| Subject: Re: PCMCIA network Card Slowness (aironet wireless) |
Author:
Matthew Winther
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Date Posted: 15:22:32 08/10/00 Thu
In reply to:
Dimitry Katkov
's message, "Re: PCMCIA network Card Slowness" on 01:18:18 05/11/00 Thu
> Described problem seems to be caused by memory regions
> conflict between flash driver and ethernet device. You
> can take a look at a source code of a network driver
> to find if it uses memory window and in which
> addresses. To find which addresses are used by flash
> drivers look at the file 'CmnFlLi.c' from linux
> development kit available on CompuLab website
> (www.compulab.co.il/download). There are twi defines :
> #define NAND_MEMORY_WIN 0xb4000 // 0xD9000
> #define NOR_MEMORY_WIN 0xB0000
After months of investigating, trouble shooting, and bug hunting it looks like this problem is finally clear. The problem is that there is a "BUG" in the 4800 series aironet wireless lan cards. At this point there is no fix. If one comes anong I'll post it.
> you can change these addresses to any addresses
> between 0xB0000 and 0xBFFFF or 0xD0000 and 0xDFFFF,
> 16kB window for each flash.
>
> Best regards,
> Dimitry.
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