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Date: Fri, 23 Sep 2005 18:05:19 -0400 (EDT)
From: "A. Khattri" <ajai@bway.net>
To: gentoo-server@lists.gentoo.org
Subject: Re: [gentoo-server] HT on P4?
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On Fri, 23 Sep 2005, kashani wrote:

> A. Khattri wrote:
> > I switched on SMP and HT when building my kernel but I see this among the
> > boot messages:
> >
> > CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
> > 0000441d 00000000 00000000
> > CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000
> > 0000441d 00000000 00000000
> > monitor/mwait feature present.
> > using mwait in idle threads.
> > CPU: Trace cache: 12K uops, L1 D cache: 16K
> > CPU: L2 cache: 1024K
> > CPU: Hyper-Threading is disabled
>
> Is it possible it's disabled in the Bios? Some servers shipped that way
> when they first came out IIRC.

I didn't find any BIOS setting unfortunately...

This is a Supermicro 5013C-T server with a P4 (P4SCE?) board in it.

# cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 4
model name      : Intel(R) Pentium(R) 4 CPU 2.40GHz
stepping        : 1
cpu MHz         : 2395.003
cache size      : 1024 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
flags           : 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 ht tm pbe pni monitor
ds_cpl cid xtpr
bogomips        : 4718.59


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