Re: TI-H: USB Link


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Re: TI-H: USB Link




In a message dated 8/20/98 7:25:49 PM EDT, tsaimelv@pilot.msu.edu writes:

> All this talk about interface speeds is practically irrelevant...  If
>  the media cannot be read faster than the interface, it doesn't matter.
>  The way an IDE hard drive is manufactuered, it's not even designed to
>  break UDMA limits.  Most of them will burst to the cache at 50 to 100
>  megabytes/sec anyways which is fine for 99% of applications.  UWSCSI
>  drives are made with tighter tolerances and for higher speed, so
>  therefore the media can be read faster and therefore needs a faster
>  interface.  They're also better suited for networked environments.
>  This is also why they cost more.  A LOT more in some cases.
>  
>  Speed differences aren't due to limitations in the interface, they're
>  due to the desired featrues and costs of manufacturing.  It would be
>  easy as hell to add another row of pins to an EIDE connection header
>  and make it 64 bits wide @ 20ns with a 32 meg cache and blow SCSI out
>  of the water and still retain ATA-4 compatibiliity, but there's no
>  need for this so they don't do it.  Who cares about the interface.
ha see >;)

Rob