[G4] Slow bus :(

[Eric Smith]

I think you would probably notice a drop in performance from your
internal drive to a USB drive. Your G4 system probably has ATA/66
so your internal drive xfer speed is 66 MB/s, and while as I said
USB 2.0 speed is theoretically 60 MB/s, in practice it's probably
more like 40.

No, I never sold you anything. :)

Eric S.

Tony Sheeley wrote:
> Thanks,
>  
> I just wanted to know if the slow bus speed was on the ide channel or 
> the motherboard.  I've got a couple of external drives, but didn't want 
> to bother with them if I'm not going to get all the speed/capacity that 
> they are capable of.  From what you have said, I should be fine.  Thanks.
>  
> Was it you or Eric W that sold me the cpu upgrade?
>  
>  > Date: Wed, 7 Oct 2009 08:07:31 -0700
>  > From: eric-s-smith at comcast.net
>  > To: g4 at listserver.themacintoshguy.com
>  > Subject: Re: [G4] Slow bus :(
>  >
>  > The 128GB disk size was a limitation of the original ATA spec.
>  > It has nothing to do with USB. So no, a USB drive will not have
>  > that size limitation.
>  >
>  > What do you mean by slow bus speed? If you connect a USB 2.0 drive
>  > you will get USB 2.0 speed, theoretically 480Mbps but in practice
>  > somewhat less.
>  >
>  > Eric S.
>  >
>  > Tony Sheeley wrote:
>  > > I still have my old Dual G4 450. :)
>  > >
>  > > I've just been given a Sonnet USB 2.0 card. Can someone tell me if I
>  > > connect an external drive via this card, will I still be restricted to
>  > > the rubbish 120 GB and slow bus speed?
>  > >
>  > > Thanks,
>  > >
>  > > T
>  > >
>  > > 
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