TEW-USB firmware upgrade, How to ?

"Ingegno di Luca Maccio'" <[email protected]> Fri, 8 Oct 2004 13:33:18 +0200
Newsgroups gmane.linux.drivers.atmel-wlan
Message-ID <[email protected]>
Hello, I've old TEW-USB (AT76C503A) with firmware 0.84.0.0.

On Trendware web page I've find new firmware (two file: External.rom, =
Internal.rom)

I don't know how to proceed at upgrade.=20

I can also backup old firmware inside ?

Best regards, Luca.