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Old 08-07-2004, 03:23 PM   #21 (permalink)
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so then the 939 is better? what is ECC ram? is it better then other ram?
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Old 08-07-2004, 08:57 PM   #22 (permalink)
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ECC sucks therefore the 939 is better.
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Old 08-22-2004, 11:03 PM   #23 (permalink)
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ECC is a lot more expensive...
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Old 08-22-2004, 11:17 PM   #24 (permalink)
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940 requires registered ram . . .

939 works with unbuffered . . .

athlon 64 => 939

opteron => 940
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Old 08-22-2004, 11:19 PM   #25 (permalink)
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what is the opteron...i know it's cpu but what makes if diff from fx and so on...server based?
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Old 08-22-2004, 11:20 PM   #26 (permalink)
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its like intel's xeon
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Old 08-22-2004, 11:23 PM   #27 (permalink)
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ahha...got it.
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Old 08-23-2004, 03:06 AM   #28 (permalink)
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The math is something like this:

Old school computers were capable of running 8-bits of data at a time in the CPU registers. This allowed a total addressable memory of (binary numerical system) 2^ (bits) 8 = 256 bytes.

Then 16-bit CPUs, starting with the 386, were designed capable of running 16-bits of data in its registers and was able to address 2^16 = 65,536 bytes memory. This was back in the MS-DOS and early Windows 3.1 days. By the time Windows 3.1 was released people were experiencing lag and very poor performance using this OS due to the lack of memory addressing required to render the images displayed on screen.

Windows 95 then submerged with the Intel Pentium CPU capable of addressing 2^32 = 4,294,967,296 bytes or roughly 4GB of addressable memory and a huge difference was noticed that changed the computer industry. This obviously included OSs such as Windows 95, 98, ME and XP (32-bit).

The new evolution of the 64-bit processors brings the capability of processing 64-bits of data in its registers allowing it to address memory up to 2^64 = 18,446,744,073,709,551,616 bytes or 18.4EB (ExaBytes) of addressable memory. This number is hard to fathom as it would take 18 quadrillion (18,014 trillion) 1GB sticks of RAM to fully take advantage of this capacity compared to the 4GB max earlier, and still widely used, 32-bit processors can handle.

This means that the difference in 64-bit processors compared to 32-bit processors is the same as what people experienced when the 32-bit processor, or Pentium, was invented and the transition from MS-DOS (16-bit) to Windows 95 (32-bit) took place. We saw a large difference although few truly understood what had taken place to allow such a transition. We are in the same boat today; it will take some time for us to fully utilize the processing power of the 64-bit processor and come to use an OS that will make such a difference as Windows 95 did back in the Windows 3.1 and DOS days. Hopefully that clears it up. BTW, I didn't read all the posts so don't complain if someone already mentioned this. Just thought I'd throw in my two cents
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Old 08-23-2004, 03:12 AM   #29 (permalink)
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wow . . . thats a lotta memory . . .

and we still have yet to make a single 2GB dimm . . .

or at least, a consumer one for desktops . . .
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Old 08-23-2004, 04:59 PM   #30 (permalink)
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Superb.

I'll sleep tonight !!

So my original quote of

Quote:
“to compare a 32bit processor with a 64bit processor, the difference is that vast, it would be like comparing a jug of water with the Atlantic ocean”
was right enuff then

Cheers for the info
Copper
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