Photoshop CS3, WinXP and 4GB memory

BS
Posted By
Barry_Santana
Dec 8, 2007
Views
351
Replies
6
Status
Closed
Has anyone successfully configured PS CS3 to use more than 1.7GB memory with 4GB available? I have a Dell Precision Mobile Workstation configured with 4GB memory. Dell technicians claim the 3GB switch in boot.ini is not necessary as the OS has access to 3.25GB of memory. PS will not allow me to configure it to use more than 1.7GB of RAM.

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DM
dave_milbut
Dec 8, 2007
Dell technicians claim the 3GB switch in boot.ini is not necessary

they’re wrong. you need it in xp. without it apps only have access to 2gb of ram.

< http://www.microsoft.com/whdc/system/platform/server/PAE/PAE mem.mspx>
DP
Daryl_Pritchard
Dec 8, 2007
Barry,

As Dave said, the Dell technicians that advised you on this are simply wrong; they need to be sent back for more training I guess.

I’m running PS CS3 without a hitch on WinXP with the 3GB switch active and 4GB RAM installed. Some have reported the switch can cause problems, so it’s prudent to have 2 entries in your boot.ini file so that you can easily reboot with the switch disabled if the need arises. Here is what my boot.ini file looks like with the command console also installed:

[boot loader]
timeout=3
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="4GB Microsoft Windows XP Professional" /FASTDETECT /3GB /NOEXECUTE=OPTOUT
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /FASTDETECT /NOEXECUTE=OPTOUT
c:\CMDCONS\BOOTSECT.DAT="Microsoft Windows Recovery Console" /CMDCONS

Regards,

Daryl
BS
Barry_Santana
Dec 8, 2007
Dave and Daryl,

Thanks for the help. I will give this a try and see what happens. Should I expect to see anything improve in my ability to assign more RAM in PS CS3 performance preferences? Thanks for clearing this up.

Barry
BS
Barry_Santana
Dec 10, 2007
Daryl,

Is it necessary to install the command console? Will the OPTOUT switch allow me to not get stuck in a boot nightmare?

Thanks for your comments
Barry
MD
Michael_D_Sullivan
Dec 11, 2007
You don’t need to have command console installed in the boot.ini file. It would be wise to add the version with /3GB to the file as an additional boot option, with the original as the default, in case your system is unstable with the /3GB switch. Press the F8 key during Windows bootup to select. If you have it working OK, make the /3GB your default. After a while without incidents, you can delete the old version.
DP
Daryl_Pritchard
Dec 16, 2007
Barry,

Sorry I failed to reply sooner, but Michael answered your question sufficiently. The NOEXECUTE=OPTOUT setting is a default setting created when I installed WinXP. I chose to leave it intact so that Data Execution Prevention (DEP) is enabled, and if I ever have issues with programs that don’t launch due to DEP being active, I just add them to the exclusions list in the System control panel applet.

And true enough, the command console isn’t required although I’d never build a system without installing it, since it provides tools to help recover a system when and if it fails to fully boot properly. In my case, with a dual boot configuration, I’ve already had to use the command console once to restore a corrupt boot record and rebuilt the boot configuration after I changed out the 2nd O/S a few times and messed up the boot process. It turned out the problem was actually in this BOOT.INI file, with the partition indices in error. The BOOT.INI text I showed previously is for a single-boot system though, so the error I found doesn’t apply to it.

Regards,

Daryl

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