Re: [Slightly OT] USB v1 and v2 compatibility

[Robert Citek <rwcitek@alum.calberkeley.org>]

On Thursday, Oct 28, 2004, at 16:20 US/Central, Brad Boeckmann wrote:
> Although not directly a Linux question...
>
> I've got a laptop that is older and is USB v1 compatible. I want to 
> purchase
> an external CD-RW drive. All the drives I see for sale are USB v2.
>
> My concern: the USB v2 data transfer speeds are much greater. Will I 
> run
> into buffer under run issues by using a USB v2 drive with a USB v1 
> laptop?
> Does anyone have any suggestions?

1) USB2 is USB1.1 compatible
2) don't run a CD-RW drive over USB1, just too slow: 
http://www.usb.org/faq/ans2#q1
3) get a USB2 PCMCIA card

But that's just my opinion.

The experimentalist in me says, get a drive and try it.  If it works, 
great. If it don't work, return it.  Either way, let us know how things 
go.

Regards,
- Robert
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