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Reserve Windows Mem for PCI Device

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Original Message
Name: 99bobster99
Date: June 9, 2007 at 04:14:30 Pacific
Subject: Reserve Windows Mem for PCI Device
OS: Windows 2000 Pro
CPU/Ram: Quad Xeon (x2), 2G
Model/Manufacturer: Intel S5000VSA
Comment:

Hi,

I'm hoping someone can help me with a problem I'm having running a new PCI card in a 64 bit PCI slot using W2K Pro. When I use "System Info" the new PCI card is using the same memory address as 2 other system PCI components (PCI-E x8 and PCI-X Bridge). Is there a way to exclude this memory (B8000000-B8FFFFF) that the new PCI card needs from Windows, so that it won't be used by the system PCI components? I tried the posted Microsoft fix for /PCILOCK in the boot.ini file, but there is still the same memory overlap after using this fix?? I'm thinking that excluding this memory area from Windows would be my best choice, but where is this done within the Windows environment, is there a better choice?

Many thanks.


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Response Number 1
Name: OtheHill
Date: June 10, 2007 at 12:29:48 Pacific
Subject: Reserve Windows Mem for PCI Device
Reply: (edit)

I see no one else has tackled this post so I will give it a go. I suggest you look into your BIOS screens to see if it is possible to allocate resources to certain PCI slots. If possisible, keep in mind that once those resources are allocated manually they won't be shared. You can run out of IRQs. I believe there is usually a block of memory that will automatically be assigned by default. Not sure if you can change that but it may not be necessary. For that matter, I'm not sure what you want to do is even necessary. Are you having issues with that slot?


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Response Number 2
Name: 99bobster99
Date: June 11, 2007 at 03:47:07 Pacific
Subject: Reserve Windows Mem for PCI Device
Reply: (edit)

When I put this PCI card in either of the 2 64 bit slots it causes the computer to lockup (reboot) after Windows has been running for a short time. The card will run in the 32 bit slot (there are no overlapping memory regions when the card is in the 32 bit slot??) but there are features of the card (framegrabber) that do not work properly when it is in the 32 bit slot, this is why I need to get it running in the 64 bit slot. The Intel motherboard (S5000VSA) only gives me 1 option for the PCI slot configuration (use memory below 2.5G or above 4.0G, that's it??) I tried both and neither options allows the card to work properly. This is why I was thinking that there maybe an "EMMExclude" option under NT like Windows 95/98 use to have. I added this line to the system.ini file but it doesn't do anything either ... I'm all out of ideas??


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