3d lockups

[paulcs]

Sarojin, that's one of the funkiest IRQ lists I've seen in a while. If I was going to remove my PCI and ISA boards and replace them one by one, I would try the following:

In your motherboard's BIOS, you should have the option to assign IRQ's to your various PCI slots. Assign IRQ 9 (or 11) to PCI 1. (Remember, PCI 1 shares an IRQ with the AGP slot.)

See if you can get your COM ports on IRQ's 3 and 4, where they belong. Frankly, if you're not using both (and who does), disable one.

PCI slots 2 and 3 are frequently unshared on BX boards without onboard IDE controllers. You might want to put your soundcard in one and your SCSI card in the other.

I usually stick my NIC in PCI 5.

When you get your IRQ house in order, you might want to reinsert your G400, making sure it's properly aligned and all the way in the slot. A slightly misaligned AGP card is a perscription for lockups, amongst other things.

Abit motherboard owners used to have this problem a lot, although I've seen it happen with other brands as well. It's just the way the case, motherboard, and the I/O plate on the AGP card interact with each other. It isn't anyone's fault really.

Paul
paulcs@flashcom.net

[ALBPM]

Here's some backup to what paulcs just said...

There has been an issue with seating the G400 properly with some Motherboard/Case combinations.




Here's what I think is happening with some cases/mother boards.


Other things to do:

IRQ's: Make sure the G400 is on IRQ 9 or higher. And leave the first PCI slot under the AGP slot empty.

AGP Aperature: In the system Bios set the aperature to 128 or 256.

Also, there may be problems with excess noise on some motherboards. You may try removing any fans plugged into the three pin motherboard power connectors and use the 4 pin adapters to connect directly to the power supply.

Paul

[Sarojin]

here's my current table.

0 System timer
1 Standard 101/102-Key or Microsoft Natural Keyboard
2 Programmable interrupt controller
3 Creative SB Live! Value
3 Realtek RTL8029(AS) PCI Ethernet NIC
3 Intel 82371AB/EB PCI to USB Universal Host Controller
3 IRQ Holder for PCI Steering
4 (free)
5 Creative SB16 Emulation
6 Standard Floppy Disk Controller
7 (free)
8 System CMOS/real time clock
9 PE Logic PEL-PCI-FAST SCSI controller
9 IRQ Holder for PCI Steering
10 (free)
11 (free)
12 PS/2 Compatible Mouse Port
13 Numeric data processor
14 Primary IDE controller (dual fifo)
14 Intel 82371AB/EB PCI Bus Master IDE Controller
15 Matrox Millennium G400 - English
15 IRQ Holder for PCI Steering

the card is in the agp slot <perfect>, I checked and double checked it

[AJ]

Anybody know how to change IRQs with Win2k?

I wind up with my nic, sblive and g400 on IRQ9. W2k ignores any changes I make to the bios and the dev manager tab to change resource settings has all the controls greyed out. I'm using an Asus p3v4x with
the latest via drivers.

Thanks,
-AJ

[Buback]

I've had this same problem before. the computer locks and i get lots of coruption, especialy noticible around the mouse pointer because that's the only think that still works. anyway my matrox irq is 5, but i'm going to bump it higher and see if it is any better.

however it pretty much occures randomly, and not just in 3d apps, so irq could definatly be the culprit.

Buback

[Sisyfos]

AJ, if your Win2K is setup in ACPI mode, all your PCI devices will share the same IRQ.
This is somewhat obscuring if your devices are using the same PIRQ signal.
An easy way to see is disabling 'PNP OS' in bios and hit pause during boot, to see the IRQ assignment as done by bios.
Of course you could also study the mobo manual to see which PCI slots are sharing.

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[Admiral]

I don't think it's the seating Paul or the card wouldn't even boot (beeps and no signal alerts on the monitor). I had the seating problem with an SE440 BX-2 and every time I had to take my vanilla out (to put a pentium cooler or for other reasons) it's been a hell puting it back in the right position. With the MSI board I have no such problem.

Could it be that his G400 is on IRQ 15 and not 11 ? (it's higher than 9 anyway and it's not sharing)