AMD64 X2

[Scott Long]

Brooks Davis wrote:

> On Fri, Jul 01, 2005 at 09:53:27PM +0800, Jia-Shiun Li wrote:
> 
>>On 7/1/05, Guy Dawson <guy at crossflight.co.uk> wrote:
>>
>>>David O'Brien wrote:
>>>
>>>>It really should be that simple.  All the external interfaces and pins
>>>>are the same for Athlon64-939 and Athlon64 X2.  They have the same
>>>>thermal specifications, etc...
>>>
>>>It's the only way AMD could reasonably do it. To require a different
>>>motherboard for X1 (?) and X2 chips would have the mobo makers rioting!
>>
>>That's what Intel did. Requiring a new i945/i955-based board for their
>>rushed dual-core CPUs. Only use the same socket but varied pin
>>definition. If you put the new CPU on an i915 board, it will shutdown
>>automatically to 'protect'. In contrast Athlon64 claimed to be
>>designed with dual-core capability in mind from the beginning.
> 
> 
> It is worth noting that some motherboard manufactures did produce boards
> that don't work with dual core opterons.  In particular the Tyan K8SR
> prior to rev-D doesn't work because they proview a couple too few watts
> to the CPU sockets.
> 
> -- Brooks
> 

The Asus A8V-E series also does not work.  Asus claims that it's a 
limitation of the Via K8T890 chipset, which is highly unfortunate
since it's otherwise a good motherboard.  Not sure whether to be
upset at Asus or Via here, but either way I guess both suck =-)

Scott