Re: AMD64-based laptops from HP/Compaq are crippled

From: Robert Klute (news_at_klute.us)
Date: 07/05/05


Date: Tue, 05 Jul 2005 07:56:12 GMT

On Tue, 05 Jul 2005 00:22:20 -0700, alex goldman <hello@spamm.er> wrote:

>Robert Klute wrote:
>
>> On Mon, 04 Jul 2005 23:19:07 -0700, alex goldman <hello@spamm.er> wrote:
>>
>>>Robert Klute wrote:
>>>
>>>> On Mon, 04 Jul 2005 20:46:58 -0700, alex goldman <hello@spamm.er> wrote:
>>>>
>>>>>I've been researching my next laptop purchase, and whether it will run
>>>>>Linux, and completely accidentally stumbled upon an alarming issue that
>>>>>people need to be more aware about.
>>>>>
>>>>>Apparently (and if my understanding is correct), HP/Compaq disables
>>>>>dual-channel memory access in Socket 939 motherboards, making CPU <->
>>>>>RAM communication slower, and overall performance less than what people
>>>>>would expect when buying a system with the outward characteristics of
>>>>>what they think they are getting.
>>>>>
>>>>>http://zv6000forums.com/viewtopic.php?t=148
>>>>
>>>> The laptops use the Turion chip.
>>>
>>>Wrong. _Some_ of the laptops use the Turion chip (quite few as of this
>>>writing, actually).
>>
>> The zv6000, the laptop under discussion here and in the forum you
>> referenced, uses the Turion chip.
>
>Wrong.
>
>Go to hp.com,
>
>http://www.shopping.hp.com/webapp/shopping/computer_series.do?storeName=computer_store&category=notebooks/hp_pavilion&series_name=zv6000_series&catLevel=2&tab_switch=true&tab=specs
>
>you'll get
>
> Choices:
>AMD Sempron(TM) 3000+ (1.8GHz/128KB L2 Cache)
>AMD Sempron(TM) 3200+ (1.8GHz/256KB L2 Cache)
>AMD Athlon(TM) 64 3200+ (2.0GHz/512KB L2 Cache)
>AMD Athlon(TM) 64 3500+ (2.2GHz/512KB L2 Cache)
>AMD Athlon(TM) 64 3800+ (2.4GHz/512KB L2 Cache)
>AMD Athlon(TM) 64 4000+ (2.4GHz/1MB l2 Cache)
>
>
>May I ask why you insist on spreading misinformation *after* you've been
>corrected?

OK, so I am the idiot, HP is using the 939 chips. Damn, how big is the
auxillary fan unit you have to lug around with it? If you plan on using
the CPU, disk and display at the same time, you better get the 120W
brick instead of the 90W version.