Re: Access more than 1MB in ISA Bus
From: Bill Marcum (spamtrap_at_crayne.org)
Date: 02/27/05
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Date: Sat, 26 Feb 2005 23:50:42 +0000 (UTC)
On Sat, 26 Feb 2005 07:01:44 +0000 (UTC), spamtrap@crayne.org
<spamtrap@crayne.org> wrote:
> hi,i want to access more than 1MB size of address space in ISA Bus. It
> is the Pentium processor system with Win98 OS. The ISA Bus drive thru'
> using 82371AB(PIIX). The TOM (Top Of Memmory) register is assigned to
> 0xF2. I am not placing the ISA card in the slot insteed of probing the
> BALE, WR, RD and Address Line signal while generating cycles. The
> driver software code is generated from jungo DDK tool and linked with
> VC++ 6.0. The respective signals are getting while accessing within 1MB
> size. Can you help to access more than 1MB size momory.
>
> Thank you,
> shiv.
>
What are you doing with the ISA bus? Trying to use an ISA memory or
video card? Have you enabled A20?
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