Date: Wed, 21 May 1997 9:02:43 -0400 From: Dan Welch <WELCHDW@wofford.edu> To: stesin@gu.net Cc: HARDWARE@FREEBSD.ORG, WELCHDW@wofford.edu Subject: Re: isa bus and boca multiport boards Message-ID: <970521090243.22a1ce87@wofford.edu>
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>> > And, IRQ 12 is used for PS/2 mouse ports built into motherboards.
>>
>> I used the cmos setup to turn that off. Is that reliable?
>
> No. I've seen myself that disabling PS/2 mouse
> in BIOS doesn't leave IRQ12 for you -- last time
> that was on Packard Bell 486 box, with Phoenix BIOS,
> when we tried to install second AHA-1542 in it.
>
> Despite of disabling PS/2 in BIOS, 1542 did all kinds
> of strange and mysterious things ("going to polling
> mode", loosing interrupts, etc.) until we moved it
> from IRQ12 to some other one.
Just as I feared ... thanks for sharing your experience.
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