TBass said:
Hi,
I have 4 PCI image capture cards that run at 60 frames/second, so only
two can go on any one PCI bus. We put 4 in one computer by using an
Intel Server Motherboard with a dual PCI bus, but that was 7 years ago,
and now that motherboard is toast. I need to get this system up and
running again quickly. Does anyone know of a motherboard with more than
one PCI bus that is readily available?
Thanks!
This page suggests you won't find systems with two PCI busses,
but may find products with a PCI bus and a PCI-X bus.
http://www.edt.com/recommended.html
One Southbridge chip which supports two busses, is the 6300ESB.
It would be found on some Intel processor based boards. (There
are certainly a ton of server boards that would do the job, but
would be even more obscure than the following suggestion.)
This board NCCH-DL, uses Xeon processors, and has
(2) 3.3V/64-bit/66MHz/PCI-X slots
(2) 5.0V/32-bit/33MHz/PCI slots
It is 12"x9.8" so close to ATX sized:
http://www.newegg.com/Product/Product.asp?Item=N82E16813131064
You would need a Xeon processor, _unbuffered_ DDR memory with
or without ECC (not registered memory), an AGP video card (not
a 3.3V only video card - something AGP 8X rated is safe).
Supported processors (yes, you will need a comp-sci degree to
figure out what to buy):
http://support.asus.com.tw/cpusuppo...x?type=1&name=NCCH-DL&SLanguage=en-us&cache=1
Driver downloads and manuals can be found here (enter mobo name)
http://support.asus.com.tw/download/download.aspx
User manual:
http://dlsvr03.asus.com/pub/ASUS/mb/Socket604/NCCH-DL/e1636_ncch-dl.pdf
Other details:
http://usa.asus.com/products4.aspx?l1=9&l2=39&l3=99&model=103&modelmenu=1
Best place to learn about this motherboard:
http://forums.2cpu.com/search.php
http://forums.2cpu.com/search.php?searchid=94274 (a search for NCCH-DL)
http://forums.2cpu.com/showthread.php?t=52272&highlight=ncch-dl
Note that, once you enter the "t=52272" official NCCH-DL thread,
you can use the "Search This Thread" menu item to search within
the thread.
For example, this item suggests checking the edge of your PCI capture
card, to see if it is a 5V only, or a universal 3.3V/5V card. If the
PCI cards are 5V only, they won't fit in the PCI-X slot. And that
would force you to look for a true dual-PCI based motherboard, which
might be harder to find.
http://forums.2cpu.com/showthread.php?p=475044&highlight=5v+pci#post475044
There is a large picture here:
http://www.gamepc.com/images/labs/rec-ncchdl-boardLG.jpg
Notice how there is a plastic "Key" near the faceplate end
of the PCI-X slot. I think that is the 3.3V key, and your
32 bit PCI card would need a slot cut to match that key.
If your PCI card is 5V only, it would have a slot
cut nearer the other end of the 32 bit section. Just like
there is a 5V key on the 32 bit slot... The 32 bit PCI
slot will accept a 5V only card or it would accept a
universal 3.3V/5V card (because that type would have both
slots cut), but would not take a 3.3V only card as far as I can
tell.
Anyway, I think you'll have a full day ahead of you
Good luck,
Paul