RE: Mersenne: christmas computer system?

2002-11-25 Thread Ryan Malayter
From: John R Pierce [mailto:[EMAIL PROTECTED]] > ok, true. I forgot VIA is allowing this. AFAIK, > the i845pe doesn't support memory faster than the > CPU FSB (it allows SLOWER memory, the older i845e > only supported 100/200Mhz DDR w/a 133/266/533 CPU bus). Look again... the 845PE and 845GE

Re: Mersenne: christmas computer system?

2002-11-25 Thread John R Pierce
> > the fastest P4 cpus have a rated FSB of 533 (which is 266*2). running the > > bus at 333(666) would be overclocking. > > Ah, but most modern mobos can run the memory asynchronously to the processor > bus. I think this goes back some way - certainly the Abit KT7A board (Athlon) > could run th

RE: Mersenne: christmas computer system?

2002-11-25 Thread Ryan Malayter
From: John R Pierce [mailto:[EMAIL PROTECTED]] >the fastest P4 cpus have a rated FSB of 533 >(which is 266*2). running the bus at 333(666) >would be overclocking. No, it wouldn't. I don't think you understand how the memory architecture of a modern Intel chipset works. The memory clock spee

Re: Mersenne: christmas computer system?

2002-11-25 Thread John R Pierce
> Get a P4 motherboard that supportes DDR333 (PC2700). Then buy the > "Extreme" PC2700 memory from www.corsair.com. It has a significant > performance-enhancing feature: 2.0 cycle latency versus the more > standard 2.5. This high-performance Corsair memory only costs a few > bucks more than standar

RE: Mersenne: christmas computer system?

2002-11-25 Thread Aaron
Personally, I just ordered a brand spankin' new Compaq server (ugh... HP server now) with dual P4 Xeon 2.8 GHZ processors, 3GB of RAM. I can't wait to get my hot little hands on that and see just how well it crunches the #'s. It's memory is 200MHz DDR (FSB is 400MHz), advanced ECC (Compaq's versi

RE: Mersenne: christmas computer system?

2002-11-25 Thread Ryan Malayter
Get a P4 motherboard that supportes DDR333 (PC2700). Then buy the "Extreme" PC2700 memory from www.corsair.com. It has a significant performance-enhancing feature: 2.0 cycle latency versus the more standard 2.5. This high-performance Corsair memory only costs a few bucks more than standard PC2700 s

Re: Mersenne: christmas computer system?

2002-11-24 Thread Brian Dessent
John R Pierce wrote: > > > $83 Teac CDW540E 40/12/48 cd-rw burner > > > > Seems a bit expensive. There's little point in going for superfast > > write/rewrite performance; either you can't get media much faster than > 24xW / > > 8xRW, or you can't justify the price premium. > > those are very f

Re: Mersenne: christmas computer system?

2002-11-24 Thread John R Pierce
(yet more PC hardware details below... feel free to skip this if isn't your thing...) > > $213 Intel Retail P4-2.4"B" (these have the 533MHz bus) > > 2.53B should be very little more expensive. Last time I checked the first big > price step was still between 2.5A/2.53B and 2.6A/2.66B. my store

Re: Mersenne: christmas computer system?

2002-11-24 Thread Brian J. Beesley
On Sunday 24 November 2002 18:47, John R Pierce wrote: > > my shopping list for a reasonably priced high quality P4 right now is, with > prices from my local cloneshop (not the cheapest place, but good > service)... > > $213 Intel Retail P4-2.4"B" (these have the 533MHz bus) 2.53B should be very

Re: Mersenne: christmas computer system?

2002-11-24 Thread John R Pierce
> Personally - although this is distinctly unfashionable - I far prefer Rambus > memory - so far as GIMPS is concerned, a 2.53 GHz P4 using PC1066 Rambus > memory (implying the i850E chipset) will outperform _any_ system up to 2.8 > GHz using DDR memory. The point here is that the total memory band

Re: Mersenne: christmas computer system?

2002-11-24 Thread Brian J. Beesley
On Sunday 24 November 2002 15:55, you wrote: > I'm giving my brother's family a new computer for christmas. > He'll buy it from a local (to him) 'white box' pc store and I'll > pay for it. I am a little concerned about performance because > the pc will probably be running GIMPS and I'd

Re: Mersenne: christmas computer system?

2002-11-24 Thread John R Pierce
> I'm giving my brother's family a new computer for christmas. > He'll buy it from a local (to him) 'white box' pc store and I'll > pay for it. I am a little concerned about performance because > the pc will probably be running GIMPS and I'd like to get my > money's worth. It's easy to request a

RE: Mersenne: christmas computer system?

2002-11-24 Thread Matt Goodrich
You definitely want the video card with it's own memory. If you feel like doing some reading go to http://www.tomshardware.com Lots of info on the newest (and not so new) hardware there. Matt -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Russel Bro