Is there a difference between usb and usb 2.0?

Johannes B. Ullrich jullrich at sans.org
Sun Dec 21 13:18:48 EST 2003


From my (limited) experience, USB 2.0 drives will work with USB 1.1
laptops. However, the speed will be very slow. USB 2.0 PCMCIA cards
usually run $25-50.

What kind of laptop is it? Does it have firewire? Maybe another option
is to swap the CD drive in the laptop for a used CD-RW drive?

Your laptop is most likely USB 1.1. Most laptops until very recently
included 1.1 only.


On Sun, 2003-12-21 at 13:09, Ken Gosier wrote:
> There's a very cool-looking external cd-rw on sale over at overstock.com:
> 
> http://www.overstock.com/cgi-bin/d2.cgi?PAGE=PROFRAME&PROD_ID=570145
> 
> The only problem is: It says USB 2.0. I have a relatively old laptop
> (almost 3 years now.) So I'm worried that my usb ports aren't the latest.
> 
> I've read all over the laptop docs, and they just say "usb" w/o a version
> number. I also looked over the faq on usb.org, and it also doesn't mention
> anything about different versions.
> 
> Are there differnent usb versions? Is this something to worry about? Many
> thanks for any help--
-- 
CTO SANS Internet Storm Center               http://isc.sans.org
phone: (617) 786 1563            
  fax: (617) 786 1550                          jullrich at sans.org

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