[Date Prev][Date Next] [Chronological] [Thread] [Top]

Re: [rtl] about local APICs

To: rtl@rtlinux.cs.nmt.edu
Subject: Re: [rtl] about local APICs
From: Michael Barabanov <baraban@zappa.spb.su>
Date: Tue, 7 Apr 1998 21:39:51 +0400
In-Reply-To: <01BD6251.CB2F7540@pc-mante.aero.polimi.it>; from Paolo Mantegazza on Tue, Apr 07, 1998 at 06:20:00PM +0400
References: <01BD6251.CB2F7540@pc-mante.aero.polimi.it>

Paolo Mantegazza (mantegazza@aero.polimi.it) wrote:
> I have a single CPU Pentium II and I tried to verify that
> is has a local APIC by using
>  the asm instruction "cpuid" and looked at bit 9 of register
> "edx" but it was not set.

Same with my MMX Pentium. AFAIK, local APICs can be disabled by a signal
on a CPU pin, and it seems like most single-cpu motherboard
manufacturers do disable in-cpu APICs.

Michael.
--- [rtl] ---
For more information on Real-Time Linux see:
http://rtlinux.cs.nmt.edu/

References:
- [rtl] about local APICs
  - From: Paolo Mantegazza <mantegazza@aero.polimi.it>

Prev by Date: [rtl] about local APICs
Next by Date: [rtl] RT-Linux in recent 2.1.* kernels ?
Index(es):
- Chronological
- Thread