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Peter Hoenen
October 19th 03, 02:48 PM
Hello,

In AIDA32 in the Chipset overview (AGP properties) there is mentioned;

Fast-Write Available, Deactivated
Side Band Adressing Available, Activated

How do i avtivate the Fast-Write?
I'm sure i have the correct drivers for my ASUS V8460 Ultra deluxe.
In the bios i have USCW enabled.

Anyone?
thx

Derek Wildstar
October 19th 03, 05:58 PM
"Peter Hoenen" > wrote in message
...


> In AIDA32 in the Chipset overview (AGP properties) there is mentioned;
>
> Fast-Write Available, Deactivated
> Side Band Adressing Available, Activated

> How do i avtivate the Fast-Write?

It's a BIOS feature, FW, just like SBA.

> I'm sure i have the correct drivers for my ASUS V8460 Ultra deluxe.

You would be the only one sure. :)

> In the bios i have USCW enabled.

Uncached Speculative Write Combining? Big words for someone twiddling his
thumbs with Fast Writes.


> Anyone?
> thx

These are setings to make slow video faster, there was a day, not too long
ago, video cards needed lil tricks and tweaks to make them fast. If you have
a modern system (read greater than 1.3Ghz) and a modern video card (read
greater then GeForce3) all this is moot. FW, SBA, USWC, it's all shillings,
pounds and pence.

phobos
October 19th 03, 09:10 PM
Peter Hoenen wrote:

> Hello,
>
> In AIDA32 in the Chipset overview (AGP properties) there is mentioned;
>
> Fast-Write Available, Deactivated
> Side Band Adressing Available, Activated
>
> How do i avtivate the Fast-Write?
> I'm sure i have the correct drivers for my ASUS V8460 Ultra deluxe.
> In the bios i have USCW enabled.
>
> Anyone?
> thx
>
>

These were features initially introduced back with the first Geforce to
be used with some of the latter P3 boards and is now included with
almost any motherboard. They used to allow direct communication between
the CPU and the graphics chipset, but now they're depricated and were
hardly ever implemented right by either card manufacturers or
motherboard makers. Turn both off for stability concerns.

Check out Adrian's BIOS Guide at rojackpot.com

Shepİ
October 20th 03, 07:32 PM
On Mon, 20 Oct 2003 10:26:58 GMT, Knowing that it was a Hollywood
invention that lemmings jump off cliffs "Lenny" > wrote
:

>
>> but now they're depricated and were
>> hardly ever implemented right by either card manufacturers or
>> motherboard makers. Turn both off for stability concerns.
>
>This is not particulary true. There are no particular stability concerns
>with either feature in modern systems, they can both be happily enabled for
>a slight speed boost as long as the graphics card isn't a GF3, coz in that
>GPU sideband support is buggy and will crash the system within minutes of
>starting a 3D program. Then again, GF3s aren't really modern anymore either.

If there are no stability issues in modern systems them why has it
been disabled by default?



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Outback Jon
October 20th 03, 11:42 PM
Lenny wrote:
> This is not particulary true. There are no particular stability
> concerns with either feature in modern systems, they can both be
> happily enabled for a slight speed boost as long as the graphics card
> isn't a GF3, coz in that GPU sideband support is buggy and will crash
> the system within minutes of starting a 3D program. Then again, GF3s
> aren't really modern anymore either.

Gee, if that statement were particularly true, my system would be
crashing... But it's not. I have both Sideband and Fast Writes going, and
my GeForce3 works just fine...

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Lenny
October 21st 03, 01:08 AM
> Gee, if that statement were particularly true, my system would be
> crashing... But it's not. I have both Sideband and Fast Writes going,
and
> my GeForce3 works just fine...

Well, OK then, MOST people with systems crashing when using sidebanding I've
encountered have had GF3s installed. Yours is the first system I heard works
OK with sideband on a GF3.

You learn something new every day. :)

Shepİ
October 21st 03, 01:48 AM
On Tue, 21 Oct 2003 00:02:25 GMT, Knowing that it was a Hollywood
invention that lemmings jump off cliffs "Lenny" > wrote
:

>
>> If there are no stability issues in modern systems them why has it
>> been disabled by default?
>
>No idea.
>The stability issues were with EARLY systems.
>
>Possibly as a precaution against people owning older stuff.

Actually many mother board maker's stopped using the protocols as they
were found to be next to useless and cause instability and give no
real world performance increase and on some systems actually decrease
the performance.
I suspect the next graphics speeds ups will be using the,"Tile"
system of rendering most likely bought in by ATI or Nvidia and given a
new hyped name ;-)




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Lenny
October 21st 03, 11:16 AM
> Actually many mother board maker's stopped using the protocols

They haven't STOPPED using them. You can't STOP using them, these are
hardware features implemented in the chipset itself and can't be disabled.

> as they
> were found to be next to useless and cause instability and give no
> real world performance increase and on some systems actually decrease
> the performance.

With early drivers and hardware yeah, but that was a long time ago now.
Sidebanding has been available since AGP was first released, and fastwrites
since the original GF256. That's a loooong time in the computer biz. :)

Shepİ
October 21st 03, 09:10 PM
On Tue, 21 Oct 2003 10:16:14 GMT, Knowing that it was a Hollywood
invention that lemmings jump off cliffs "Lenny" > wrote
:

>
>> Actually many mother board maker's stopped using the protocols
>
>They haven't STOPPED using them. You can't STOP using them, these are
>hardware features implemented in the chipset itself and can't be disabled.

Then why have they been disabled in most mother boards?



>> as they
>> were found to be next to useless and cause instability and give no
>> real world performance increase and on some systems actually decrease
>> the performance.
>
>With early drivers and hardware yeah, but that was a long time ago now.
>Sidebanding has been available since AGP was first released, and fastwrites
>since the original GF256. That's a loooong time in the computer biz. :)

Available maybe but they why did the OP ask how to enable them?



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Lenny
October 22nd 03, 10:38 AM
> >They haven't STOPPED using them. You can't STOP using them, these are
> >hardware features implemented in the chipset itself and can't be
disabled.

> Then why have they been disabled in most mother boards?

They haven't. The features are THERE, they're just not turned on.

How could you disable them when they're an integral part of the silicon die,
huh?

Shepİ
October 22nd 03, 09:36 PM
On Wed, 22 Oct 2003 09:38:20 GMT, Knowing that it was a Hollywood
invention that lemmings jump off cliffs "Lenny" > wrote
:

>
>> >They haven't STOPPED using them. You can't STOP using them, these are
>> >hardware features implemented in the chipset itself and can't be
>disabled.
>
>> Then why have they been disabled in most mother boards?
>
>They haven't. The features are THERE, they're just not turned on.

Then if they are not turned on.Why?

>
>How could you disable them when they're an integral part of the silicon die,
>huh?

Because some boards have deliberately hidden the options to enable
them.Hmmmm...........

Thread kill filed :D



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phobos
October 23rd 03, 04:40 AM
Shepİ wrote:

> On Wed, 22 Oct 2003 09:38:20 GMT, Knowing that it was a Hollywood
> invention that lemmings jump off cliffs "Lenny" > wrote
> :
>
>
>>>>They haven't STOPPED using them. You can't STOP using them, these are
>>>>hardware features implemented in the chipset itself and can't be
>>
>>disabled.
>>
>>
>>>Then why have they been disabled in most mother boards?
>>
>>They haven't. The features are THERE, they're just not turned on.
>
>
> Then if they are not turned on.Why?
>
>
>>How could you disable them when they're an integral part of the silicon die,
>>huh?
>
>
> Because some boards have deliberately hidden the options to enable
> them.Hmmmm...........
>
> Thread kill filed :D
>
>
>

FW's and SB are features that have to be both enabled in the AGP card
and the BIOS, AS WELL AS having support in software (chipset drivers,
video drivers) to work correctly. Many AGP card BIOS's come with one or
both of them disabled. VGA Bios utilities sometimes allow you to modify
them and reflash.

Aki Peltola
October 23rd 03, 08:15 AM
"Shepİ" > wrote
> >> Actually many mother board maker's stopped using the protocols
> >They haven't STOPPED using them. You can't STOP using them, these are
> >hardware features implemented in the chipset itself and can't be
disabled.
> Then why have they been disabled in most mother boards?

Enabling Fast Writes by force with some tweak-util
on my GF3 Ti200 just makes games run a little bit
slower. SBA enabled the whole system crashes after
a few seconds I start a 3D-application. So no reason
to keep those enabled here...

Rivatuner says that my MB supports both functions,
but GF3 Ti200 doesn't. Funny, if someone's normal
(older) GF3 supports those?