A different opinion from speedguide.net:
Vcache
Vcache is the Windows disk-caching virtual device driver. This is a very important part of
Windows, as it provides excellent disk performance. Windows, however, limits vcache from it's
total potential. The following tweak will keep Vcache from taking up all your RAM, and being
resized all the time.
Here's how to improve it. Type 'sysedit' in your 'start' , 'run' dialog box and navigate to
"System.ini". In the ini file, look for [vcache] and add the following:
MinFileCache= nnn
MaxFileCache= nnn
ChunkSize= nnn
(nnn represents a number, multiple of 2)
'MinFileCache' and 'MaxFileCache' should be the same ( about 25% of your RAM ) to avoid
resizing. 'ChunkSize' should generally be '512', but you can omit that one. You should set
MinFileCache and MaxFileCache to about 25% of your total RAM for best performance, i.e
8190 for 32Mb RAM, 16384 for 64Mb, 32768 for 128Mb...
These are sample settings from one of our PCs ( 256Mb RAM, Windows 98 )
[vcache]
MinFileCache=65536
MaxFileCache=65536
ChunkSize=512
Notes: Generally, the more RAM you have, the bigger vcache can be. Remember that the
RAM used by vcache can't be used by applications. Also, Windows 98/98SE has better
memory management than 95, so you might not notice much improvement using that
tweak
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