Satellite A200: Slow WLAN speed with Atheros AR5007EG

Hi there,
I recently bought an Satellite A200 with an Atheros 5007eg wireless lan adapter. I am using Vista. And i'm using a d-link router.
My problem is the following:
Somehow, when I download it only produces 1/4th of the speed I get when i connect it directly to my modem... Ive tried downloading new drivers, but no help there.
Can someone help me pls? I already talked to toshiba NL, they told me to send it to them, they had it for three weeks and then sent it back without doing anything.

As far as I know an BIOS and the Atheros driver update should clear this issue.
A friend of mine has the same notebook and he has updated the both mentioned thing and it works great.
The BIOS update you will find on the Toshiba European driver page and the Atheros WLan driver here:
http://aps.toshiba-tro.de/wlan/
Bye

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