Re: version of firmwares needed for allowing RAM loading of STA f/w

From: Dominique Blas (ml_at_blas.net)
Date: 2002-09-26 23:38:59 UTC

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Le Mercredi 25 Septembre 2002 17:39, Jouni Malinen a écrit :
> On Wed, Sep 25, 2002 at 05:27:06PM +0200, Dominique Blas wrote:
> > but wich version of primary firmware (or secondary firmware) is needed to
> > allow RAM loading of the secondary firmware ?
>
> That depends on which version of the secondary firmware you are going to
> download..
>

I finally made a upgrade with the linksys utility. So now :

	PRI = 1.1.0
	STA = 1.4.2

As the 1.4.2 is know not to work in AP mode I downloaded in RAM the 1.4.9 (first to be sure that the R010409 I had was correct and second because this download could be interesting in a deployment) found in a link announced here.

Well, prism2_rsec said OK and I could verify in the log :

	PRI = 1.1.0
	STA = 1.4.9

But my WMP11 doesn't work in AP mode yet !

So where could be the problem now ?
I posted a question concerning this point.

> > I tried to test with prism2_srec and a R010409.HEX
>
> I have successfully downloaded 1.4.9 with primary firmware version 1.0.7
> (1.0.5 is too old; don't know about 1.0.6). This was on a Prism2.5 PCI
> card; YMMV with other cards.. Anyway, this would be easier
> if also the primary firmware could be downloaded into RAM at the same
> time. There is an image that might work in this way, but I haven't so
> far successfully downloaded it with a secondary firmware.

I've successfully downloader a 1.4.9 with PRI=1.1.0 and flash STA = 1.4.2.

But I don't understand the relation between the PRI and the fact that you can download or not a new PRI and/or a new STA ? When you download in Flash you erase the part you'll download, don't you? So, at least, you could download a PRI that don't work at all against the hardware but how could you for the PRI in RAM be at higher priority than the one in flash ?
Do you want to say that new PRI could have a hook that test a signature in RAM and jump to it if it's correct ?
Same thing at the end of the PRI in RAM that tests the existence of a STA in RAM ?
>>From which RAM do we talk about ? The PC RAM or the HFA3xxx RAM ?
If it's the PC RAM is it not to slow to make come and go from the prism chipset ?

thanks,

db

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