IDE in Mode 1 (Sandpoint) how ?

Sarnath Kannan sparc64 at
Tue Nov 13 19:17:39 EST 2001

hi Dan,

> Nope.  All of the kernel print out is polled I/O.
  yeah ! Thats right.

>me: .....  But thats
>me: not the case. Why should it be slow after INIT
>me: up ?
> Because it uses interrupt driven serial I/O.

  I'am currently investigating that code path, Dan.
  We have also come to the same conclusion as u.
  But believe me, I had tried with all possible
  Switch settings, S3,S4,S5,S6. :-( Its tantalising !
  This means that all ISA interrupts are not
  being routed properly. One more, I haven't
  initialized the WinBond, coz reset values seem
  meaninful. Could that be the reason for
  this ?
> Believe me, all of us using Sandpoints have seen this
> before.
> Your interrupt/arbitration routing switches on the
> board are wrong.

  Any suggestion from experienced people is welcome.

Is there any other switch, other than the S3,S4,S5,S6
I need to worry about.


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