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Windows Forum / Windows 98 / Performance / February 2007

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V-Cache settings

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Rubyjack - 30 Aug 2006 23:10 GMT
What would you suggest I have as Min & Max settings for V-Cache?

I have PII350MZ with 64MB ram.

Thanks,
Dan
USR - 30 Aug 2006 23:45 GMT
In my opinion, you should not make any changes to VCache settings unless you
have more then 512MB of memory in your computer system.

> What would you suggest I have as Min & Max settings for V-Cache?
>
> I have PII350MZ with 64MB ram.
>
> Thanks,
> Dan
Gary S. Terhune - 31 Aug 2006 04:21 GMT
Second that opinion. And that's *more_than* 512MB of RAM.

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Gary S. Terhune
MS-MVP Shell/User

> In my opinion, you should not make any changes to VCache settings unless
> you have more then 512MB of memory in your computer system.
[quoted text clipped - 5 lines]
>> Thanks,
>> Dan
ssome - 15 Feb 2007 02:01 GMT
So, how does one allow more than 512 mb of RAM in Win 98SE?
P5  2.6 MHz

ssome

> In my opinion, you should not make any changes to VCache settings unless you
> have more then 512MB of memory in your computer system.
[quoted text clipped - 5 lines]
> > Thanks,
> > Dan
Ron Martell - 15 Feb 2007 22:27 GMT
>So, how does one allow more than 512 mb of RAM in Win 98SE?
>P5  2.6 MHz

In the [vcache] section of the system.ini file add the following line:
MaxFileCache=512000

Good luck

Ron Martell     Duncan B.C.    Canada
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Microsoft MVP (1997 - 2006)
On-Line Help Computer Service
http://onlinehelp.bc.ca
Syberfix Remote Computer Repair

"Anyone who thinks that they are too small to make a difference
has never been in bed with a mosquito."

ssome - 16 Feb 2007 02:48 GMT
so, with this line in, i can add another 512 mb of RAM to my mboard and all
will be well?   no more 512 mb ram limit?

ssome

> >So, how does one allow more than 512 mb of RAM in Win 98SE?
> >P5  2.6 MHz
[quoted text clipped - 13 lines]
> "Anyone who thinks that they are too small to make a difference
> has never been in bed with a mosquito."
Ron Martell - 16 Feb 2007 19:32 GMT
>so, with this line in, i can add another 512 mb of RAM to my mboard and all
>will be well?   no more 512 mb ram limit?

That setting will stop Windows 98 from producing false "out of memory"
type errors that result when Windows attempts to map an excessively
large amount of RAM for use as disk cache.

Once you get up into the 1 gb range and beyond with total RAM you do
run the risk of other errors that are caused by hardware interactions
(the exact cause has never been precisely defined).  These errors are
rare when there is only 1 gb of RAM but become more common as you
increase the RAM beyond 1 gb.

For this type of situation it is necessary to use a MaxPhysPage
limitation in the [386enh] section of the system.ini, or just reduce
the total installed RAM.   The need for the MaxPhysPage parameter is
mostly encountered on systems that are dual booting with Windows XP
(or Vista) and Windows 98, and have a fairly large amount of RAM
installed for use by Windows XP/Vista.

Insofar as I am aware there has never been a documented instance of
anyone successfully using Windows 98 on a computer with more than 1.5
gb of RAM installed unless the MaxPhysPage parameter is used.

Good luck

Ron Martell     Duncan B.C.    Canada
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Microsoft MVP (1997 - 2006)
On-Line Help Computer Service
http://onlinehelp.bc.ca
Syberfix Remote Computer Repair

"Anyone who thinks that they are too small to make a difference
has never been in bed with a mosquito."

ssome - 27 Feb 2007 00:19 GMT
System.ini line in
another 512 mb of RAM in,      DDR 400 3200
and all seems to be working fine

ssome

> So, how does one allow more than 512 mb of RAM in Win 98SE?
> P5  2.6 MHz
[quoted text clipped - 11 lines]
> > > Thanks,
> > > Dan
Rubyjack - 31 Aug 2006 08:15 GMT
Thanks for the reply.  I should have mentioned my current VCache settings:
MinFileCache=4096
MaxFileCache=20480
chunksize=512

----- Original Message -----
From: "USR" <USR@home.microsoft.com>
Newsgroups: microsoft.public.win98.performance
Sent: Wednesday, August 30, 2006 5:45 PM
Subject: Re: V-Cache settings

> In my opinion, you should not make any changes to VCache settings unless
you
> have more then 512MB of memory in your computer system.
>
[quoted text clipped - 4 lines]
> > Thanks,
> > Dan
Gary S. Terhune - 31 Aug 2006 10:57 GMT
Doesn't change the answer. Unless you have *more_than* 512MB of RAM, you
should leave VCACHE alone.

Signature

Gary S. Terhune
MS-MVP Shell/User

> Thanks for the reply.  I should have mentioned my current VCache settings:
> MinFileCache=4096
[quoted text clipped - 17 lines]
>> > Thanks,
>> > Dan
Richard G. Harper - 31 Aug 2006 11:09 GMT
Get rid of all three of those settings.  You're pretty much killing vcache
for no gain in performance.

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Richard G. Harper [MVP Shell/User]  rgharper@gmail.com
* PLEASE post all messages and replies in the newsgroups
* for the benefit of all.  Private mail is usually not replied to.
* My website, such as it is ... http://rgharper.mvps.org/
* HELP us help YOU ... http://www.dts-l.org/goodpost.htm

> Thanks for the reply.  I should have mentioned my current VCache settings:
> MinFileCache=4096
[quoted text clipped - 17 lines]
>> > Thanks,
>> > Dan
glee - 31 Aug 2006 11:49 GMT
To expand slightly on Richard's reply, remove all those settings by deleting those
three lines from the system.ini file, but leave the [vcache] section heading there
for future use.

BTW, Win98 does not even look at a ChunkSize setting there, so it is useless in
*any* case.

Read here for more detailed explanations, caveats, and exceptions:
http://aumha.org/win4/a/memmgmt.htm
Signature

Glen Ventura, MS MVP Shell/User, A+
http://dts-l.org/goodpost.htm

> Thanks for the reply.  I should have mentioned my current VCache settings:
> MinFileCache=4096
[quoted text clipped - 17 lines]
>> > Thanks,
>> > Dan
Rubyjack - 03 Sep 2006 03:44 GMT
Thanks to all those who replied to this.

Dan

> What would you suggest I have as Min & Max settings for V-Cache?
>
> I have PII350MZ with 64MB ram.
>
> Thanks,
> Dan
Gary S. Terhune - 03 Sep 2006 04:47 GMT
You're welcome!

Signature

Gary S. Terhune
MS-MVP Shell/User

> Thanks to all those who replied to this.
>
[quoted text clipped - 6 lines]
>> Thanks,
>> Dan
 
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