Actually the /3Gb switch enables 32 bit operating systems to page memory above 3Gb of memory rather that memory is physical or virtual. In 32 bit operating systems client services or programs once they have paged above 2GB per instance will crash. The 3GB switch for 32 bit operating systems allow programs to use up to 3GB of memory addressing per instance in fact with 3-4 GB installed into the machine you should see equal virtual memory with physical memory in most cases. In default configuration Windows will allocate 2GB for the operating system and 2GB max for all other operations such as services or programs. With the PAE switches, especially the /userva= switch you can allow the operating system to issue 3GB of paging/physical memory to each running instance allowing Windows to only use 1GB. Hence the reason all 32 bit windows operating systems only paging 4GB max. Depending on USB devices and how memory are mapped on those most installations of 32 bit (non-server) O/S's only will see a max of about 3.5GB with 4 installed. The /Userva= switch has a max allowed usage of 3070 which is a full 3Gb most people find the need to fine tune that usage in increments of 512, but can be fine tunes in 16-32-64 bit increments if the program you are using recognizes this. Here is another link a bit more relavent(?) to Vista and explains the paging situation with 32 vs 64 bit O/S and covers some server 2003 instances.
http://blogs.technet.com/askperf/archive/2007/03/07/memory-management-unders tanding-pool-resources.aspx -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Richard Eid Sent: Saturday, October 04, 2008 1:23 AM To: Half-Life dedicated Win32 server mailing list Subject: Re: [hlds] Client crash question In this case, physical RAM has little to do with PPM. Surely, 64-bit Vista makes a difference with RAM sizes above 4GB, but he's not running out of physical RAM, he's running out of PPM. In XP and earlier, you'll want to try to keep the PPM usage below 150,000, which you can observe using System Information in Process Explorer. With Vista, you really don't have to worry about it. -Richard Eid On Sat, Oct 4, 2008 at 1:35 AM, Luke Lewis <[EMAIL PROTECTED]> wrote: > Vista does indeed suffer from the 4GB barrier that Windows XP has, unless > you use the 64bit version of either operating system or use a server > operating system. Note this is an article from 2005 so obviously Vista > isn't > inside this list but this is what I'm referring to. > > http://www.microsoft.com/whdc/system/platform/server/PAE/PAEmem.mspx > > -----Original Message----- > Sent: Thursday, October 02, 2008 9:02 PM > Subject: Re: [hlds] Client crash question > > Vista doesn't have the same Paged Pool and Non-Paged Pool limits that > previous Microsoft operating systems do. Unless I'm mistaken, there is no > upper limit in Vista for Paged Pool memory. So it does matter what OS you > are on. > > -Richard Eid > > > > > __________ Information from ESET NOD32 Antivirus, version of virus > signature > database 3494 (20081003) __________ > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > > > > > > Sent Via http://www.gorillazsouth.com mail server. > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds __________ Information from ESET NOD32 Antivirus, version of virus signature database 3494 (20081003) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com __________ Information from ESET NOD32 Antivirus, version of virus signature database 3494 (20081003) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com Sent Via http://www.gorillazsouth.com mail server. _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds
