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  • M1 ATX problems

    Hi! I'm writing regarding some problems I have with my new M1 ATX
    DC-DC power supply. My HD does not power up properly, it does not start
    spinning. I have measured the 12V rail to the HD and it measures 11.1V when my VIA-bord is turned on and 4,4V when when the computer is turned of, which I find a bit strange. I have 13,9V at the battery when the car is running so it is not a problem at that end. Also the computer and HD works fine with a ordinary power supply. I only have the HD and motherboard hooked up to the PSU. Everything is OK with the 5V rail. I have mesured all the voltages both loaded and unloaded and they are the same.

    Do you have any idea on what the problem can be??

    Best regards

    /Tomas Berglund

  • #2
    post your configuration, maybe M1 cannot handle it properly
    Peugeot 206 1.4 HDi

    Intel Mini-ITX Mainboard
    Celeron 1.2ghz
    256mb DDR-2 533
    80gig 3.5" SATA HDD
    Sb Live 5.1 w/ KXProject Drivers
    M2-ATX
    8" Lilliput TS LCD

    100% installed and working :D

    Comment


    • #3
      I have the following hooked up while testing:

      VIA M1000
      256 MB
      Seagate 3,5" 160 GB HD

      As I mentioned earlier I have tested both with and without the HD.

      /Tomas

      Comment


      • #4
        My gues is that your Inoput voltage is to low, it needs to be more then 12V.

        Try to test it with the motor running.


        Cheers,

        Remco

        Comment


        • #5
          As stated in the first post I have at least 13,9V when the car is running.

          /Tomas

          Comment


          • #6
            Unless that hard drive is taking alot of amps on the 12v rail then you may have a bad psu. I'm a little suprised that your 12v rail is at 11.1v though. Normaly they are within 12v-11.5 (the lowest I'v ever seen on any psu). This leads me to think that it may be a bad psu.

            Comment


            • #7
              I agree, if your voltage reading is correct then 11.1v is too low. A 3.5" HDD draws more power than a 2.5" laptop HDD, but the M1-ATX should be able to cope with it. Sorry to say it, but I think you have a duff PSU.
              FociMan

              Ford Focus Collection
              EPIA M10K / 512Kb / Creative Audigy NX USB
              8" touchscreen
              D-Link USB Radio
              USB GPS Mouse
              Bluetooth GPRS Web Connection
              Centrafuse Beta2 / MapMonkey

              Comment


              • #8
                re

                Would have to agree with these guys we use the same power supplys and always see 12v even when the battery voltage is at 12v.

                If you want to quickly get around the problem hook up a 2.5" drive the use an unregulated 5v line for power.
                Spent all my money on carputers now I have to work a real job.
                http://www.858graphics.com

                Comment


                • #9
                  ...
                  Truck:
                  '99 F250 XLT Superduty 4x4
                  -Supercab shortbox
                  -V10 w/K&N cold air intake
                  -Cowl induction hood
                  -Flowmaster 2.5's

                  Computer:
                  -M10000 w/M1-ATX
                  -Custom lexan case
                  -512mb, 20gb, Lilliput TS, mini-keybrd, GPS, XM
                  -Slotload CDRW-DVDR
                  -XP, FP

                  Comment


                  • #10
                    OK! I have allready ty tried to get in contact with them and no luck!

                    Today I messured how many amps the computer wants when I turn it on, around 2,1 A @14,3V. What do you guys think about this??

                    /Tomas

                    Comment


                    • #11
                      I had the same problem with my m1-atx, unfortunatly I'm not sure what fixed mine. All I did was unplug the 20 pin connector and then reconnect it.

                      Try disconnecting and reconnecting everything on the m1-atx.


                      Mini-box support was good to me. After I fried my m1 they replaced it free of charge. Just make sure you e-mail them at [email protected]. Do not use [email protected] as it does not get to them.
                      Mobo= Epia V
                      Ram= 640mb
                      Ps= m1-atx
                      Screen= Lilly 7" ts
                      Hd= 40gig
                      case= 1/10 scale model of my car (04 Saturn Ion QC)
                      soundcard= soundblaster mp3+
                      GPS= Holux gm-210

                      Comment


                      • #12
                        Originally posted by blasterguy128

                        Try disconnecting and reconnecting everything on the m1-atx.

                        LOL!!! Like I haven't done that like a hundred times!

                        Sorry for laughing but the PSU has been in and out the car for checking solderings, masurment, visual checking and so on.

                        But thanks for the hint with the e-mail adresss !!!

                        /Tomas

                        Comment


                        • #13
                          Hi

                          It seems that a 7200rpm 3.5" IDE Hard Drive can draw 2.2A (http://www.ohmygodmyarmfelloff.com/MP3Car/PSUpower.asp) which is over the maximum of the M1 ATX 12V output rail (2A).

                          Regards

                          hsmpt

                          Comment


                          • #14
                            I'll disagree....

                            I'm running a full size hard drive and have no issues....once they replaced my first m1 after I fried it connecting the amp turn on lead wrong....or should I say per their instructions?! hehe
                            Jan Bennett
                            FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

                            Please post on the forums! Chances are, someone else has or will have the same questions as you!

                            Comment


                            • #15
                              well if you try to power up a lilliput and a full size hdd or dvd, M1 won't be enough
                              Peugeot 206 1.4 HDi

                              Intel Mini-ITX Mainboard
                              Celeron 1.2ghz
                              256mb DDR-2 533
                              80gig 3.5" SATA HDD
                              Sb Live 5.1 w/ KXProject Drivers
                              M2-ATX
                              8" Lilliput TS LCD

                              100% installed and working :D

                              Comment

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