RE: Windows Vista, not quite alt
Thanks to all.
The new computers that I checked come with Vista 64, so the memory could be loaded to some very high numbers. Higher end machines come with 6GB of memory. Checking Adobe site, I noticed their lack of (or lagging) support for Photosop in 64 bit version. Looks like instead of a plug-in or a fix they will issue a new version, so they can charge more $$.
Marek
> Date: Mon, 25 Aug 2008 23:23:37 +0100
> From: iain.coghill@eiflex.com
> Subject: Re: Windows Vista, not quite alt
> To: alt-photo-process-l@usask.ca
>
> It is a bit more complicated than that :-(
>
> The 4 gig maximum installed memory is due to the biggest number
> expressible in 32 bits being about 4 billion (actually 4294967296 ). As
> each memory element must be accessed using a unique number there can
> only be 4 billion address elements (known as the address space).
> Unfortunately this address space is shared with your graphics card and
> other peripherals. To be safe Windows (XP and Vista) actually limits
> applications to access 2 gig each, the remainder reserved for those
> peripherals and Windows itself. Some applications (I am pretty sure
> Photoshop is one of them) can be made to access up to 3 gig but only if
> you fiddle with system files to use the so-called 3gb switch. Google it
> if you are interested. Be warned that this may conflict with badly
> behaved installed hardware which expects to have that space to itself.
> Suck it and see.
>
> All this does not mean that all the extra RAM above 2 gig is wasted. If
> you have more than one application running their combined memory
> allocation may be above 2 gig but limited to a max of 2 gig per
> application. The total can never be the full 4 gig however as the
> aforementioned graphics cards etc still need their piece of the pie.
>
> Hope that is slightly clearer than mud.
>
> Iain
>
> Robert Hall wrote:
> > Can Vista use all 4 gig?
> >
> > I know XP can only access 3 gig even with 4 installed.
> >
> > -Rob
> >
> > On Mon, Aug 25, 2008 at 12:04 PM, Jeremy Moore <jeremydmoore@gmail.com
> > <mailto:jeremydmoore@gmail.com>> wrote:
> >
> > Marek,
> >
> > I had to be switched back to WinXP due to some legacy hardware
> > issues, but I was running Photoshop CS3 in Vista with 4gb of RAM
> > without any problems. We have another computer in the lab with
> > only 2gb of RAM that would start to slow down quite a bit. This
> > was on files in the 300mb range.
> >
> > -Jeremy-
> >
> >
> > On Mon, Aug 25, 2008 at 12:44 PM, Marek Matusz
> > <marekmatusz@hotmail.com <mailto:marekmatusz@hotmail.com>> wrote:
> >
> >
> >
> > Dear list,
> > Is anybody running Photoshop (CS3) under Vista. I am looking
> > for a memory recommendation for a smooth operation.
> > Marek
> >
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> > --
> > Robert Hall
> > www.RobertHall.com <http://www.RobertHall.com>
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