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Subject: Re: First experience of iRiver H-140

Re: First experience of iRiver H-140

From: Dave Hooper <dave_at_beermex.com>
Date: 2005-01-19

It's generally accepted that 'poor quality' cables (specifically those
outside of the USB specification) can not handle USB2.0 . Generally such
cables can comfortable handle USB1.1 speeds, just not the faster USB2.0 data
rates.

I don't think a USB2 cable is 'special', it just meets the USB
specification. I've certainly heard talk of Windows detecting a USB2.0
device as a USB1.1 device when used with a 'poor qualtity' cable, and
detecting it as a USB2.0 device when used with a better quality cable. I
believe that includes using iRiver H1xx series devices with retractable
cables as below.

d

----- Original Message -----
From: "Glenn at home" <GlennErvin@cableone.net>
To: "Rockbox development" <rockbox@cool.haxx.se>
Sent: Wednesday, January 19, 2005 12:14 AM
Subject: Re: First experience of iRiver H-140

>I did not know that there is a different cable for USB 2.0 from 1.1.
> Glenn
>
> ----- Original Message -----
> From: "Ronald Teune" <rtwolf@gmx.net>
> To: "Rockbox development" <rockbox@cool.haxx.se>
> Sent: Tuesday, January 18, 2005 5:36 AM
> Subject: Re: First experience of iRiver H-140
>
>
> Hi,
>
> quote from:
> http://www.meritline.com/usb-retractable-cable-a-male-a-male-cables.html
>
> USB 1.1 compliant
> Speed transfer rates up to 12 Mbps depending on USB version
> Maximum conductivity and error-free data transmission
>
> So, you're right, probably no USB 2.0 speeds possible. Too bad, because
> this long cable is just... well... long.
>
> Ronald
>
> On Tue, 18 Jan 2005 10:53:25 +0100, Johan Vromans <jvromans@squirrel.nl>
> wrote:
>
>> Ed MacDaniel <deadword@comcast.net> writes:
>>
>>> Howdy BC,
>>>
>>> Will those retractable USB cables work OK for you?
>>
>> Retractable USB cables are usually very thin. I doubt they meet the
>> USB 1.1 or 2.0 specs. AFAIK they are typically used for slow devices
>> like mice.
>>
>> Please correct me if I'm wrong -- I'd be interested as well ;-).
>>
>> -- Johan
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> http://cool.haxx.se/mailman/listinfo/rockbox
> _______________________________________________
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>

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Received on Wed Jan 19 01:27:41 2005


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