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Windows Forum / Windows Me / General Topics / April 2008WinME memory limit
Hi everyone I will be "destroying" 2 PCs to build a "new" one the final result will be: Abit BP6 with 2 Celeron 500Mhz processors, 640 MB Ram, ATA66 integrated + ATA133 Promise PCI card. ATI All-in-Wonder 128 (Rage chipset) 32 MB AGP video card. 3 HD, 1 x 4.3 gb (C: WinME + progs), 1 x 80 gb (Data), 1 x 20 gb (E: Win XPpro + progs) I already have all the drivers that I'll need for both OS. It will be dual boot and my question concerns the WinME part. I understand that it will use only one processor but I've heard that Win 98 and ME have problems with memory above 512 MB and there need to be some command(s) added somewhere (.ini files?). It will be the first time I run ME above 384 MB RAM. Anyone could guide me in the right direction? TIA Dominique Win Me, like all Win 9x operating systems, can support and use up to 2GB of memory although there are a number of caveats and exceptions to that details of which are contained in the following Microsoft Knowledge Base articles with the first essential reading where more than 512MB of memory is installed. For more details see: MS KB 253912 - ""Out of Memory" Error Messages with Large Amounts of RAM Installed" (http://support.microsoft.com?kbid=253912). The reason is that allocating more than 512MB of RAM to vcache will exhaust all available upper memory addresses and thus prevent them being used for other purposes. This problem is easily fixed as follows: To limit vcache, open system.ini and add the lines [VCache] MaxFileCache=512000 Note that this will still mean that all memory is available to applications but is simply limiting the amount used as virtual cache memory. MS KB 296773 - "Computer May Not Hibernate with More Than 192 MB of Memory" (http://support.microsoft.com?kbid=296773). This makes reference to an updated file vmm.vxd. Unfortunately due to Win Me being out of support this file can no longer be obtained from Microsoft. MS KB 304943 - "Computer May Reboot Continuously with More Than 1.5 GB of RAM" (http://support.microsoft.com?kbid=304943).  SignatureMike Maltby mike.maltby@gmail.com > Hi everyone > [quoted text clipped - 22 lines] > > Dominique Thank you for your answer, since I don't use hibernate on this one (I think) and most of the time, it will be running XPpro, I will probably begin the "destruction" soon now. Thanks again, Dominique > Win Me, like all Win 9x operating systems, can support and use up to > 2GB of memory although there are a number of caveats and exceptions to [quoted text clipped - 23 lines] > MS KB 304943 - "Computer May Reboot Continuously with More Than 1.5 GB > of RAM" (http://support.microsoft.com?kbid=304943). >It will be dual boot and my question concerns the WinME part. I understand >that it will use only one processor but I've heard that Win 98 and ME have >problems with memory above 512 MB and there need to be some command(s) >added somewhere (.ini files?). It will be the first time I run ME above 384 >MB RAM. I am running ME on my 3.4 gHz box with 768 mb memory without any problem. I have heard earlier that problems arise only if you have more than this and needs vcache trick. HTH Thanks for your time and attention ClueLess You're living on the edge if you have 764MB of RAM and haven't limited vcache as explained in MS KB 253912 - ""Out of Memory" Error Messages with Large Amounts of RAM Installed" (http://support.microsoft.com?kbid=253912). > HTH Not really as IMO opinion it is bad practice to try and run with 768MB of RAM and not limit vcache and this is likely to cause regular "out of memory" errors. That you manage to have none is fortunate but others are unlikely to be so lucky. SignatureMike Maltby mike.maltby@gmail.com > I am running ME on my 3.4 gHz box with 768 mb memory without any > problem. [quoted text clipped - 7 lines] > > ClueLess >Not really as IMO opinion it is bad practice to try and run with 768MB of >RAM and not limit vcache and this is likely to cause regular "out of >memory" errors. That you manage to have none is fortunate but others are >unlikely to be so lucky. In addition I have also ConservativeSwapFileUsage=1 in the system.ini file. I never ever had any out of memory problems, no BSOD etc Thanks for your time and attention ClueLess >> Not really as IMO opinion it is bad practice to try and run with >> 768MB of RAM and not limit vcache and this is likely to cause [quoted text clipped - 3 lines] > In addition I have also ConservativeSwapFileUsage=1 in the system.ini > file. Why don't you run Win 95 whilst your at it? > I never ever had any out of memory problems, no BSOD etc Not really surprising if you are using ConservativeSwapFileUsage=1 since you are unnecessarily throttling your PC. I can only assume that you like to live up to the name you have chosen for yourself. SignatureMike Maltby mike.maltby@gmail.com ROFL!! Just came on here and saw this "Sir Michael Gem".....you are quite obviously more hilarious and wittier at 3 am than noon time. LOL!! Love that British sense of humour...... Get to bed, young man!! XX Figgs >>> Not really as IMO opinion it is bad practice to try and run with >>> 768MB of RAM and not limit vcache and this is likely to cause [quoted text clipped - 11 lines] > since you are unnecessarily throttling your PC. I can only assume > that you like to live up to the name you have chosen for yourself. > ROFL!! Just came on here and saw this "Sir Michael Gem".....you are > quite obviously more hilarious and wittier at 3 am than noon time. > LOL!! Love that British sense of humour...... > > Get to bed, young man!! I hadn't realised how late it was my time. I was shutting down my systems and doing some general housekeeping (computers of course <g>) before heading for bed and popped in here to see if anyone had posted. Perhaps I should confine my postings to the morning after I've had a couple of mugs of caffeine. <g>-- Mike Perhaps he's trying to make up for all those missing at the Pow Wow this week <g> Joan SignatureJoan Archer http://www.freewebs.com/crossstitcher http://lachsoft.com/photogallery > ROFL!! Just came on here and saw this "Sir Michael Gem".....you are quite > obviously more hilarious and wittier at 3 am than noon time. LOL!! Love [quoted text clipped - 19 lines] >> you are unnecessarily throttling your PC. I can only assume that you >> like to live up to the name you have chosen for yourself. >Not really surprising if you are using ConservativeSwapFileUsage=1 since >you are unnecessarily throttling your PC. I can only assume that you like >to live up to the name you have chosen for yourself. I have only stated my experience. I also wish to add that I edit lots of movies and audio files and have never experienced any problem whatsoever. I may be clueless as to what is happening but what I have stated is a fact, my expereince. Nothing to do with my cluelessness. ClueLess, rarely. Thanks for your time and attention ClueLess > Why don't you run Win 95 whilst your at it? Now that you mention it :) Win 95 can live happily in a computer with lots of memory too, as long as you only have 512Mb of RAM when you install it and afterwards it's good to limit the amount of RAM Win 95 uses to 768Mb with [386Enh) MaxPhysPage=30000 Claude I use Windows Me in a dual-boot system (actually quadruple-boot but never mind) on a computer that has 2GB of RAM, with the following lines added to system.ini [386Enh] ConservativeSwapfileUsage=1 MaxPhysPage=40000 [vcache] MaxFileCache=524288 The [vcache] line is necessary, as explained by the other posters, I don't quite remember why the ConservativeSwapfileUsage=1 and MaxPhysPage=40000 limits the memory used by Windows Me to 1GB. I've read that things can get unstable above that, I never tried but why take the chance? Having more than 1 GB of RAM available to Windows Me won't make it happier anyway. > Hi everyone > [quoted text clipped - 21 lines] > > Dominique To be honest there's little or nothing to be gained and perhaps even a negative impact, in having ConservativeSwapfileUsage set equal to 1 when running Win Me as this reverts swap file usage to the model used in Windows 95. From KB223294 "Windows 98 added a new feature, PageFile_Call_Async_Manager, that allows the Memory Manager to asynchronously write out page file (swap file) buffers during periods of time when VFAT file system activity is not busy." With 2GB of RAM setting MaxPhysPage=40000 is most sensible. SignatureMike Maltby mike.maltby@gmail.com > I use Windows Me in a dual-boot system (actually quadruple-boot but > never mind) on a computer that has 2GB of RAM, with the following [quoted text clipped - 13 lines] > take the chance? Having more than 1 GB of RAM available to Windows Me > won't make it happier anyway. Was the reported 768MB instability chalked up to the vcache setting? Was it real in WinME or a Win95 problem projected onto WinME? Is it acknowledged at all for WinME? What WERE the MS patches for memory size on WinME? I seem to recall seeing at least one. Thanks everybody. Notes: [386Enh] ConservativeSwapfileUsage=1 [ Unlikely to help. any other options? ] MaxPhysPage=40000 [ 1 Gig memory limit ] [vcache] MaxFileCache=524288 > To be honest there's little or nothing to be gained and perhaps even a > negative impact, in having ConservativeSwapfileUsage set equal to 1 when [quoted text clipped - 29 lines] > > take the chance? Having more than 1 GB of RAM available to Windows Me > > won't make it happier anyway. Yes acknowledged and I have already given the reference but since you appear not to have read the thread from the start I will repeat it for you. MS KB 253912 - ""Out of Memory" Error Messages with Large Amounts of RAM Installed" (http://support.microsoft.com?kbid=253912). If you bring up this KB you will see it quite clearly stated that it applies to Win Me which has the same architecture as Win 98/98SE. > What WERE the MS patches for memory size on WinME? Again reading the entire thread will help you here starting with DG's initial post and my reply. The only patch was for hibernation problems - see MS KB 296773 but the updated copy of vmm.vxd has not been available from Microsoft for some years. SignatureMike Maltby mike.maltby@gmail.com > Was the reported 768MB instability chalked up to the vcache setting? > Was it real in WinME or a Win95 problem projected onto WinME? [quoted text clipped - 14 lines] > [vcache] > MaxFileCache=524288 |
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