Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

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  • kiddznet
    Senior Member
    • Jul 2010
    • 176

    #41
    Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

    Looked under there they appear ok touched them with multi meter on diode mode and got a drain (Admittedly dont know what i is doing but they reacted)
    My boy tells me he was using the board when a sorta blue screen event happened and a bios message appeared before it stopped
    It probably said "Yer screwed"


    939 DualCore AMD Opteron, 1800 MHz (9 x 200)
    Abit AN8 / Fatal1ty AN8 SLI Series
    3072 MB (PC3200 DDR SDRAM)
    ATI Radeon HD 4300/4500 Series (1024 MB
    Lian LI Aluminium mesh case

    Comment

    • seanc
      Badcaps Legend
      • Nov 2008
      • 1319

      #42
      Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

      When you're testing the diodes, you should get a reading one way but not the other. If you get a shorted reading, that may well be what your problem is.

      I have an early Gigabyte 945 board that refuses to turn on, I thought the blown KZG cap was the cause but it's still the same. I need to investigate more, perhaps another cap is shorted or there's an issue with one of the mosfets.

      Comment

      • kiddznet
        Senior Member
        • Jul 2010
        • 176

        #43
        Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

        It was running but not posting before when I had 3 2200uf 10v caps in the 1500uf 16v position
        It was TRYING to post if I used a video card but no sign of life from the onboard
        Is it possible one of the new 1500uf caps is dud? (Samxon)


        939 DualCore AMD Opteron, 1800 MHz (9 x 200)
        Abit AN8 / Fatal1ty AN8 SLI Series
        3072 MB (PC3200 DDR SDRAM)
        ATI Radeon HD 4300/4500 Series (1024 MB
        Lian LI Aluminium mesh case

        Comment

        • seanc
          Badcaps Legend
          • Nov 2008
          • 1319

          #44
          Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

          How do you know the 16v caps didn't have 12v running through them?
          Put at least the correct voltage in and try again.

          You did use low ESR caps, yes?
          Where were they purchased from?

          Comment

          • kiddznet
            Senior Member
            • Jul 2010
            • 176

            #45
            Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

            How do you know the 16v caps didn't have 12v running through them?
            Put at least the correct voltage in and try again.
            Sorry you have lost me there. I put the 3 x 16v caps in where you described them


            939 DualCore AMD Opteron, 1800 MHz (9 x 200)
            Abit AN8 / Fatal1ty AN8 SLI Series
            3072 MB (PC3200 DDR SDRAM)
            ATI Radeon HD 4300/4500 Series (1024 MB
            Lian LI Aluminium mesh case

            Comment

            • seanc
              Badcaps Legend
              • Nov 2008
              • 1319

              #46
              Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

              Originally posted by kiddznet
              It was running but not posting before when I had 3 2200uf 10v caps in the 1500uf 16v position
              In that case, what did you mean when you wrote the above?

              Comment

              • lmcancu
                Senior Member
                • Oct 2009
                • 158

                #47
                Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                You put 1500 uF caps instead of 2200 uF?

                Comment

                • kiddznet
                  Senior Member
                  • Jul 2010
                  • 176

                  #48
                  Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                  I put in the proper 1500uf 16v caps in place of the 2200uf 10v caps that I had tried because I thought the cap values in that position were 6.3v and there were no 10mm 3300uf caps available in OZ
                  I guess something got fritzed?

                  Last edited by kiddznet; 09-30-2010, 01:13 PM.


                  939 DualCore AMD Opteron, 1800 MHz (9 x 200)
                  Abit AN8 / Fatal1ty AN8 SLI Series
                  3072 MB (PC3200 DDR SDRAM)
                  ATI Radeon HD 4300/4500 Series (1024 MB
                  Lian LI Aluminium mesh case

                  Comment

                  • kiddznet
                    Senior Member
                    • Jul 2010
                    • 176

                    #49
                    Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                    I know I can't understand it myself
                    I have just come into possession of another one of these boards
                    It runs, but wont post



                    939 DualCore AMD Opteron, 1800 MHz (9 x 200)
                    Abit AN8 / Fatal1ty AN8 SLI Series
                    3072 MB (PC3200 DDR SDRAM)
                    ATI Radeon HD 4300/4500 Series (1024 MB
                    Lian LI Aluminium mesh case

                    Comment

                    • seanc
                      Badcaps Legend
                      • Nov 2008
                      • 1319

                      #50
                      Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                      Does it have bad caps?
                      Are you sure your CPU works?

                      Comment

                      • kiddznet
                        Senior Member
                        • Jul 2010
                        • 176

                        #51
                        Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                        Yes i have a selection of P4' all good
                        The caps look fine no domes or squidgy stuff leaking out.
                        This is the third 661 series board I've come across does this
                        I also have a 667 dual bios board thats crapped out dong the same thing


                        939 DualCore AMD Opteron, 1800 MHz (9 x 200)
                        Abit AN8 / Fatal1ty AN8 SLI Series
                        3072 MB (PC3200 DDR SDRAM)
                        ATI Radeon HD 4300/4500 Series (1024 MB
                        Lian LI Aluminium mesh case

                        Comment

                        • seanc
                          Badcaps Legend
                          • Nov 2008
                          • 1319

                          #52
                          Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                          Can't say I've experienced these issues.
                          As you know, I have one of these boards like you, but has its 1000uf 6.3v Nichions failed.

                          I also have quite a few of these boards in LGA775 variants. Only thing that fails on these are the Chemicon KZG for those that have them. Others have Rubycon.
                          Last edited by seanc; 10-03-2010, 05:20 AM.

                          Comment

                          • kiddznet
                            Senior Member
                            • Jul 2010
                            • 176

                            #53
                            Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                            !000uf 6.3v I counted 14 of them. You replaced them all?


                            939 DualCore AMD Opteron, 1800 MHz (9 x 200)
                            Abit AN8 / Fatal1ty AN8 SLI Series
                            3072 MB (PC3200 DDR SDRAM)
                            ATI Radeon HD 4300/4500 Series (1024 MB
                            Lian LI Aluminium mesh case

                            Comment

                            • seanc
                              Badcaps Legend
                              • Nov 2008
                              • 1319

                              #54
                              Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                              No, I have no need for the board, so it's sitting doing nothing.
                              It does work, was giving interesting disk related errors - I suspect those caps are related.

                              Comment

                              • kiddznet
                                Senior Member
                                • Jul 2010
                                • 176

                                #55
                                Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                                8S661FXMP-RZ P4 spent a bit of time with it , I reckon it was booting with no video (keys and mouse lit and nice beep at start.
                                So I cleaned a sticky pad off the on board VGA terminal hooked it up and away it flew.It doesnt seem to want to run with a video card in the AGP ot PCI (tried several known good ones)


                                939 DualCore AMD Opteron, 1800 MHz (9 x 200)
                                Abit AN8 / Fatal1ty AN8 SLI Series
                                3072 MB (PC3200 DDR SDRAM)
                                ATI Radeon HD 4300/4500 Series (1024 MB
                                Lian LI Aluminium mesh case

                                Comment

                                • seanc
                                  Badcaps Legend
                                  • Nov 2008
                                  • 1319

                                  #56
                                  Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                                  Surely it was giving you a POST beep then... or did you not have a speaker hooked up?

                                  Glad to hear you got it running.

                                  Comment

                                  • kiddznet
                                    Senior Member
                                    • Jul 2010
                                    • 176

                                    #57
                                    Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                                    No sean did not have speaker hooked up until I suspected it was booting. Am learning, you can waste a lot of time omitting small things


                                    939 DualCore AMD Opteron, 1800 MHz (9 x 200)
                                    Abit AN8 / Fatal1ty AN8 SLI Series
                                    3072 MB (PC3200 DDR SDRAM)
                                    ATI Radeon HD 4300/4500 Series (1024 MB
                                    Lian LI Aluminium mesh case

                                    Comment

                                    • seanc
                                      Badcaps Legend
                                      • Nov 2008
                                      • 1319

                                      #58
                                      Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                                      One of the motherboards where Gigabyte decided onboard buzzers weren't necessary
                                      I scavenge speakers out of all old cases and keep a box of them for hooking up to mobos when testing.
                                      Last edited by seanc; 10-21-2010, 01:14 PM.

                                      Comment

                                      • kiddznet
                                        Senior Member
                                        • Jul 2010
                                        • 176

                                        #59
                                        Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                                        Just out of interest as an exercise would it work to solder in a buzzer where there is position for one on a board? I notice a few are sans buzzers.


                                        939 DualCore AMD Opteron, 1800 MHz (9 x 200)
                                        Abit AN8 / Fatal1ty AN8 SLI Series
                                        3072 MB (PC3200 DDR SDRAM)
                                        ATI Radeon HD 4300/4500 Series (1024 MB
                                        Lian LI Aluminium mesh case

                                        Comment

                                        • kiddznet
                                          Senior Member
                                          • Jul 2010
                                          • 176

                                          #60
                                          Re: Ethernet Controller 8S661FXM-RZ P4 and mssing cap values

                                          And as an aside why do you think the board wont run video in the AGP or PCI slots?


                                          939 DualCore AMD Opteron, 1800 MHz (9 x 200)
                                          Abit AN8 / Fatal1ty AN8 SLI Series
                                          3072 MB (PC3200 DDR SDRAM)
                                          ATI Radeon HD 4300/4500 Series (1024 MB
                                          Lian LI Aluminium mesh case

                                          Comment

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