AGP "Fast Writes" Consensus w/ Radeons

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Hello everyone. I'd like to start a thread that serves as a compilation of
different people's experiences with "Fast Writes" with respect to
performance and stability on their Radeons.

Please respond to:

1. Did enabling/disabling AGP "Fast Writes" positively or negatively impact
performance?

2. Did enabling/disabling AGP "Fast Writes" positively or negatively impact
system stability?

3. and on which Radeon card with which motherboard?

Thanks!

--
Tony DiMarzio
djtone81@hotmail.com
djraid@comcast.net
 

JohnS

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> 1. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> performance?

Negatively .. producing extremely washed out colors in Far Cry.
Simply turning it off fixed that problem.

> 2. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> system stability?

Yes. I immediately noticed jerky screens in the OS.

> 3. and on which Radeon card with which motherboard?

Gigabyte ATI 9600XT ... Gigabyte 7ZXE rev 9

johns
 
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"Tony DiMarzio" <djtone81@hotmail.com> wrote in message
news:pImdnSl-VMjByWndRVn-gQ@comcast.com...
> Hello everyone. I'd like to start a thread that serves as a compilation
of
> different people's experiences with "Fast Writes" with respect to
> performance and stability on their Radeons.
>
> Please respond to:
>
> 1. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> performance?
>


This I don't know because I haven't tried both settings on either of my
machines.


> 2. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> system stability?
>


I have two computers. Machine #1 has a 2.8GHz P4 Northwood C processor
with a Gigabyte GA-8IPE1000 Pro motherboard and a built-by-ATI Radeon 9800
Pro with 128MB. Fast writes are enabled on that system and I've had no
problems except for stuttering/lag in Command & Conquer Generals Zero Hour
on larger skirmish maps.

My second system is an AMD Athlon XP 2500+ with a Gigabyte GA-7N400-L
motherboard with an Asus Radeon 9200SE 128MB. Fast Writes are disabled
and overall system stability is terrific.

Hmm, you've just given me a thought. I may have to re-visit Zero Hour
with Fast Writes disabled on my big computer and see what happens.
However, I'm not entirely sure the BIOS on the GA-8IPE1000 Pro allows you
to change the setting since I've never seen such a setting in there.


> 3. and on which Radeon card with which motherboard?
>


Heh, I guess I answered questions 2 and 3 in my comments above!


> Thanks!
>
> --
> Tony DiMarzio
> djtone81@hotmail.com
> djraid@comcast.net
>
 
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"Tony DiMarzio" <djtone81@hotmail.com> wrote in message
news:pImdnSl-VMjByWndRVn-gQ@comcast.com...
> Hello everyone. I'd like to start a thread that serves as a compilation of
> different people's experiences with "Fast Writes" with respect to
> performance and stability on their Radeons.
>
> Please respond to:
>
> 1. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> performance?

Enabled or disabled had NO measurable impact on performance.

>
> 2. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> system stability?

Disabled positively impacted game stability. When it was enabled games would
sometimes crash to desktop without an error message even being reported.

>
> 3. and on which Radeon card with which motherboard?

Radeon 9800 Pro 128mb 256bit
Asus A8V w/ Athlon FX53-939

>
> Thanks!
>
> --
> Tony DiMarzio
> djtone81@hotmail.com
> djraid@comcast.net
>
>
 
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PC-(1)
Asus P4R800-VM 2.8GHz P4 (800Mhz FSB) 2Gb PC2700 Dual Channel
ATI 9800Pro 128mb - fastwrites on, no glitches or problems. Never had to
disable it.

PC-(2)
Asus P4P800-VM 3GHz P4 (800Mhz FSB) 2Gb PC2700 Dual Channel
ATI 9800Pro 128mb - fastwrites on, no glitches or problems. Never had to
disable it.

PC-(3)
CF 968L SFF 2.4GHz P4 (533Mhz FSB) 1Gb PC2700 Dual Channel
ATI (Visiontek) 9500Pro 128mb - fastwrites on, no glitches or problems.
Never had to disable it.

All currently with Cat 4.4's - XP Pro SP1

"Tony DiMarzio" <djtone81@hotmail.com> wrote in message
news:pImdnSl-VMjByWndRVn-gQ@comcast.com...
> Hello everyone. I'd like to start a thread that serves as a compilation of
> different people's experiences with "Fast Writes" with respect to
> performance and stability on their Radeons.
>
> Please respond to:
>
> 1. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> performance?
>
> 2. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> system stability?
>
> 3. and on which Radeon card with which motherboard?
>
> Thanks!
>
> --
> Tony DiMarzio
> djtone81@hotmail.com
> djraid@comcast.net
>
>
 

JTS

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"Tony DiMarzio" <djtone81@hotmail.com> wrote in message
news:pImdnSl-VMjByWndRVn-gQ@comcast.com...
> Hello everyone. I'd like to start a thread that serves as a compilation of
> different people's experiences with "Fast Writes" with respect to
> performance and stability on their Radeons.
>
> Please respond to:
>
> 1. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> performance?

Neither

> 2. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> system stability?

Neither

> 3. and on which Radeon card with which motherboard?

9800Pro. ASUS P4P8090

> Thanks!
>
> --
> Tony DiMarzio
> djtone81@hotmail.com
> djraid@comcast.net
>
>
 
G

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Performance loss was minimal.
Stability gained was great.
9700pro on MSI KT4 Ultra

"Tony DiMarzio" <djtone81@hotmail.com> wrote in message
news:pImdnSl-VMjByWndRVn-gQ@comcast.com...
> Hello everyone. I'd like to start a thread that serves as a compilation of
> different people's experiences with "Fast Writes" with respect to
> performance and stability on their Radeons.
>
> Please respond to:
>
> 1. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> performance?
>
> 2. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> system stability?
>
> 3. and on which Radeon card with which motherboard?
>
> Thanks!
>
> --
> Tony DiMarzio
> djtone81@hotmail.com
> djraid@comcast.net
>
>
 

Qv

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Apr 3, 2004
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Archived from groups: alt.comp.periphs.videocards.ati (More info?)

"Tony DiMarzio" <djtone81@hotmail.com> wrote in message
news:pImdnSl-VMjByWndRVn-gQ@comcast.com...
> Hello everyone. I'd like to start a thread that serves as a compilation of
> different people's experiences with "Fast Writes" with respect to
> performance and stability on their Radeons.
>
> Please respond to:
>
> 1. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> performance?
>
No noticeable difference.

> 2. Did enabling/disabling AGP "Fast Writes" positively or negatively
impact
> system stability?
>
Enabled - while playing 3D games, monitor will occasionally appear to enter
suspend mode and won't wake up

Disabled - PC is totally solid


> 3. and on which Radeon card with which motherboard?
>
ATI 9800AIW on Asus P4B533

> Thanks!
>
> --
> Tony DiMarzio
> djtone81@hotmail.com
> djraid@comcast.net
>
>
 

pip

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Jun 13, 2004
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Tony DiMarzio wrote:
> Hello everyone. I'd like to start a thread that serves as a compilation of
> different people's experiences with "Fast Writes" with respect to
> performance and stability on their Radeons.
>
> Please respond to:
>
> 1. Did enabling/disabling AGP "Fast Writes" positively or negatively impact
> performance?

Don't know, not enough to notice without benchmarking.

> 2. Did enabling/disabling AGP "Fast Writes" positively or negatively impact
> system stability?

HUGE gain in stability. As in, it would lock up and/or give a corrupted
display in 2D if I didn't get to it to set FWs off quick enough. Need to
re-check this now though, as a lot of general 3D lockup problems (not
FW-related) were fixed by updating the motherboard's chipset drivers.
Might have affected 2D with FW on.

> 3. and on which Radeon card with which motherboard?

9800 Pro, and a manky old PC Chips M810L.

> Thanks!
 
G

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On 7/13/2004 2:29 PM Tony DiMarzio brightened our day with:

>Hello everyone. I'd like to start a thread that serves as a compilation of
>different people's experiences with "Fast Writes" with respect to
>performance and stability on their Radeons.
>
>
>
AthlonXP 2500+ @ 3200, K7N2-L MSI nForce2 Mobo, SB Audigy1

>Please respond to:
>
>1. Did enabling/disabling AGP "Fast Writes" positively or negatively impact
>performance?
>
>
>
w/ 9800 Pro, 1 Gb Corsair Dual Channel XMS RAM fastwrites *on/off* no
difference
w/ 9600 Pro, 512 Mb Corsair Dual Channel XMS RAM fastwrites *on/off* no
difference


>2. Did enabling/disabling AGP "Fast Writes" positively or negatively impact
>system stability?
>
>
w/ 9800 Pro, 1 Gb Corsair XMS RAM fastwrites *on* caused stability
problems, with fastwrites *off* no problems since.
w/ 9600 Pro, 512 Mb Corsair XMS RAM fastwrites *on* fixed problems in a
couple games, didn't seem to cause problems anywhere.


I had fastwrites enabled for the entire time (except for a couple of
tests) I had my 9600 Pro, I turned fastwrites off two days after
installing the 9800 Pro and have left them off.
The only comparison tests I ever ran were 3DMark and the results were
within the 5% margin of error.


--
"You keep using that word. I do not think it means what you think it means."

- Inigo Montoya
Steve [Inglo]
 
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On Tue, 13 Jul 2004 17:29:53 -0400, "Tony DiMarzio"
<djtone81@hotmail.com> wrote:

>Hello everyone. I'd like to start a thread that serves as a compilation of
>different people's experiences with "Fast Writes" with respect to
>performance and stability on their Radeons.

>Please respond to:

>1. Did enabling/disabling AGP "Fast Writes" positively or negatively impact
>performance?

Nothing either way after the 8500 series KT7-Raid & NF7-S v2.0

>2. Did enabling/disabling AGP "Fast Writes" positively or negatively impact
>system stability?

Ditto

>3. and on which Radeon card with which motherboard?

Some MOBO's can run with ' fastwrites ', many can not and introduce
instability.

Radeon cards do support fastwrites, but there is no ' speed gain ', so
cost / benefit analysis suggests that :

- cost = instability
- benefit = none, there is no gain, turn em off.

>Thanks!
BoroLad
 

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