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Old 2009-12-20, 14:48   #1
ET_
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"Luigi"
Aug 2002
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Default New hardware specs needed

My old, brave PC died yesterday.

I need a new box, ready to run 64 bit for GIMPS and factorization tasks.

I learnt a lot here: Intel i5 are the best (and cheapest) for LL, while AMDs work better with GMP.

My preferred software:

- mprime/Prime95
- msieve/GGNFS
- PFGW
- fermatGMP
- Sievers that use GMP/Geoff's implementation

I also noticed a big growth in GPU programming, so I could be interested in buying a graphic card on the leading edge (maybe I'll wait for GX300 to be released)

Limitations:

- 64 bit Linux should be run from a USB key.
- I have 2 GB of RAM DDR2-800 that I would like to maintain, eventually taking the system to 4GB.
- I must preserve my old Windows XP-32 bit partition, or upgrade it to 64 bit after the building of the system (My old HDs with Nero32 should keep as they are now)
- I would like to avoid spending money on the last, fastest CPU, and stay on the best bank-fro-buck system.
- I usually choose ASUS motherboards.

What I need:

- Some information about motherboard/CPU pairs giving their best with DDR2-800 and with PATA disc controllers.
- Some information on mounting XP86-64 over my old XP-32 without reinstalling the system from scratch (if ever possible).
- Comments and ideas...

Thanks to you all!

Luigi
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Old 2009-12-20, 14:53   #2
moebius
 
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Jul 2009
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Talking

May he rest in peace, he certainly has done good service.
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Old 2009-12-20, 19:14   #3
henryzz
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"David"
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Liverpool (GMT/BST)

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Default

Quote:
Originally Posted by ET_ View Post
- Some information on mounting XP86-64 over my old XP-32 without reinstalling the system from scratch (if ever possible).
the upgrade version of windows 7-64 might install over xp-32 but i doubt xp-64 will install over xp-32
the retail version of vista ultimate(and quite probably win 7) had(maybe has still) an option to upgrade from 32-bit to 64-bit
i would recomend a new install though
edit: if you end up needing to leave xp skip vista and go straight to windows 7

Last fiddled with by henryzz on 2009-12-20 at 19:15
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Old 2009-12-21, 12:58   #4
nucleon
 
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Mar 2003
Melbourne

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You can't use DDR2 with corei5/i7s. Memory is cheap. i5 platform + DDR3 = win.

Win7 technically can install over vista but not XP, but it's like for like. Win7-32 over Vista-32 OR Win7-64 over Vista-64. But no one upgrades over the top anyhow - danger danger Wil Robinson. Of all the web pages I've read and people I've talked to - it's re-install if you want to upgrade windows version.

I haven't seen a motherboard over the last couple of years that can't boot from usb device.

I have a gigabyte ud5 mboard for my corei7-9xx, and it has a PATA port (I've also used it to boot from usb key). But I must admit, I only connect a CDrom up to the PATA port.

-- Craig
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Old 2009-12-21, 15:19   #5
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"Luigi"
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Thank you for your replies.

I'm biased towards the following system:

Asus P7P55 Deluxe
Intel Core I5 750
4 GB of DDR3 PC8500 RAM

Any links where I can study CUDA and GTX video boards use for distributed computing?

Luigi
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