Keith Myers wrote:

>On 20 Oct 2004 11:13:27 -0000, os2hardware{at}yahoogroups.com wrote:
>
>>Actually, as I don't have *any* USB 2.0 ports here, I'll also have to 
>>get a PCI-card for it too! What chipset are you running yours with or 
>>are any EHCI controllers OK?
>>
>>From Wednesday - have a good Tuesday there!
>>    
>>
>Hi MIke, actually USB 2.0 is backwards compatibler with USB 1.1 
standard.  It'll plug in an be recognized just the same, just won't run at
USB 480 Mb/sec speeds.  
>I don't think it really matters what chipset supports the USB interface.  The 
>Base USB drivers cover the all of the OHCI,UHCI,EHCI flavors as far as
I can tell from the documentation.  My chipsets are VIA based.  I thought
that most of the EHCI chipsets are of the USB 2.0 flavor.  Maybe you don't
have to spend money on a addon PCI card after all.  Have you looked at your
Hardware Manager 
>profile lately?  Does it have an entry for a USB 2.0 Hub in there? Do you have 
>this statement in config.sys?:
>
>BASEDEV=USBEHCD.SYS
>
>I think you might be already set up for the quick drive. 
>

Hi Keith,

No, I definitely only have USB 1.1 ports/controllers on all the 
motherboards I own - some are OHCI, another UHCI and  they're none of 
them current generation or anything vaguely near it, ditto the VAIO 
Laptop from early 1999! The (in-stock) USB 2.0 PCI-card I decided on 
wasn't that expensive for a four port model, only fractionally more than 
the two port card, which was out of stock! Still not as cheap as what 
they are there though! From further looking I see that the EHCI 
specification isn't specific to iNTEL or VIA etc., so shouldn't be any 
[basic] problems with USB 2.0 devices, only possibly incompatibilities 
with certain peripherals.

-- 
Regards,
Mike

Failed the exam for
--------------------
MCSE - Minesweeper Consultant and Solitaire Expert
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