PCI capacity limit -new PC

sidon · Post by **sidon** » Tue Apr 26, 2005 2:10 am

Hi,
I have a new PC , it has a P4 3Ghz.
on a MSI ms7058 mother board.
It is a pci express mobo , so as much as I know no one share the PCI bus with creamware's Luna PCI card.
My Luna sits in PCI slot 1 .
I have set the PCI latency to 128 .

Also the PC sometimes just hangs, and only a reset helps , it happens only when playing music software so I think it is related ..

of course I have updated the bios and all drivers , even installed XP sp2 , just in case ..

I would really really appreciate someone's help on this one.

Thanks,
Sid

wayne · Post by **wayne** » Tue Apr 26, 2005 3:23 am

This recent thread concerns MSI boards

sidon · Post by **sidon** » Tue Apr 26, 2005 3:27 am

Hi,
I have read this post ,
But this is tyhe mobo I have I think it should work and before I replace it,
I want to try other things .

Sid

Casper · Post by **Casper** » Tue Apr 26, 2005 5:06 am

" set the PCI latency to 128 "
Why did you do that ?

I think we need more info about your config.
HyperT enabled?
Did you disable everything you don't use in the bios ? USB , serial ports , parralel port?

greetings,

Casper

sidon · Post by **sidon** » Tue Apr 26, 2005 7:47 am

Hi,
Thanks for answeing,
I have set the PCI latency to 128 becuase I think that the luna is the only PCI device I have so maybe if it could have longer PCI bus transactions it will solve the problem .

I have disabled the hyperthreading .

I have not disable other things in the BIOS because I was thinking this new PC should handle all the inlcuded features , since my old PC caould,
I will try disabling the USB but I will need it later ...

Regards,
Sid

voidar · Post by **voidar** » Tue Apr 26, 2005 9:28 am

How did you set the PCI latency? PCIe is a whole new system and PCI tools will not work for this.

What video card do yo use?

<font size=-1>[ This Message was edited by: voidar on 2005-04-26 10:29 ]</font>

sidon · Post by **sidon** » Tue Apr 26, 2005 10:15 am

Hi,
This Mother board support both pci express and the "old" PCI .

In the BIOS I have a place where I can set the PCI latency . (This advice is also listed in the creamware FAQ).

My Graphic card is NVIDIA pcx 5300 ,it is a pci express card.

I am starting to think that this is related to the USB, because after disabling USB in the BIOS I had managed to play music fo 3 hours with no crash , but I did get the PCI capacity limit message again, after telling him to retry every thing was good again.

Sid

Casper · Post by **Casper** » Wed Apr 27, 2005 2:19 am

"PCI capacity limit message "

In windows ? What does this message say exactly? Are you using LogicAudio ?
And XP ? If so then you could try and set a lower priority to the process that sucks up to much cpu. It could be logic, could be sfp. Just check it in tastbar. Right click on a process and set a lower priority.

I think you should try your default pci latency as well. I never changed it , works like a charm here. But I cannot check my setting since I'm unable to see my bios due to my Matrox card...

Greets,
Casper

sidon · Post by **sidon** » Wed Apr 27, 2005 7:13 am

Hi,
Iam using cubase sx 2.2 ,
I use XP pro,

This same setup worked swell on my older PC.
But I do remeber something about changing the prioraty of sfp , can you please remind me what this was all about ?
anyway the problem is that the PC hangs and I can not see anything I only can do reset .

Sid

voidar · Post by **voidar** » Wed Apr 27, 2005 9:17 am

On 2005-04-26 11:15, sidon wrote:
Hi,
This Mother board support both pci express and the "old" PCI .

In the BIOS I have a place where I can set the PCI latency . (This advice is also listed in the creamware FAQ).

My Graphic card is NVIDIA pcx 5300 ,it is a pci express card.

I am starting to think that this is related to the USB, because after disabling USB in the BIOS I had managed to play music fo 3 hours with no crash , but I did get the PCI capacity limit message again, after telling him to retry every thing was good again.

Sid

Are there dedicated PCI and PCIe slots on the MB or do they all fit in the same slots?

If there is only one type of slot, legacy-PCI will share resources with the PCIe bus. The problem with this is that these early legacy-PCI controllers are not given enough bandwidth if the PCIe bus is being taxed by other devices like USB, Firewire, but most importantly the GPU/Video card.

I don't think the 5300 is a very high-level GPU, or?

Anyway, try disabling all the stuff you don't need.

shanesween · Post by **shanesween** » Fri Apr 29, 2005 4:27 am

This absolutely did my head in for ages...what i did was leave hyper threading enabled but set the affinty of both cubase and your luna to different processors. It doesnt erradicate the error but it happens an awful lot less

sidon · Post by **sidon** » Fri Apr 29, 2005 4:24 pm

Hi all thanks for the answers.

My status is like this ,
I have reintalled everything ,
did it by the book . defrag before and all.
I have installed the Luna drivers and the SFP .
Then installed cubase and some VSTs ,
Every thing run good untill I got the PCI capacity limit message again,
I have changed the SFP priprity to low,
and I have been running a test case on the cubase with some VST and lots of effect , is now running on 80% cpu for about 2 hours, and it looks good (a record till now).
So I have looked in the system Info and for my surprise I have found out that the Luna IRQ is shared with some other devices.

Please take a look in the IRQ list at the end of this post and help me in what do you think I should do ?

My options are :
To change the PCI irqs manauly, This can be done in the BIOS if this is what needed.
I can also change the PCI slot , since it is the closest to the PCIX graphic card .

Also what should I do for the other devices sharing IRQs .

Is there a prefferd IRQ number ?

This are the IRQ list:

IRQ 0 System timer OK
IRQ 1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard OK
IRQ 3 Built-in Infrared Device OK
IRQ 4 Communications Port (COM1) OK
IRQ 6 Standard floppy disk controller OK
IRQ 8 System CMOS/real time clock OK
IRQ 9 Microsoft ACPI-Compliant System OK
IRQ 10 Intel(R) 82801FB/FBM SMBus Controller - 266A OK
IRQ 12 Microsoft PS/2 Mouse OK
IRQ 13 Numeric data processor OK
IRQ 14 Primary IDE Channel OK
IRQ 15 Secondary IDE Channel OK
IRQ 16 Intel(R) 915G/P/GV PCI Express Root Port - 2581 OK
IRQ 16 NVIDIA GeForce PCX 5300 OK
IRQ 16 Intel(R) 82801FB/FBM PCI Express Root Port - 2660 OK
IRQ 16 Intel(R) 82801FB/FBM USB Universal Host Controller - 265B OK
IRQ 16 Creamware DSP-Board OK
IRQ 23 Intel(R) 82801FB/FBM USB Universal Host Controller - 2658 OK
IRQ 23 Intel(R) 82801FB/FBM USB2 Enhanced Host Controller - 265C OK
IRQ 19 Intel(R) 82801FB/FBM USB Universal Host Controller - 2659 OK
IRQ 19 Intel(R) 82801FB Ultra ATA Storage Controllers - 2651 OK
IRQ 18 Intel(R) 82801FB/FBM USB Universal Host Controller - 265A OK
IRQ 20 VIA VT6410 RAID Controller OK

Thanks,
Sid

<font size=-1>[ This Message was edited by: sidon on 2005-04-29 17:42 ]</font>

Post by **garyb** » Fri Apr 29, 2005 5:46 pm

the easiest way to fix the usb sharing issue is to disable the controller that is on the same irq as the luna card.

sidon · Post by **sidon** » Fri Apr 29, 2005 6:04 pm

Hi,
Garyb - thanks for answering,
But what if I want to have USB .
also what should I do with rest of the sharing on IRQ 16.

Post by **garyb** » Fri Apr 29, 2005 6:33 pm

if you disable 1 usb controller, the other will still work. as to the other sharing, it's probably ok. sharing is not a problem unless 2 devices try to access the cpu at the same time. for a realtime audio process it's fatal, but for other processes, there may never be a problem or it'll be a one day out of 100s that you'll notice any problem. if it works, it's ok.

dbmac · Post by **dbmac** » Sat Apr 30, 2005 7:45 am

I suggest moving your Creamware card to another PCI slot - your mboard manual should show you what PCI slots share IRQs. There should be at least one PCI that doesn't share IRQ.

/dave

sputnik · Post by **sputnik** » Mon May 02, 2005 8:31 am

I also have this "capacity limit reached" problem.

My system:

I'm using Cubase SX with Luna 2.
Scope Platform 4.0
MSI 865PE Neo2-PFS Platinum
HighPoint RocketRAID 1542
Intel® Pentium® 4 Processor 3.2GHz
2GB Samsung (original)in Dual RAM mode
XP SP2

The worst thing is, that the error occures, lets say, every 2-5 minutes. Not only in cubase...

I don't know what to do!

thx for ANY helpful post...

astroman · Post by **astroman** » Mon May 02, 2005 11:11 am

the RAID is probably blocking the bus.
afai can imagine RAIDS aren't designed with audio DAW's requirements in mind - they are general office stuff where a few milliseconds of data dropout doesn't matter if a lot of users can be served.

my 2 cents, Tom

Casper · Post by **Casper** » Mon May 09, 2005 6:57 am

Your, motherboard manual will tell you what slot is linked to what irq. Try to find out what pci slot is irq 5 and change it to that slot.

Usb is ok , but do you realy need say 6 usb ports? Maybe 2 will be sufficient.
For debugging purposes it's best to shut everything down that isn't needed to test your setup.

cheers,
Casper

flint · Post by **flint** » Mon May 09, 2005 8:53 am

I noticed the same thing with the IRQs before. This is something to do with windows overlapping with the DSP card.

I resolved this by taking the card out and putting it back in. I wouldn't have done this otherwise, but I couldn't access my card at all.

So I decided to take it out and give my computer a good clean as the dust inside was a lot. Then put back the card and worked just fine.

I think it was IRQ 16 before now it is 20.

Try this and tell me if it works.