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#11
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Will 768MB RAM be OK, even in Safe Mode?
"Angus Rodgers" wrote in message
... On Mon, 23 Jun 2008 16:04:56 -0400, "glee" wrote: "Angus Rodgers" wrote in message . .. What worries me about using a larger MaxFileCache value is that Windows not only keeps a large swapfile, but System Monitor starts to show quite a large value for "Swapfile in use". (I forget the exact figures, but I did a few informal experiments.) On the face of it, it seems irrational to have a large quantity of disk data cached in RAM at the same time as a large quantity of RAM data is being paged out to disk! But I don't have a clear enough mental model of how Win98SE handles things to draw any firm conclusion from such a vague argument; it just makes me uneasy. As a result of this uneasiness, I have been keeping the MaxFileCache value low enough that "Swapfile in use" shows as zero except when I'm really stressing the system. But I'm not convinced that this is a good policy, and I'm quite willing to change it (so long as I understand what I'm doing, better than I do at the moment!). I suggest you carefully read here for a better understanding: Memory Management in Win98 & ME http://aumha.org/win4/a/memmgmt.htm I thought I had read it already, but I had missed this paragraph: "If code or data were stored in VCache only for caching purposes, then it should be emptied out before the swap file is used; but in Win98/ME, VCache often will stay quite large, forcing the swap file to be used more. Is this another memory leak? No, it isn't. It would be a memory leak if the contents of VCache were only stored, inactive code or data. But if the contents are code or data currently being used (as it commonly will be in Win98/ME), we have quite another story!" That reassures me somewhat. I'll mull it over, and consider increasing MaxFileCache (and deleting MinFileCache altogether). Assuming this is OK, it makes my second question (in the OP) pretty much irrelevant (but still of some academic interest). However, my main worry was the first question - the one about Safe Mode - which has still not been answered. The system.ini file IS processed in Safe Mode: How Windows 95 Performs a Safe-Mode Start http://support.microsoft.com/kb/122051 "In Windows, what is 'Safe Mode' used for and why?" http://computer.howstuffworks.com/question575.htm Understanding Safe Mode http://www.windowsgalore.com/windows.95/safemode.htm Got Google? Use it..... -- Glen Ventura, MS MVP Windows, A+ http://dts-l.net/ http://dts-l.net/goodpost.htm |
#12
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Will 768MB RAM be OK, even in Safe Mode?
Angus Rodgers wrote:
I've recently doubled my system RAM to 512MB, with no problems. There's room on my motherboard (ASUS A7V8X-X) to plug in another similar 256MB module. (I don't think I want to add 512MB merely because it might be useful when/if I get around to dual-booting some version of Linux. A total of 768MB ought to be enough. I would rather not have to fiddle with MaxPhysPage=39999 - or what- ever else would be needed if I had 1GB or more memory - unless it is absolutely necessary, in which case I will think again.) Not only the amount of RAM matters, but also its speed. Occupying all three DIMM sockets may lower the the maximum memory-speed usable, depending on what DIMM cards you have. From the Manual : Note: PC2700 maximum to 4 banks only. PC3200 maximum to 2 banks only. -- Nah-ah. I'm staying out of this. ... Now, here's my opinion. Please followup in the newsgroup. E-mail address is invalid due to spam-control. |
#13
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Will 768MB RAM be OK, even in Safe Mode?
Angus Rodgers wrote:
| On Mon, 23 Jun 2008 16:04:56 -0400, "glee" | wrote: | |"Angus Rodgers" wrote in message . .. | | What worries me about using a larger MaxFileCache value is that | Windows not only keeps a large swapfile, but System Monitor starts | to show quite a large value for "Swapfile in use". (I forget the | exact figures, but I did a few informal experiments.) On the face | of it, it seems irrational to have a large quantity of disk data | cached in RAM at the same time as a large quantity of RAM data is | being paged out to disk! But I don't have a clear enough mental | model of how Win98SE handles things to draw any firm conclusion | from such a vague argument; it just makes me uneasy. | | As a result of this uneasiness, I have been keeping the MaxFileCache | value low enough that "Swapfile in use" shows as zero except when | I'm really stressing the system. But I'm not convinced that this | is a good policy, and I'm quite willing to change it (so long as I | understand what I'm doing, better than I do at the moment!). | |I suggest you carefully read here for a better understanding: | |Memory Management in Win98 & ME |http://aumha.org/win4/a/memmgmt.htm | | I thought I had read it already, but I had missed this paragraph: | | "If code or data were stored in VCache only for caching purposes, | then it should be emptied out before the swap file is used; but in | Win98/ME, VCache often will stay quite large, forcing the swap file | to be used more. Is this another memory leak? No, it isn’t. It would | be a memory leak if the contents of VCache were only stored, inactive | code or data. But if the contents are code or data currently being | used (as it commonly will be in Win98/ME), we have quite another | story!" | | That reassures me somewhat. I'll mull it over, and consider | increasing MaxFileCache (and deleting MinFileCache altogether). | | Assuming this is OK, it makes my second question (in the OP) pretty | much irrelevant (but still of some academic interest). However, my | main worry was the first question - the one about Safe Mode - which | has still not been answered. Going by the following article, which Bill Starbuck once posted (it's in my Keepers), only part of System.ini is effectively bypassed. The [vcache] section that contains that MaxFileCache is not specifically said to be bypassed... http://support.microsoft.com/kb/122051/EN-US/ How Windows 95 Performs a Safe-Mode Start ........Quote........... 3. Windows 95 now uses the original registry settings and System.ini and Win.ini files. This effectively bypasses the [Boot] and [386Enh] sections of the System.ini file and disables all the Windows 95 protected-mode devices listed in Device Manager. Also, Windows 95 does not run programs listed on the "Load=" and "Run=" lines in the [Windows] section of the Win.ini file. Note that although the [Boot] section of the System.ini file is bypassed, the "shell=" and "drivers=" lines in the [Boot] section are processed. ........EOQ............. HOWEVER, I really can't say for sure this provides a definitive answer. | -- | Angus Rodgers | (twirlip@ eats spam; reply to angusrod@) | Contains mild peril -- Thanks or Good Luck, There may be humor in this post, and, Naturally, you will not sue, Should things get worse after this, PCR |
#14
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Will 768MB RAM be OK, even in Safe Mode?
On Mon, 23 Jun 2008 22:28:55 -0400, "glee"
wrote: "Angus Rodgers" wrote in message .. . On Mon, 23 Jun 2008 16:04:56 -0400, "glee" wrote: "Angus Rodgers" wrote in message ... What worries me about using a larger MaxFileCache value is that Windows not only keeps a large swapfile, but System Monitor starts to show quite a large value for "Swapfile in use". (I forget the exact figures, but I did a few informal experiments.) On the face of it, it seems irrational to have a large quantity of disk data cached in RAM at the same time as a large quantity of RAM data is being paged out to disk! But I don't have a clear enough mental model of how Win98SE handles things to draw any firm conclusion from such a vague argument; it just makes me uneasy. As a result of this uneasiness, I have been keeping the MaxFileCache value low enough that "Swapfile in use" shows as zero except when I'm really stressing the system. But I'm not convinced that this is a good policy, and I'm quite willing to change it (so long as I understand what I'm doing, better than I do at the moment!). I suggest you carefully read here for a better understanding: Memory Management in Win98 & ME http://aumha.org/win4/a/memmgmt.htm I thought I had read it already, but I had missed this paragraph: "If code or data were stored in VCache only for caching purposes, then it should be emptied out before the swap file is used; but in Win98/ME, VCache often will stay quite large, forcing the swap file to be used more. Is this another memory leak? No, it isn't. It would be a memory leak if the contents of VCache were only stored, inactive code or data. But if the contents are code or data currently being used (as it commonly will be in Win98/ME), we have quite another story!" That reassures me somewhat. I'll mull it over, and consider increasing MaxFileCache (and deleting MinFileCache altogether). Assuming this is OK, it makes my second question (in the OP) pretty much irrelevant (but still of some academic interest). However, my main worry was the first question - the one about Safe Mode - which has still not been answered. The system.ini file IS processed in Safe Mode: How Windows 95 Performs a Safe-Mode Start http://support.microsoft.com/kb/122051 "In Windows, what is 'Safe Mode' used for and why?" http://computer.howstuffworks.com/question575.htm Understanding Safe Mode http://www.windowsgalore.com/windows.95/safemode.htm Got Google? Use it..... No need to be offensive. I already said I'm no expert; and in one of the threads in this NG which I read on this topic, somebody said that system.ini was not read in Safe Mode, and as this seemed to make sense, and it chimed with what (little) I already knew, I didn't bother to check further (although there was a small sense of guilt and unease in my mind about not having done so - so you're not entirely wrong to chide me). In my first post, I did take care to state my assumption explicitly, so that it could be challenged if false. Anyway, thanks for the references. (This is an informative, helpful and low-noise newsgroup. In saying that my question had not been answered, I was not being pushy, merely stating a fact.) -- Angus Rodgers (twirlip@ eats spam; reply to angusrod@) Contains mild peril |
#15
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Will 768MB RAM be OK, even in Safe Mode?
On Tue, 24 Jun 2008 04:44:25 +0200, Etal
wrote: I've recently doubled my system RAM to 512MB, with no problems. There's room on my motherboard (ASUS A7V8X-X) to plug in another similar 256MB module. (I don't think I want to add 512MB merely because it might be useful when/if I get around to dual-booting some version of Linux. A total of 768MB ought to be enough. I would rather not have to fiddle with MaxPhysPage=39999 - or what- ever else would be needed if I had 1GB or more memory - unless it is absolutely necessary, in which case I will think again.) Not only the amount of RAM matters, but also its speed. Occupying all three DIMM sockets may lower the the maximum memory-speed usable, depending on what DIMM cards you have. From the Manual : Note: PC2700 maximum to 4 banks only. PC3200 maximum to 2 banks only. The existing DIMM was PC2700, so I ordered another PC2700, even though PC3200 was also available. I don't understand the technical issues, but this seemed the course least likely to cause problems. I haven't time to look further into it at the moment (late for an appointment - just reading and replying quickly!), but one thing I'm not clear about is what a "bank" is. As there are only 3 slots for DIMMS, it hardly seems likely that one DIMM equals one "bank" (otherwise 4 banks would be impossible!). It's logically possible that each of my DIMMs is two "banks", so there might not be room for any more! But I can probably find this out for myself without having to ask too many questions here. -- Angus Rodgers (twirlip@ eats spam; reply to angusrod@) Contains mild peril |
#16
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Will 768MB RAM be OK, even in Safe Mode?
Angus Rodgers wrote:
I just have two questions: (1) As I gather that system.ini is not processed when you boot into Safe Mode, does this mean that Windows will reserve too many memory addresses for VCache to be able to boot into Safe Mode at all? You can find a lot of useful information in this thread: http://www.msfn.org/board/Help-I-need-to-Get-2GB-installed-RAM-wo-t109574.html |
#17
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Will 768MB RAM be OK, even in Safe Mode?
It's offensive to correct a mistake? It's offensive to suggest the use of
Google? What was offensive about that post? Posting the three links that will tell you more about Safe Mode than anybody here could possibly remember and write down? What was offensive about that post? All it suggests is that if you'd do a few minutes research before posting an issue that you, 1. Might not have to post here, after reading up on the topic, or 2. You'll at least have a better understanding of what we're trying to get across when we do provide suggestions, discuss the issue, etc. -- Gary S. Terhune MS-MVP Shell/User http://grystmill.com "Angus Rodgers" wrote in message ... On Mon, 23 Jun 2008 22:28:55 -0400, "glee" wrote: "Angus Rodgers" wrote in message . .. On Mon, 23 Jun 2008 16:04:56 -0400, "glee" wrote: "Angus Rodgers" wrote in message m... What worries me about using a larger MaxFileCache value is that Windows not only keeps a large swapfile, but System Monitor starts to show quite a large value for "Swapfile in use". (I forget the exact figures, but I did a few informal experiments.) On the face of it, it seems irrational to have a large quantity of disk data cached in RAM at the same time as a large quantity of RAM data is being paged out to disk! But I don't have a clear enough mental model of how Win98SE handles things to draw any firm conclusion from such a vague argument; it just makes me uneasy. As a result of this uneasiness, I have been keeping the MaxFileCache value low enough that "Swapfile in use" shows as zero except when I'm really stressing the system. But I'm not convinced that this is a good policy, and I'm quite willing to change it (so long as I understand what I'm doing, better than I do at the moment!). I suggest you carefully read here for a better understanding: Memory Management in Win98 & ME http://aumha.org/win4/a/memmgmt.htm I thought I had read it already, but I had missed this paragraph: "If code or data were stored in VCache only for caching purposes, then it should be emptied out before the swap file is used; but in Win98/ME, VCache often will stay quite large, forcing the swap file to be used more. Is this another memory leak? No, it isn't. It would be a memory leak if the contents of VCache were only stored, inactive code or data. But if the contents are code or data currently being used (as it commonly will be in Win98/ME), we have quite another story!" That reassures me somewhat. I'll mull it over, and consider increasing MaxFileCache (and deleting MinFileCache altogether). Assuming this is OK, it makes my second question (in the OP) pretty much irrelevant (but still of some academic interest). However, my main worry was the first question - the one about Safe Mode - which has still not been answered. The system.ini file IS processed in Safe Mode: How Windows 95 Performs a Safe-Mode Start http://support.microsoft.com/kb/122051 "In Windows, what is 'Safe Mode' used for and why?" http://computer.howstuffworks.com/question575.htm Understanding Safe Mode http://www.windowsgalore.com/windows.95/safemode.htm Got Google? Use it..... No need to be offensive. I already said I'm no expert; and in one of the threads in this NG which I read on this topic, somebody said that system.ini was not read in Safe Mode, and as this seemed to make sense, and it chimed with what (little) I already knew, I didn't bother to check further (although there was a small sense of guilt and unease in my mind about not having done so - so you're not entirely wrong to chide me). In my first post, I did take care to state my assumption explicitly, so that it could be challenged if false. Anyway, thanks for the references. (This is an informative, helpful and low-noise newsgroup. In saying that my question had not been answered, I was not being pushy, merely stating a fact.) -- Angus Rodgers (twirlip@ eats spam; reply to angusrod@) Contains mild peril |
#18
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Will 768MB RAM be OK, even in Safe Mode?
On Tue, 24 Jun 2008 09:34:06 -0700, "Gary S. Terhune" none wrote:
It's offensive to correct a mistake? It's offensive to suggest the use of Google? What was offensive about that post? Posting the three links that will tell you more about Safe Mode than anybody here could possibly remember and write down? What was offensive about that post? All it suggests is that if you'd do a few minutes research before posting an issue that you, 1. Might not have to post here, after reading up on the topic, or 2. You'll at least have a better understanding of what we're trying to get across when we do provide suggestions, discuss the issue, etc. I thought what I wrote was quite clear; if it isn't, I don't know how to make it any clearer. I don't know what I've run into here, but it would seem to be futile to argue about it. /Of course/ I'm not disputing that the references provided were helpful (I've just got back from a day away, and haven't had time to follow them up yet, but I have no reason to doubt that they will answer my questions), and indeed I have already thanked the poster for providing them. If it helps. I'll just repeat the most relevant part of what I wrote: "[...] in one of the threads in this NG which I read on this topic, somebody said that system.ini was not read in Safe Mode, and as this seemed to make sense, and it chimed with what (little) I already knew, I didn't bother to check further (although there was a small sense of guilt and unease in my mind about not having done so - so you're not entirely wrong to chide me). In my first post, I did take care to state my assumption explicitly, so that it could be challenged if false." And from another post: "With respect, I did do some homework before asking my questions. I'm sorry if I didn't do enough, but it's not clear to me where to look next. (I'm a reasonably experienced Win9x user, but by no stretch of the imagination am I an expert.) I had already read the thread you've referred me to, as well as every other relevant thread I could find in the newsgroup since 11 Sep 2007. (Of course I can Google further back than that, if it's really necessary.)" Perhaps you can point out whatever flaw it is in my use of English which causes you to imagine that I never do any research before asking questions, or that I have never thought of using Google, or that I imagine I don't make mistakes, or that I can't learn from what I'm told by people who are better informed than myself. I find your reply offensive, in exactly the same way as I was offended by glee's unnecessary "Got Google? Use it....." jibe. Is that any clearer? Now would you like to explain to me in what way I have been offensive to anyone in this newsgroup, to justify these two insulting responses I have received? -- Angus Rodgers (twirlip@ eats spam; reply to angusrod@) Contains mild peril |
#19
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Will 768MB RAM be OK, even in Safe Mode?
"However, my main worry was the first question - the one about Safe Mode -
which has still not been answered." "(1) As I gather that system.ini is not processed when you boot into Safe Mode, does this mean that Windows will reserve too many memory addresses for VCache to be able to boot into Safe Mode at all?" This tells you right out front that what you "gathered" is wrong. http://www.google.com/search?hl=en&q...22safe+mode%22 All Brian did was suggest Google, which you did NOT mention. You said you did your homework, but major chunks of that homework resulted in wrong info. Below, you ADMIT that you didn't do your due diligence. All I did was ask you just what you found offensive about Brian's post. It would appear that you took offense at the wording Brian used, which was both a play on American advertising and, yes, a reminder that Google is your friend. All I did in my second paragraph was to explain WHY we suggest Google before posting. It wasn't intended to chide you personally. It offends ME me that you obviously DON'T know that much about the subject, yet you argued with practically everyone who took the time to correct your mistaken ideas. -- Gary S. Terhune MS-MVP Shell/User http://grystmill.com "Angus Rodgers" wrote in message ... On Tue, 24 Jun 2008 09:34:06 -0700, "Gary S. Terhune" none wrote: It's offensive to correct a mistake? It's offensive to suggest the use of Google? What was offensive about that post? Posting the three links that will tell you more about Safe Mode than anybody here could possibly remember and write down? What was offensive about that post? All it suggests is that if you'd do a few minutes research before posting an issue that you, 1. Might not have to post here, after reading up on the topic, or 2. You'll at least have a better understanding of what we're trying to get across when we do provide suggestions, discuss the issue, etc. I thought what I wrote was quite clear; if it isn't, I don't know how to make it any clearer. I don't know what I've run into here, but it would seem to be futile to argue about it. /Of course/ I'm not disputing that the references provided were helpful (I've just got back from a day away, and haven't had time to follow them up yet, but I have no reason to doubt that they will answer my questions), and indeed I have already thanked the poster for providing them. If it helps. I'll just repeat the most relevant part of what I wrote: "[...] in one of the threads in this NG which I read on this topic, somebody said that system.ini was not read in Safe Mode, and as this seemed to make sense, and it chimed with what (little) I already knew, I didn't bother to check further (although there was a small sense of guilt and unease in my mind about not having done so - so you're not entirely wrong to chide me). In my first post, I did take care to state my assumption explicitly, so that it could be challenged if false." And from another post: "With respect, I did do some homework before asking my questions. I'm sorry if I didn't do enough, but it's not clear to me where to look next. (I'm a reasonably experienced Win9x user, but by no stretch of the imagination am I an expert.) I had already read the thread you've referred me to, as well as every other relevant thread I could find in the newsgroup since 11 Sep 2007. (Of course I can Google further back than that, if it's really necessary.)" Perhaps you can point out whatever flaw it is in my use of English which causes you to imagine that I never do any research before asking questions, or that I have never thought of using Google, or that I imagine I don't make mistakes, or that I can't learn from what I'm told by people who are better informed than myself. I find your reply offensive, in exactly the same way as I was offended by glee's unnecessary "Got Google? Use it....." jibe. Is that any clearer? Now would you like to explain to me in what way I have been offensive to anyone in this newsgroup, to justify these two insulting responses I have received? -- Angus Rodgers (twirlip@ eats spam; reply to angusrod@) Contains mild peril |
#20
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Will 768MB RAM be OK, even in Safe Mode?
If your mobo only has three slots, it can only hold three banks of memory,
max. The reference to four banks of 2700 is probably a generic datum that applies to the chipset (which COULD have four slots), but not to your specific board which only has three. Note that a bank of memory does not equate to a stick. Especially in more modern boards, two sticks in two slots acting as a single bank of memory. -- Gary S. Terhune MS-MVP Shell/User http://grystmill.com "Angus Rodgers" wrote in message ... On Tue, 24 Jun 2008 04:44:25 +0200, Etal wrote: I've recently doubled my system RAM to 512MB, with no problems. There's room on my motherboard (ASUS A7V8X-X) to plug in another similar 256MB module. (I don't think I want to add 512MB merely because it might be useful when/if I get around to dual-booting some version of Linux. A total of 768MB ought to be enough. I would rather not have to fiddle with MaxPhysPage=39999 - or what- ever else would be needed if I had 1GB or more memory - unless it is absolutely necessary, in which case I will think again.) Not only the amount of RAM matters, but also its speed. Occupying all three DIMM sockets may lower the the maximum memory-speed usable, depending on what DIMM cards you have. From the Manual : Note: PC2700 maximum to 4 banks only. PC3200 maximum to 2 banks only. The existing DIMM was PC2700, so I ordered another PC2700, even though PC3200 was also available. I don't understand the technical issues, but this seemed the course least likely to cause problems. I haven't time to look further into it at the moment (late for an appointment - just reading and replying quickly!), but one thing I'm not clear about is what a "bank" is. As there are only 3 slots for DIMMS, it hardly seems likely that one DIMM equals one "bank" (otherwise 4 banks would be impossible!). It's logically possible that each of my DIMMs is two "banks", so there might not be room for any more! But I can probably find this out for myself without having to ask too many questions here. -- Angus Rodgers (twirlip@ eats spam; reply to angusrod@) Contains mild peril |
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