Greetings to all,

I have bought a USB 2.0 4 port hub from my local dealer, without any
apparent sensible designations, so i suppose it is some kind of generic
hub. For what is worth, the following is inscribed on PCB:

HUB2.0---LY001
YL:13825121401

The hub itself is based on Genesys Logic's GL850A chip. But the problem
starts when i connect it to a computer(s) with Windows XP SP1. The hub
itself is properly recognized, but any device i connect (mouse, keyboard,
USB flash stick...) is not - Windows recognize it like an "Unknown
device". At a glance, one would thing that hub is malfunctioning, and
prior to taking it back for warranty, i decided to try it on my laptop
with Win ME. Voila, it works without a problem. Laptop with W2k SP4, same
thing, along with desktop computers with W2k SP4.

WXP machines are KT400 i.e. i865, so i suppose that the chipset issue can
be easily dismissed. I have also tried connecting the hub to various ports
(starting from USB 2.0 to 1.1), but with no effect. Both Windows
installations have been installed recently, and all potential problematic
programs (firewalls, anti virus programs) were shut down.

Any ideas would be appreciated. However, i must note that migrating to SP2
is highly undesirable, as for it is necessary, i would rather use some
sort of patch or update.

Thank you in advance.

--
Documentation is like sex: when it's good, it's very, very good; when it's
bad, it's better than nothing.

On 03/01/2006 Bubba <nickname@hcp.hr> wrote:
>Greetings to all,
>
>I have bought a USB 2.0 4 port hub from my local dealer, without any
>apparent sensible designations, so i suppose it is some kind of generic
>hub. For what is worth, the following is inscribed on PCB:
>
>HUB2.0---LY001
>YL:13825121401
>
>The hub itself is based on Genesys Logic's GL850A chip. But the problem
>starts when i connect it to a computer(s) with Windows XP SP1. The hub
>itself is properly recognized, but any device i connect (mouse, keyboard,
>USB flash stick...) is not - Windows recognize it like an "Unknown
>device". At a glance, one would thing that hub is malfunctioning, and
>prior to taking it back for warranty, i decided to try it on my laptop
>with Win ME. Voila, it works without a problem. Laptop with W2k SP4, same
>thing, along with desktop computers with W2k SP4.
>
>WXP machines are KT400 i.e. i865, so i suppose that the chipset issue can
>be easily dismissed. I have also tried connecting the hub to various ports
>(starting from USB 2.0 to 1.1), but with no effect. Both Windows
>installations have been installed recently, and all potential problematic
>programs (firewalls, anti virus programs) were shut down.
>
>Any ideas would be appreciated. However, i must note that migrating to SP2
>is highly undesirable, as for it is necessary, i would rather use some
>sort of patch or update.
>
>Thank you in advance.
>

Did you install the latest available motheroard chipset drivers? Not familiar
with you KT 400 but if the chipset is based on a VIA chipset, you may need to
also apply the USB filter for VIA Hyperion 4 in 1 chipset drivers.

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Y.