> 
> Manuel Bouyer writes:
>  > Hi,
>  > i've got a problem whith the aha1542.c driver.
> [...]
>  > sometines, all works fine.
>  > 
>  > sometimes, i get from aha0 a 'aha0: DMA beyond end of ISA' (depending on
>  > how the malloc was performed, i think)
>  > as i've only 16 Meg RAM
>  > 
>  > I am doing something wrong ?
>  > I'm using the tar_files of Apr 10 (aha1542.c is Apr  9)
>  > 
>  > Here is what i get at boot: 
>  > 
>  >  CPU: i486DX (486-class CPU)
>  >  real mem  = 16646144
>  >  avail mem = 14553088
> [...]
> Here's my guess: Your real mem seems to be full 16M minus 128k of shadow ram
> (Main+Video BIOS ?), so your chipset obviously is able to "remap" unused RAM
> otherwise hidden in the 384k adaptor ROM space to the end of mem, which then
> extends 16M.

You're certainly rigth. Y've changed my bios setup, and the scsi seems to
work better. Thanks for your help.

--
Manuel Bouyer, Ecole Nationale Superieure de Techniques Avancees, Paris
email: bouyer@ensta.fr
--

------------------------------------------------------------------------------