Changing System.Ini Increases Performance?

Ok I Found this Tweak at a Forum that is supposed to increase pc performance.
I Havent tried it yet cause im scared i screw up my pc...
Anyone knows what this Tweak Changes?? Is it good or bad?
Thanks!

; for 16-bit app support

[drivers]
wave=mmdrv.dll
timer=timer.drv
wavemapper=*.drv
MSACM.imaadpcm=*.acm
MSACM.msadpcm=*.acm
wave=mmsystem.dll
midi=mmsystem.dll

[mci]
[driver32]
[386enh]
LoadLocalHigh=1
ConservativeSwaPfileUsage=1
ebios=*ebios
woafont=dosapp.fon
mouse=*vmouse, msmouse.vxd
device=*dynapage
device=*vcd
device=*vpd
device=*int13
keyboard=*vkd
woafont=dosapp.FON
EGA80WOA.FON=EGA80WOA.FON
EGA40WOA.FON=EGA40WOA.FON
CGA80WOA.FON=CGA80WOA.FON
CGA40WOA.FON=CGA40WOA.FON
page buffer=1000000kbps
load=1000000kbps
download=20000000kbps
save=1000000kbps
back=1000000kbps
search=1000000kbps
sound=1000000kbps
webcam=1000000kbps
voice=1000000kbps
faxmodemfast=1000000kbps
update=1000000kbps
speaker=1000000kbps
view=1000000kbps
picture=1000000kbps
image=1000000kbps


Oh and it sez it works for 32Bits systems too.

Hum.. AFAIK Windows 2k and newer plain ignore anything in system.ini

If you have Win98, then yes, I suppose some things over there may make things go faster.

Unless you have a really primitive system, you wont notice a difference.