Firewire ports. It was the latter that went wrong, both Firewire ports went TU. Why do they fit 2 Firewire ports when I understood you could not connect 2 comps to one drive at any one time. Its for loop thru of more than one external drive, one PC. Looking at a number of manufacturer housings , this seems common practice. Yep, to allow more than one external drive. |
#3
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external HDD housings
"Rod Speed" wrote in message ... Lez Pawl wrote: I use the Belkin drive housings, one has only USB in and the other has USB and 2 x Firewire ports. It was the latter that went wrong, both Firewire ports went TU. Why do they fit 2 Firewire ports when I understood you could not connect 2 comps to one drive at any one time. Its for loop thru of more than one external drive, one PC. Looking at a number of manufacturer housings , this seems common practice. Yep, to allow more than one external drive. OK thanks.... |
#4
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external HDD housings
Lez Pawl wrote:
"Rod Speed" wrote in message ... Lez Pawl wrote: I use the Belkin drive housings, one has only USB in and the other has USB and 2 x Firewire ports. It was the latter that went wrong, both Firewire ports went TU. Why do they fit 2 Firewire ports when I understood you could not connect 2 comps to one drive at any one time. Its for loop thru of more than one external drive, one PC. Looking at a number of manufacturer housings , this seems common practice. Yep, to allow more than one external drive. OK thanks.... What I forgot to say is that its pretty common to see just one firewire port on the PC, but more than one USB connector on the PC, so there is more need for loopthru with firewire than with firewire. |
#5
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external HDD housings
"Rod Speed" wrote in message ... Lez Pawl wrote: "Rod Speed" wrote in message ... Lez Pawl wrote: I use the Belkin drive housings, one has only USB in and the other has USB and 2 x Firewire ports. It was the latter that went wrong, both Firewire ports went TU. Why do they fit 2 Firewire ports when I understood you could not connect 2 comps to one drive at any one time. Its for loop thru of more than one external drive, one PC. Looking at a number of manufacturer housings , this seems common practice. Yep, to allow more than one external drive. OK thanks.... What I forgot to say is that its pretty common to see just one firewire port on the PC, but more than one USB connector on the PC, so there is more need for loopthru with firewire than with firewire. yes my dell has 3 onboard USB ports and a Belkin pc card adaptor providing another 2. All these ports are dedicated to external components. The single firewire was useful to keep the backup drive connected...........I may well get another Firewire housing as they don't cost much. |
#6
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external HDD housings
"Lez Pawl" wrote in message ... I use the Belkin drive housings, one has only USB in and the other has USB and 2 x Firewire ports. It was the latter that went wrong, both Firewire ports went TU. Why do they fit 2 Firewire ports when I understood you could not connect 2 comps to one drive at any one time. Looking at a number of manufacturer housings , this seems common practice. Firewire and USB are designed differently. USB is connected in a "tree" fashion. One device per port. Of course the one device can be a hub, splitting to mutliple devices. Firewire is connected ina "chain" fashion. One device connects to the next, to the next, to the next, etc. This minimizes the number of connectors you need on the PC. You shouldn't have need for a hub in a Firewire installation, but they are available. |
#7
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external HDD housings
In article , "Lez Pawl"
wrote: "Rod Speed" wrote in message ... Lez Pawl wrote: "Rod Speed" wrote in message ... Lez Pawl wrote: I use the Belkin drive housings, one has only USB in and the other has USB and 2 x Firewire ports. It was the latter that went wrong, both Firewire ports went TU. Why do they fit 2 Firewire ports when I understood you could not connect 2 comps to one drive at any one time. Its for loop thru of more than one external drive, one PC. Looking at a number of manufacturer housings , this seems common practice. Yep, to allow more than one external drive. OK thanks.... What I forgot to say is that its pretty common to see just one firewire port on the PC, but more than one USB connector on the PC, so there is more need for loopthru with firewire than with firewire. yes my dell has 3 onboard USB ports and a Belkin pc card adaptor providing another 2. All these ports are dedicated to external components. The single firewire was useful to keep the backup drive connected...........I may well get another Firewire housing as they don't cost much. I've actually tried two Firewire housings in series, and the one furthest from the computer, gets slower service. While you can daisy chain Firewire drives, it doesn't necessarily always give you a high performance configuration. And naturally, there are not going to be a lot of review articles that evaluate a config like that. (I no longer have the enclosures, so cannot repeat the experiment.) Shown in this figure, are two Firewire cables, one cable computer-to-drive, the other drive-to-drive. Computer ------- --------- x 1394 | | | | port | | | | -------- --------- Disk1 Disk2 ~30MB/sec ~20MB/sec HTH, Paul |
#8
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external HDD housings
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