Re: opteron 146 thoughts on motherboards

[Robert L Cochran <cochranb@xxxxxxxxxxxxx>]

Bryan J. Smith wrote:

> On Fri, 2006-01-06 at 21:59 -0500, Robert L Cochran wrote:
>  
>
> > A big advantage is that you can recycle your existing memory sticks
> >    
>
> You can do that on _all_ Socket-754 and 939 mainboards.  The 184 and 368
> traces, 754 and 939 respectively, run directly to the CPU, and devide
> their clock from it.  This is not front side bottleneck (FSB) Intel
> technology where the memory clock affects the rest of the system.
>
> So you can use DDR200 (PC1600), DDR266 (PC2100), DDR333 (PC2700) and
> DDR400 (PC3200).  The only issue I've seen is maybe the number of DIMMs
> you can use.  JEDEC specs specify 3 DIMMs per DDR200 channel, 2 DIMMs
> per DDR266/333 channel and 1 DIMM per DDR400 channel.
>
>  
>
> > and video card to the Asrock.
> >    
>
> Now that's one of the neat designs of the ULI M1695/1567.  They have a
> _true_, _segmented_ AGP 3.0** slot, whereas some of the other
> chipset/cheap designs just connect the AGP to the shared, 32-bit PCI
> bus.  That's in addition to the PCIe x16 option.
>
> [ **NOTE:  It must be newer 1.5/0.8V AGP x4/8 card.
>  You can't use older 3.3V AGP x1/2/4 cards. ]
>
> Of course, I don't know how well the peripherals of the ULI M1567 are,
> so be _wary_ of possible Linux compatibility issues.
>
>  

I stand corrected over the memory, then. I've also changed my 3-pin PLED 
connector to a 2 pin configuration as suggested earlier simply by 
pulling one pin out and putting it in the middle position of the 
connector shell. I hadn't realized one can do that. Now my power LED 
works. I'm starting to wonder how to crimp those little connectors for 
other electronics projects.

Thanks

Bob




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