[ltp] T41p ? :)

Chun-Yu Shei linux-thinkpad@linux-thinkpad.org
Thu, 15 Jan 2004 11:12:48 -0500


Vincent Touquet wrote:

>On Tue, Jan 13, 2004 at 12:31:21PM -0500, Chun-Yu Shei wrote:
>  
>
>>Very weird...every 855PM I've seen (IBM or not) that has PC2700 
>>installed runs it at 200 MHz.  I suppose CPU-Z could be lying, but I 
>>doubt it.  Maybe I'll run memtest86 and see if it's faster/slower.
>>    
>>
>
>On the other hand, it is quite logical, no :)
>Actually the fsb runs natively at 100Mhz, but it is quad pumped to reach 400Mhz.
>So it would seem logical to me that its impossible for the chipset to run the
>memory at 333Mhz (not a multiple of 100Mhz), but instead it runs at 200Mhz.
>
>I also wonder why nobody goes for dual channel ram in laptops, it seems like
>a good idea to me :)
>
>mvg
>
>Vincent
>  
>
No, the 855PM can run it **asynchronously* 
<http://www.google.com/url?sa=X&oi=dict&q=http://dictionary.reference.com/search%3Fq%3Dasynchronously%26r%3D67>* 
- I've seen PC2100 running at 266 MHz on it.

- Chun-Yu