Can a computer support 3 PCI Ethernet cards

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  • riosluts
    Confirmed User
    • Sep 2003
    • 5250

    #1

    Can a computer support 3 PCI Ethernet cards

    all at the same time or will there be problems?

  • Goose
    Confirmed User
    • Mar 2004
    • 5725

    #2
    I've got two in my PC, and didn't have any problems at all.
    So three should also be alright IMHO.
    ICQ: 52410619

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    • Apache_A
      Confirmed User
      • May 2004
      • 434

      #3
      Depends on the Cards and the OS, but you'll probably be fine
      ICQ:2116226

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      • chri$tian
        Confirmed User
        • Aug 2003
        • 2468

        #4
        Make sure there all the same model..
        http://www.3dsex.com

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        • riosluts
          Confirmed User
          • Sep 2003
          • 5250

          #5
          because i am getting problems. I have to basically disable one of them so the other two can work. Only two at a time can work? Maybe it some comflics or something?

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          • sarettah
            see you later, I'm gone
            • Oct 2002
            • 14327

            #6
            Originally posted by riosluts
            because i am getting problems. I have to basically disable one of them so the other two can work. Only two at a time can work? Maybe it some comflics or something?
            Probably a conflict. I know I have had at least 4 working in the same box at once but don't ask how we got it set up because that was like 5 years or so ago.
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            • acctman
              Confirmed User
              • Oct 2003
              • 2840

              #7
              it can support all three. having all 3 the same brand may make things a little confusing one cause you won't know which is which. my server (mini shuttle box) has the option for two lan port but i only needed one. right now i'm running with the LAN and Wifi active no problem.

              Comment

              • excitica
                Confirmed User
                • Aug 2004
                • 146

                #8
                i have a three network card - wireless, DVB and local ethernet - no problem
                but i think you'll have some problems with 3 ethernet cards
                too much love will kill you...
                ICQ 9779478

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                • TexasDreams
                  former Miserable Admin :)
                  • Oct 2003
                  • 4700

                  #9
                  Originally posted by riosluts
                  all at the same time or will there be problems?
                  I've done a W2K Server box with 4, all of them the same brand of 3Com. Had to do this registry hack for load balancing across all of the cards.

                  http://www.windowsnetworking.com/kba...ptercards.html

                  Hive: HKEY_LOCAL_MACHINE
                  Key: SYSTEM\CurrentControlSet\Services\NetBT\Parameters
                  Name: RandomAdapter
                  Type: REG_DWORD
                  Value: 1 enable

                  ICQ: 168-914-369 >>> sysop [at] TexasDreams [dot] com

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                  • detroitiron
                    So Fucking Banned
                    • Apr 2004
                    • 157

                    #10
                    Originally posted by TexasDreams
                    I've done a W2K Server box with 4, all of them the same brand of 3Com. Had to do this registry hack for load balancing across all of the cards.

                    http://www.windowsnetworking.com/kba...ptercards.html

                    Hive: HKEY_LOCAL_MACHINE
                    Key: SYSTEM\CurrentControlSet\Services\NetBT\Parameters
                    Name: RandomAdapter
                    Type: REG_DWORD
                    Value: 1 enable

                    Nice find!

                    Comment

                    • jimmyf
                      OU812
                      • Feb 2001
                      • 12651

                      #11
                      Originally posted by Goose
                      I've got two in my PC, and didn't have any problems at all.
                      So three should also be alright IMHO.
                      yep I've had two also, i
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                      • riosluts
                        Confirmed User
                        • Sep 2003
                        • 5250

                        #12
                        giving this thread a bump

                        Comment

                        • riosluts
                          Confirmed User
                          • Sep 2003
                          • 5250

                          #13
                          Originally posted by TexasDreams
                          I've done a W2K Server box with 4, all of them the same brand of 3Com. Had to do this registry hack for load balancing across all of the cards.

                          http://www.windowsnetworking.com/kba...ptercards.html

                          Hive: HKEY_LOCAL_MACHINE
                          Key: SYSTEM\CurrentControlSet\Services\NetBT\Parameters
                          Name: RandomAdapter
                          Type: REG_DWORD
                          Value: 1 enable

                          i dotn think that works for winxp, since I dont have the RandomAdapter regedit

                          Comment

                          • Kard63
                            Confirmed User
                            • Nov 2003
                            • 8944

                            #14
                            Originally posted by riosluts
                            giving this thread a bump
                            Yes you can, you will likely get an IRQ conflict but thats easily fixed. Since you would be capable of tansfering SOOO much you might not have enough processing power to send and full speed with all, then you might need some balancing tweak/hack.

                            Comment

                            • riosluts
                              Confirmed User
                              • Sep 2003
                              • 5250

                              #15
                              Originally posted by riosluts
                              i dotn think that works for winxp, since I dont have the RandomAdapter regedit
                              ahh nevermind i found this thread http://www.winnetmag.com/Article/Art...258/23258.html and it says to add that RandomAdapter

                              Comment

                              • riosluts
                                Confirmed User
                                • Sep 2003
                                • 5250

                                #16
                                Originally posted by Kard63
                                Yes you can, you will likely get an IRQ conflict but thats easily fixed. Since you would be capable of tansfering SOOO much you might not have enough processing power to send and full speed with all, then you might need some balancing tweak/hack.
                                actually no. I would only use probably 2 at a time at "max capacity" the reason why I want all 3 to work is because I don't want to switch around between them. Where can I get these IRQ conflicts fixed? Device Properties?

                                Comment

                                • TexasDreams
                                  former Miserable Admin :)
                                  • Oct 2003
                                  • 4700

                                  #17
                                  Originally posted by riosluts
                                  ahh nevermind i found this thread http://www.winnetmag.com/Article/Art...258/23258.html and it says to add that RandomAdapter
                                  There's a bunch of TCP/IP registry parameters that are not set by default. This knowledge base article (WinXP) lists them all.

                                  http://support.microsoft.com/default...b;en-us;314053

                                  ICQ: 168-914-369 >>> sysop [at] TexasDreams [dot] com

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                                  • gwilkins
                                    Confirmed User
                                    • Feb 2004
                                    • 744

                                    #18
                                    Originally posted by riosluts
                                    actually no. I would only use probably 2 at a time at "max capacity" the reason why I want all 3 to work is because I don't want to switch around between them. Where can I get these IRQ conflicts fixed? Device Properties?
                                    For winXP you can click through the adapters manually in start/administrative tools/Computer Management /Device Manager. While your there have a look at the event viewer for funky errors from your network stuff.

                                    Some older motherboards (BX chipset comes to mind) have a PCI slot that isn't very co-operative. It's one of the middle slot and should be documented as a 'non busmastering' slot. That problem has caused me huge headaches in the past installing multiple video capture cards.

                                    Comment

                                    • riosluts
                                      Confirmed User
                                      • Sep 2003
                                      • 5250

                                      #19
                                      Originally posted by gwilkins
                                      For winXP you can click through the adapters manually in start/administrative tools/Computer Management /Device Manager. While your there have a look at the event viewer for funky errors from your network stuff.

                                      Some older motherboards (BX chipset comes to mind) have a PCI slot that isn't very co-operative. It's one of the middle slot and should be documented as a 'non busmastering' slot. That problem has caused me huge headaches in the past installing multiple video capture cards.
                                      is there anyway to check if I have a BX chipset?

                                      Comment

                                      • gwilkins
                                        Confirmed User
                                        • Feb 2004
                                        • 744

                                        #20
                                        Originally posted by riosluts
                                        is there anyway to check if I have a BX chipset?
                                        Look up your motherboard documentation and they may have documented it. The manufacturer, model #, and revision # should be on the board.

                                        It might be a different problem but that's what I would look at next. Try searching GFY for 'Agent White'. He seems to know his networking ;)

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