My G400 Thinks It's PCI Instead of AGP2X

[slim]

Ok, im running a Celeron 300a at 374mhz on an Abit BH6 with 128megs of RAM. Im running Win98. I have a G400 16meg that used to run fine. But now it thinks (or my system thinks) that its on the PCI bus instead of the AGP. Because of this, no AGP texturing is done, decreasing performance.
Anyone have any ideas on what i can do?
Thanks a lot

[SteveC]

what makes you think that the g400 'thinks its on the pci bus'? (even though the agp is eseentially still the pci bus)

------------------
Cheers,
Steve

"Life is what we make of it, yet most of us just fake"

[slim]

Many programs have told me this. ex/ Powerstrip and 3DMark. Also based on tests i can tell that AGP texturing is not being used.
-Jon

[SteveC]

what does the matrox tech support util say in the AGP tab?

(Available from http://www.matrox.com/mga/support/dr...ftp_util2.cfm)

------------------
Cheers,
Steve

"Life is what we make of it, yet most of us just fake"

[slim]

Ok I have the Matrox utility and the AGP tab says;
AGP Bus Speed = 1x AGP
AGP Version = 1.x
Max Chipset Speed = 2x
Current Chipset Speed = 2x
Current Video Card Speed = 1x
SideBand Addressing = ON

I've tried checking the 2x button but when i reset it just goes back to 1x.
And in Powerstrip, Graphics Information, on the DirectX/OpenGL Tab, it says;
Memory Status = 15megs
DirectX Memory => Local=15megs Non-Local=0.0megs
AGP Support = n/a
I also cant check the AGP support to say DMA or DIME.

[SteveC]

What happens if you run your celery at 300mhz?

------------------
Cheers,
Steve

"Life is what we make of it, yet most of us just fake"

[Bohrn]

Like Steve said. Also you could try the 75mhz fsb. It is more stable than the 83. At 83mhz fsb the pci bus is running at 41.5mhz and is much higher than it is designed for. It caused alot of probs for me and I could not do it on my system. CPU and memory were fine tho and its a shame the rest of the system couldn't hack it.

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AsusP3B ,iCeleron525(7x75), 128megs PC133, G40032megSH, Diamond MX300, 13.5gigs of HD's, 52X CDrom and 98SE w/shutdown patch, PD 6.04,Altec Lansing ATP3,Envision 17incher,1 grey cat, 1 black cat and 1 calico

[This message has been edited by Bohrn (edited 22 October 2000).]

[Alec]

Check DirectX diagnostics for AGP support.
Also, check your AGP aperture size in the BIOS. It might be disabled and you are advised to set it to 256.

[slim]

Overclocking doesnt seem to have an effect on the problem. Ive tried all sorts of speeds, including 300.
here's what Powerstrip diagnostics tells me:
Diagnostic report
--------------------------------------------------
CPU speed - 375 MHz
System board - Intel
Primary graphics card - Matrox 0525h
Silicon revision - 04h
Graphics memory clock - 200 MHz
Graphics engine clock - 150 MHz
Graphics card BIOS version - (V1.6A) b2
Graphics card IRQ - IRQ3, shared
Graphics card AGP revision - 2.00
System board AGP aperture - 128 MB
USWC enabled - yes
System board AGP transfer support - 1x, 2x
Graphics card AGP transfer support - 1x, 2x
AGP traffic currently enabled - 2x
System board SBA - supported
Graphics card SBA - supported
AGP sideband currently enabled - yes
Pipelined transactions - supported, queue depth of 32
Fast write protocol - n/a
Graphics card memory - 16 MB
DirectX memory - 15 MB
AGP mode - n/a
Windows version - 4.10.1998
DirectX version - 4.08.00.0219
AGP driver - vgartd.vxd - 1.0.26
GART manager - n/a
Display driver name - g400.drv
Display driver version - 4.12.01.1640
OpenGL driver - g400icd.dll
OpenGL version - 2k 5.14.033, 9x 6.04.028

Device enumeration
--------------------------------------------------
Intel CPU bridge (71908086h)
Intel PCI bridge (71918086h)
Intel ISA bridge (71108086h)
Intel IDE controller (71118086h)
Intel USB (71128086h) - using IRQ10
Intel PM controller (71138086h)
Realtek Ethernet controller (813910ECh) - using IRQ3
Matrox VGA controller (0525102Bh) - using IRQ3
-----------------------------------------------
As you can see GART manager says N/A and AGP Mode says N/A

[slim]

My Aperture size in my Bios is working, albeit set to 128megs.
This is what DxDiag says:

DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Not Available

Thanks

[Maggi]

Originally posted by slim:
Graphics card IRQ - IRQ3, shared

There you go ...

The G400 needs an IRQ of 9 or above and it should only be shared with PCI Steering !!!

I guess your most bottom PCI slot is occupied ... if possible, put that card in a different slot and post again a list of IRQs.

Cheers,
Maggi

[slim]

Awesome, ill try that!
THANKS!

[Kruzin]

Additionally, check your motherboards BIOS for 2 things:
AGP/PCI boot order : AGP first
Assign IRQ to AGP : Enabled

Sometimes Windows will assign an IRQ to a card, even if the BIOS has not assigned one. You want the BIOS to assign one, and for windows to use that one, not one windows makes up.

[slim]

Ok guys, none of that helped.
Im totally stumped.
there wasnt a setting for Assign IRQ to AGP
but there was one to Assign IRQ to VGA
i turned that on and it changed the irq to 10 but it still wont do AGP.
I even took out my ISA sound card and put my chip to 300mhz.
any other advice guys?
is there anything to do with GART? cuz i here people talk about this along side AGP...
btw, here's the latest diagnostic:


Diagnostic report
--------------------------------------------------
CPU speed - 301 MHz
System board - Intel
Primary graphics card - Matrox 0525h
Silicon revision - 04h
Graphics memory clock - 166 MHz
Graphics engine clock - 124 MHz
Graphics card BIOS version - (V1.6A) b2
Graphics card IRQ - IRQ10, not shared
Graphics card AGP revision - 2.00
System board AGP aperture - 256 MB
USWC enabled - yes
System board AGP transfer support - 1x, 2x
Graphics card AGP transfer support - 1x, 2x
AGP traffic currently enabled - 2x
System board SBA - supported
Graphics card SBA - supported
AGP sideband currently enabled - yes
Pipelined transactions - supported, queue depth of 32
Fast write protocol - n/a
Graphics card memory - 16 MB
DirectX memory - 15 MB
AGP mode - n/a
Windows version - 4.10.1998
DirectX version - 4.08.00.0219
AGP driver - vgartd.vxd - 1.0.26
GART manager - n/a
Display driver name - g400.drv
Display driver version - 4.12.01.1640
OpenGL driver - g400icd.dll
OpenGL version - 2k 5.14.033, 9x 6.04.028

Device enumeration
--------------------------------------------------
Intel CPU bridge (71908086h)
Intel PCI bridge (71918086h)
Intel ISA bridge (71108086h)
Intel IDE controller (71118086h)
Intel USB (71128086h) - using IRQ3
Intel PM controller (71138086h)
Realtek Ethernet controller (813910ECh) - using IRQ11
Matrox VGA controller (0525102Bh) - using IRQ10

[DentyCracker]

"System board AGP transfer support - 1x, 2x
Graphics card AGP transfer support - 1x, 2x
AGP traffic currently enabled - 2x
System board SBA - supported
Graphics card SBA - supported
AGP sideband currently enabled - yes
Pipelined transactions - supported, queue depth of 32"

That says that your card is running at agp 2x I think.