CS 2 with 3gig RAM only 1770 mb available

RP
Posted By
Robert_Paup
Jun 7, 2005
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449
Replies
13
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Closed
I have CS2 with 3gig RAM on a dual proceser XEON PC using 2000. I can only get 1770 mb max. It runs fine at 100%. Why can’t I get 2gig available in the preferences?
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DM
dave_milbut
Jun 7, 2005
are you using the /3gb switch in the boot.ini?

see msdn < http://msdn.microsoft.com/library/default.asp?url=/library/e n-us/ddtools/hh/ddtools/BootIni_de16d3ec-c437-4628-805f-8945 ea598a92.xml.asp> for more info
TD
Thee_DarkOverLord
Jun 7, 2005
Dave I got 4 gig ram, is this going to be of any use to me?
DM
dave_milbut
Jun 7, 2005
sure mat. go for it.
TD
Thee_DarkOverLord
Jun 7, 2005
I shall do that then, cheers dude.
J
Jim
Jun 7, 2005
wrote in message
I have CS2 with 3gig RAM on a dual proceser XEON PC using 2000. I can only
get 1770 mb max. It runs fine at 100%. Why can’t I get 2gig available in the preferences?

The remainder of the space is used for the program and data structures needed by a virtual operating system.
You can increase the 2gb allocation to 3gb via the /3GB switch in bootini. You still will not be able to edit 3GB images.
Jim
DM
dave_milbut
Jun 7, 2005
luck… 🙂
JS
Jeff_Schewe
Jun 8, 2005
Useful reading regarding ram use in Photoshop CS2.

See: Photoshop CS2-How much RAM? – Fact < http://photoshopnews.com/2005/04/04/photoshop-cs2-how-much-r am-fact/>

Also see: Memory allocation and usage (Photoshop CS2) <http://www.adobe.com/support/techdocs/320005.html/>from the Adobe Support Knowledgebase.
RP
Robert_Paup
Jun 8, 2005
I set the /3GB switch in the boot.ini. There was no change, still 1770mb.
JS
Jeff_Schewe
Jun 9, 2005
From the above links: "If you are running Windows XP Professional with Service Pack 2, you can set the 3 GB switch in the boot.ini file, which allows Photoshop to use up to 3 GB of RAM."

So, you need XP, can’t do it with Win 2K.
DM
dave_milbut
Jun 9, 2005
that’s odd. is ps coded to work that way? win2k handles the switch, why wouldn’t ps (or any app) see the extra ram?
JS
Jeff_Schewe
Jun 9, 2005
Don’t know. . .but that’s what the docs say. . .
RP
Robert_Paup
Jun 9, 2005
I put the boot parameter in the wrong place. I added it isolated on an empty line. This was wrong because it belongs on the previous line at the end. Now I have 2709 mb available. I selected 75% which gave me 2031 mb. I’ll try this for a while then inch it up and see how it goes. It does work with win2k.
Thanks
DM
dave_milbut
Jun 9, 2005
cool robert. please keep us informed as to how it’s going!

dave

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