rec.autos.simulators

"Breathe" on your 3dfx

Tim Harriso

"Breathe" on your 3dfx

by Tim Harriso » Tue, 13 Jan 1998 04:00:00

I don't know if this has been mentioned in this news group before, if it has
please ignore it. This is a way to make your 3Dfx card fly! The graphics
card equivalent of a bore and stroke if you like. It came from a flight sim
newsgroup and to there from DiD, so it's kosher. Simply add or amend the
following lines in your win.ini file.

[3dfx]
SST_SWAP_EN_WAIT_ON_VSYNC=0
FX_GLIDE_SWAPINTERVAL=0
SST_GRXCLK=55
SST_TRIPPLE_BUFFER=1

You can add them to your autoexec.bat, so I believe, but put SET in front of
each line. The settings are optimised for Orchid Righteous, but should work
for any 3Dfx card. The results are pretty impressive.

Robin Sequir

"Breathe" on your 3dfx

by Robin Sequir » Tue, 13 Jan 1998 04:00:00

Welcome back to Earth :)

--
<<Phoenix>>
"Well, we'll find out when we die, won't we?"
-me


Jo

"Breathe" on your 3dfx

by Jo » Tue, 13 Jan 1998 04:00:00


>I don't know if this has been mentioned in this news group before, if it has
>please ignore it. This is a way to make your 3Dfx card fly! The graphics
>card equivalent of a bore and stroke if you like. It came from a flight sim
>newsgroup and to there from DiD, so it's kosher. Simply add or amend the
>following lines in your win.ini file.
>[3dfx]
>SST_SWAP_EN_WAIT_ON_VSYNC=0
>FX_GLIDE_SWAPINTERVAL=0
>SST_GRXCLK=55
>SST_TRIPPLE_BUFFER=1
>You can add them to your autoexec.bat, so I believe, but put SET in front of
>each line. The settings are optimised for Orchid Righteous, but should work
>for any 3Dfx card. The results are pretty impressive.

Of course, as with all computer technology TANSTAAFL applies. The
speed increase is bought at the expense of graphical quality in the
form of "screen tearing", caused by the screen being updated while in
the middle of physical refreshes.

Joe

Richard Walk

"Breathe" on your 3dfx

by Richard Walk » Wed, 14 Jan 1998 04:00:00


>>[3dfx]
>>SST_SWAP_EN_WAIT_ON_VSYNC=0
>>FX_GLIDE_SWAPINTERVAL=0
>>SST_GRXCLK=55
>>SST_TRIPPLE_BUFFER=1

>>You can add them to your autoexec.bat, so I believe, but put SET in front of
>>each line. The settings are optimised for Orchid Righteous, but should work
>>for any 3Dfx card. The results are pretty impressive.

>Of course, as with all computer technology TANSTAAFL applies. The
>speed increase is bought at the expense of graphical quality in the
>form of "screen tearing", caused by the screen being updated while in
>the middle of physical refreshes.

Well that can definitely apply to the first two settings and I don't know
what the last one does ;-), but any system with OK cooling should be able
to use the SST_GRXCLK=55 setting without any video degredation. Some
early Orchid's came without a heatsink and they are the ones likely to
have problems (as may some of the later cheapo cards if they skimped on a
heatsink).

(disclaimer - just because I said 'should be able to use...' does not
mean that it *will* work with every system. As always, any overclocking
is at the judgement of the person doing the overclocking and I advise you
to do as much background research as possible first. If you damage your
equipment, it is *your* fault, not mine)

Cheers,
Richard

Tim Harriso

"Breathe" on your 3dfx

by Tim Harriso » Wed, 14 Jan 1998 04:00:00

TRIPPLE_BUFFER

Julia

"Breathe" on your 3dfx

by Julia » Thu, 15 Jan 1998 04:00:00

Is that TRIPPLE_BUFFER OR TRIPLE_BUFFER?

David Schi

"Breathe" on your 3dfx

by David Schi » Thu, 15 Jan 1998 04:00:00



>>I don't know if this has been mentioned in this news group before, if it has
>>please ignore it. This is a way to make your 3Dfx card fly! The graphics
>>card equivalent of a bore and stroke if you like. It came from a flight sim
>>newsgroup and to there from DiD, so it's kosher. Simply add or amend the
>>following lines in your win.ini file.

>>[3dfx]
>>SST_SWAP_EN_WAIT_ON_VSYNC=0
>>FX_GLIDE_SWAPINTERVAL=0
>>SST_GRXCLK=55
>>SST_TRIPPLE_BUFFER=1

>>You can add them to your autoexec.bat, so I believe, but put SET in front of
>>each line. The settings are optimised for Orchid Righteous, but should work
>>for any 3Dfx card. The results are pretty impressive.

>Of course, as with all computer technology TANSTAAFL applies. The
>speed increase is bought at the expense of graphical quality in the
>form of "screen tearing", caused by the screen being updated while in
>the middle of physical refreshes.

>Joe

Not sure what TANSTAAFL stands for but its definitely true that some
setttings with certain hardware configurations can cause different
effects and should be a necessary disclaimer with all tweaking.

I have the VSYNC=0 and SWAPINTERVAL=0 setting with no screen tearing
in F1RS.  Changing the screen refresh to a higher rate
(SST_SCREENREFRESH=85) may eliminate tearing.  Note that with a
refresh rate higher than 75 or 80 (I think), the gamma settings don't
take effect unless the SST_VIDEO_24BPP=1 entry is also included.  

BTW, SST_TRIPPLE_BUFFER=1 is only of use when no Z-Buffer or Alpha
Buffer is being used, which is not the case for any program that
doesn't allow 800x600 at least.  But it won't do any harm to have it
set anyways.

Dave

Tony R

"Breathe" on your 3dfx

by Tony R » Thu, 15 Jan 1998 04:00:00



>Not sure what TANSTAAFL stands for but its definitely true that some
>setttings with certain hardware configurations can cause different
>effects and should be a necessary disclaimer with all tweaking.

True. With my older Tyan Tomcat motherboard I could manage to
overclock my Monster3D to 57Mhz but with my latest m/b, a Abit AX5, I
can only manage 55.
Any higher than that and I see strange artifacts on the screen.
Not to worry, it still hoons along at 55 and the Abit brings other
benefits such as overclocking the cpu.

Tony

Jo

"Breathe" on your 3dfx

by Jo » Thu, 15 Jan 1998 04:00:00


>Not sure what TANSTAAFL stands for

There Ain't So Such Thing As A Free Lunch.

Joe

Jo

"Breathe" on your 3dfx

by Jo » Fri, 16 Jan 1998 04:00:00


>>Not sure what TANSTAAFL stands for
>There Ain't So Such Thing As A Free Lunch.

Whoops, that should be:

There Ain't No Such Thing As A Free Lunch.

Joe


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