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RE: 64 bit computers systems

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I think you are mixing issues.  Dual core is in relation to processors, no memory.
 
If you install 4 gb of memory (either four 1 gb DIMMs if you have 4 slots or two 2 gb DIMMs if you have two slots), you will NOT get the full 4 gb of memory as addressable memory.  It has to with the way Windoze deals with memory.  This link should help give you an explanation, but it does get somewhat technical:
 
 
The short of it is that a system running a 32-bit OS with 4 gb of actual RAM in the system will NOT make the full 4 gb available...it will be something between 3 and 4 gb.  The new system that I just built shows 3.5 gb when I go to Properties of the My Computer icon.  And Belarc Advisor shows 3584 mb of installed memory.  This is with four 1 gb DIMMs installed.
 
Regards,
 
Scott
Adrian, MI
-----Original Message-----
From: Jason Christensen [mailto:jason(--nospam--at)wcaeng.com]
Sent: Monday, October 29, 2007 4:06 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: 64 bit computers systems

So if I install (2) dual core 2gb, equaling 4gb, I will only be able to use ~3.5gb or windows will only recognize 3.5gb?

 

Jason

 

 

-----Original Message-----
From: Scott Maxwell [mailto:smaxwell(--nospam--at)umich.edu]
Sent: Monday, October 29, 2007 1:48 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: 64 bit computers systems

 

I will agree with Bill (does that mean that the world is about to end?)...don't bother with 64-bit Windoze at this time.  The ONLY reason is if you need/want to use more memory than 4 gb (as a side note, 32-bit Windoze actually does not address the full 4 gb as user useable memory...you only get about 3.5 gb of user able memory...this is a legacy of how Windoze/DOS uses memory back from the early days).  On the other hand, you will have a CRAP load of problems with compatible programs and drivers.  You are likely much better off just sticking with 32-bit Windoze and maxing out the memory.

 

I will say that CADD workstations are typically the one area where 64-bit Windoze start to make sense, but that can potentially get mucked up if you are running other programs other than CADD (i.e. structural apps or regular productivity apps).

 

Regards,

 

Scott

Adrian, MI 

-----Original Message-----
From: Bill Polhemus [mailto:bill(--nospam--at)polhemus.cc]
Sent: Monday, October 29, 2007 2:58 PM
To: seaint(--nospam--at)seaint.org
Subject: Re: 64 bit computers systems

Jason Christensen wrote:

Has anyone had experience with running AutoCAD Lt 2006, enercalc, Ram and other engineering programs on a Windows XP Pro 64 bit edition.  I am thinking of upgrading my computer, and am not going to go to Vista but would at least like to get to the 64 bit systems.

 

 

I would not advise using the 64-bit version of Windows at this time. The performance is not noticeably better and the lack of drivers is more than a little annoying. I accidentally installed a version of it on a homebrew computer I'd made a few months back - didn't notice the disk I grabbed was 64-bit, and after I discovered the mistake decided to experiment a bit.

Unless you have very "regular" equipment, you run quickly into a big problem. For instance, I have an M-Audio card that can be used for "pro-sumer" level audio recording, and there are NO drivers for 64-bit Windows AT ALL, re the M-Audio website. Lots and lots of other "niggly" annoyances along the same vein.

Get your 64-bit system, and make sure you stock it with 4 GB of RAM. You'll be fine with 32-bit Windows, even though it "only" can address that 4 GB. But it's hardly the same thing as when we reached the 1 MB limit of 16-bit processors back in the day.

(N.B. as for Vista, based on my brief experience installing IT on my experimental machine, I wouldn't wish it on my worst enemy!)
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