Re: D-Link DWL-650 internals

From: Jouni Malinen (
Date: 2002-07-25 17:53:00 UTC

On Fri, Jul 12, 2002 at 09:32:13AM -0700, William R. Blodgett wrote:

> The D-Link DWL-650 is Prism 2.5 based. The DWL-650 in
> my laptop comes up as Prism 2.5 ISL3873.

Not all D-Link DWL-650 cards are Prism2.5 based.. I have one with NICID 0x8008 and I do not think it is Prism2.5. The ones with NICID 0x800c could be Prism2.5 based, although Intersil documents seem to use "PRISM II PCMCIA" description for 0x800c.

> > 1. Could any of u let me know whether D-Link DWL-650
> > is PRISM 2 based or PRISM 2.5 based. How to identify
> > these info ?

NICID or open the card and check which MAC chip it uses..

> > manual(AN9900.2). It mentions that those RID and
> > commands specified in that manual shall be used for
> > HFA 3842, HFA 3841 or Future PRISM MACs.
> > But I doubt whether the same manual information
> > shall be used to write driver for PRISM 2 as well as
> > PRISM 2.5
It seems to work fine also with Prism2.5 as well as Prism3.

Jouni Malinen                                            PGP id EFC895FA

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