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EM64T Notebook

Started by 666_1337 Mar 14, 2005 at 5:36 AM 0 replies 1k views

Original Post

Mar 14, 2005 at 5:36 AM

Hello I'm about to buy myself a notebook. Since my Desktop PC is relatively aged, the 64 Bit IA32 Processors have twice the register count than its 32 Bit counterparts and I think SSE3 is more interresting to me than 3DNow! I would like it to have one of intel's _new_ EM64T-Supporting Pentium 4 Processors. However, saying that noone will have more than 4 Gigabytes Memory in a Notebook during the next years Intel doesn't officialy have a EM64T-Notebook Chip... While looking around in online shops I found several notebooks with Intel Penium 4 550 Processors. Intel's Proccessor Register sais that the P4 550 is installed into a LGA775 Slot - just like the P4 650 - that has EM64T. Can I easily replace the P4 550 with a P4 650? Will there be complications because of the 64 Bit Memory Addressing Mode? or is it imposible? ( I was not able to retrieve either the notebook-mainboard's names or specs ) EDIT: of cause I would like to run the notebook in 64 Bit mode.

vNistelrooy

Mar 14, 2005 at 5:51 AM

Uh:
1) Both the 5xx and 6xx CPUs use the LGA775 socket so replacing a 550 with a 650 should be easy.
2) SSE is supported in all Prescott CPUs.
3) Intel doesn't have a EMT64 mobile CPU yet not because nobody needs >4GB RAM but because EMT64 CPUs are still new.
4) EMT64 CPUs (as well as AMD's x86-64) have not only twice the registers but more importantly the registers are twice the size.

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