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Date:      Thu, 19 Apr 2001 23:07:52 -0600
From:      Warner Losh <imp@harmony.village.org>
To:        Poul-Henning Kamp <phk@critter.freebsd.dk>
Cc:        David Miller <dmiller@sparks.net>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: [OT] parallel port for IO? 
Message-ID:  <200104200507.f3K57q810028@harmony.village.org>
In-Reply-To: Your message of "Fri, 20 Apr 2001 06:49:07 %2B0200." <66167.987742147@critter> 
References:  <66167.987742147@critter>  

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In message <66167.987742147@critter> Poul-Henning Kamp writes:
: Then the disk is probably running in PIO mode which thrashes your
: interrrupts.

That's likely right.  This was a real low end machine, designed to be
smalffl and cheap.

: >The pentium systems were much better about this.
: 
: Probably because it ran DMA...

Yes.  And a higher clock rate.  And faster memory.  And no disk (CF
only, but that was read only).  And more memory.

Wanrer

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