Date: Thu, 10 Jul 2003 00:09:21 +0200 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: Jens Rehsack <rehsack@liwing.de> Cc: l.ertl@univie.ac.at Subject: Re: HTT on single CPU? Message-ID: <20030709220921.GB28401@freebie.xs4all.nl> In-Reply-To: <3F0C8F20.6040102@liwing.de> References: <20030709123734.GA50458@nagual.pp.ru> <3F0C0ED6.4030202@liwing.de> <20030709150718.GC28375@Odin.AC.HMC.Edu> <20030709.151856.81408195.imp@bsdimp.com> <3F0C8F20.6040102@liwing.de>
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On Wed, Jul 09, 2003 at 11:54:40PM +0200, Jens Rehsack wrote:
> M. Warner Losh wrote:
>
> >In message: <20030709150718.GC28375@Odin.AC.HMC.Edu>
> > Brooks Davis <brooks@one-eyed-alien.net> writes:
> >: P4's below ~3.1GHz do not actually provide logical CPU support.
> >
> >We have several 2.4GHz parts that appear to contradict this
> >statement. However, we can't use HTT w/o a proper motherboard that
> >supports HTT CPUs.
>
> How can I found out whether a board supports HTT or not?
> I haven't seen it in none description I checked. Are some
> chipsets (865, 875) always ready or is the bios programmer
> the guy who must activate this feature?
865 definitely is:
FreeBSD 4.8-STABLE #1: Tue Jul 8 21:33:34 CEST 2003
root@freebie.xs4all.nl:/usr/src/sys/compile/SMPFREEBIE
Timecounter "i8254" frequency 1193182 Hz
CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2398.86-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf29 Stepping = 9
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Hyperthreading: 2 logical CPUs
real memory = 536018944 (523456K bytes)
avail memory = 517574656 (505444K bytes)
Programming 24 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
FreeBSD/SMP: Multiprocessor motherboard
cpu0 (BSP): apic id: 0, version: 0x00050014, at 0xfee00000
cpu1 (AP): apic id: 1, version: 0x00050014, at 0xfee00000
io0 (APIC): apic id: 2, version: 0x00178020, at 0xfec00000
Preloaded elf kernel "kernel" at 0xc03e2000.
Pentium Pro MTRR support enabled
Using $PIR table, 14 entries at 0xc00f53c0
apm0: <APM BIOS> on motherboard
apm0: found APM BIOS v1.2, connected at v1.2
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
IOAPIC #0 intpin 16 -> irq 2
IOAPIC #0 intpin 19 -> irq 5
IOAPIC #0 intpin 18 -> irq 10
IOAPIC #0 intpin 17 -> irq 11
pci0: <PCI bus> on pcib0
agp0: <Intel 82865 host to AGP bridge> mem 0xf8000000-0xfbffffff at device
0.0 on pci0
pcib1: <PCI to PCI bridge (vendor=8086 device=2571)> at device 1.0 on pci0
--
| / o / /_ _ wilko@FreeBSD.org
|/|/ / / /( (_) Bulte
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