On 08-Jul-2003 Lukas Ertl wrote:
> On Tue, 8 Jul 2003, Marco Wertejuk wrote:
> 
>> Hi Lukas,
>>
>> | how do I enable Hyperthreading on a box that has just a single CPU?
>>
>> you just have to enable Hyperthreading in the computers
>> BIOS and compile a SMP Kernel with options HTT.
> 
> I would need to look a second time, but there is no such BIOS option, and
> "options HTT" was nuked in 5.1, replaced by machdep.hlt_logical_cpus,
> which I don't have on my system.

You need to enable SMP and APIC_IO in your kernel to use HTT.  Also,
the BIOS setting probably won't make a difference.

-- 

John Baldwin <[EMAIL PROTECTED]>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
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