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RE: News onthe kernel 1.14.x

> > > Please tell me about any TOS patch for AB040 which would help handling
> > > alternate memory. I haven't heard about any. The patches I know deal with
> > > reset routine, GEM in RAM and nice AB logo only.
> > 
> > What are the main problems with alt mem handling in AB?
> 
> The two SIMM slots on AB board are hardwired to two memory windows. The
> memory driver programs PMMU so it finds the SIMMs and join it
> together to one continual block beginning at virtual address $100000.
> 
> But this is not a 'TOS patch', it's just an alternate memory driver.

$100000? I.e. the Fast RAM is located within the 24-bit address space?

Konrad M.Kokoszkiewicz

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