Page 1 of 4 1234 LastLast
Results 1 to 10 of 40

Thread: novice M2-ATX question

  1. #1
    Newbie
    Join Date
    Mar 2009
    Posts
    48

    novice M2-ATX question

    Hello folks,

    so come to find out i'm not near as bright as i thought, and not near as handy as i'd figured..

    I've got through and read and read and read and have learn a ton of info on here. if you dig enough you can find it, i think.....
    so here's my novice question.

    I've run a 12 gauge wire with an inline fuse to a rocker switch. from the rocker switch to J1 of the m2.
    I've ran the ground to J4 and found me a open fuse slot that gets 12v power only when i turn the ignition on this is ran to the J3
    I have an 8" lilliput that i spliced the car adapter plug to the 4pin P4 style connector

    and i have yet to run the j8/j9 to the motherboard in all honesty cause i have no idea where to run it, I have the VIA ARTiGO A1000 Barebone Pico-ITX Builder Kit. Went the cheap small route this time around just cause i wasn't sure if i could actually build one AND get it to run in my car. I'll search more on that later.

    The question is. .if my lilliput is plugged into the 4pin. shouldn't i at least be able to power on the ts? is there something else on this m2 that i don't know about?
    If anyone needs pics let me know.
    Thanks in advance.

    Enraiha

  2. #2
    Fusion Brain Creator 2k1Toaster's Avatar
    Join Date
    Mar 2006
    Location
    Colorado, but Canadian!
    Posts
    10,049
    Yes you should be able to if you fool it into thinking the PC is on.

    The M2 doesnt just give out power when the car is on, it tells the mobo that the car is on, you should be too. Then the mobo decides whether or not to turn on (via J8). This should be connected to your power button header btw. When the mobo turns on, it grounds pin 14 of the ATX connector (that big 20pin cable). This tells the M2 to start cranking and as long as pin 14 is grounded (to any black cable on there if your cable is standard, but double check first) then you will get all the correct voltages out. Once 14 is disconnected, those rails will disconnect. Also once the car is off, and the hardoff period is over on the M2, those rails will disconnect (like pulling the plug from the wall).
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  3. #3
    Newbie
    Join Date
    Mar 2009
    Posts
    48
    wow, awesome. thanks..i think i can make it happen. thanks sooo much!
    now i just gotta figure out where the power header button ....

  4. #4
    Newbie
    Join Date
    Mar 2009
    Posts
    48
    anyone know where i'm suppose to plug the j8/j9 on the pico itx mobo?Name:  pico_mobo.jpg
Views: 653
Size:  208.1 KB

  5. #5
    Variable Bitrate csfile's Avatar
    Join Date
    Feb 2009
    Posts
    274
    I pulled up that manual you're looking at and it refers to a case connector (Pin 6, PW_BN). It should be the header I boxed off in red.
    Attached Images Attached Images   

  6. #6
    Newbie
    Join Date
    Mar 2009
    Posts
    48
    thanks found that as well. i figured the six, for the pwr on and the 8 for the ground for the j8 right? that's what i managed to accomplish today but didn't seem to work. Will have to do a bit more research tonight while at work and won't be able to get back to it til next monday so i've got about 5 days before i tear my car apart again and see what i'm doing wrong. Thanks for the research.

  7. #7
    Newbie
    Join Date
    Mar 2009
    Posts
    48
    Okay, i think i'm to the point where i believe its totally hopeless.
    So i spent all of last night at work reading i'd say about 75% of any thread regarding the m2-atx. Not that really means anything, thought i had it figured too..lol. anyway so..i drew up a diagram..(hand drawn so i can't load it on to here)

    based on what i had earlier..with the following:
    j1 -> car battery
    j3 -> to a slot in the fuse box that only gets pwr with ignition on
    j4 -> is screwed into the vehicle frame

    j2(4 pin)-> is connected to my lilliput
    j7(20 pin) is connected to my mobo which is a 12 pin connector)
    j8 is spliced to my power header on my mobo: pin 6(red) pin 8(black) IAW the above pic of the CASE CONNECTOR: front panel
    on the atx cable to my mobo the 12 pin. i found the green wire that according to VIA manual for my mobo it is the "PWR_ON" this is the cable i grounded.

    The only other wire was pin 6 :PWR_GRN (black)

    with this current set up, with power applied i can check as far as the fuse and it reads 12volts, but the computer does not pwr up. I flip flopped the J8 (mine you i was scared to do this) and still have no response from the computer.

    Just to be safe, make sure the computer does and still will power up i connected it to the ac power supply and plugged the computer into the wall and powers up fine no issues.

    Anyone have any idea what i'm doing wrong?
    oh..one last thing, I unplugged the atx 20 pin from the PS, checked the voltage out of the pin out on the mobo and the only voltage i got from any of the pins is the +5 volt Standby.

    my 20-pin to 12-pin atx cable i did have to splice to extend the length about an extra 8 inches that shouldn't matter right? i ohm'd it out and pin to pin is correct.

    Any suggestions, recommendations would be highly appreciated. thanks in advance

    Enraiha

  8. #8
    Maximum Bitrate Injector's Avatar
    Join Date
    Mar 2005
    Location
    Rockledge, FL
    Posts
    525
    one thing you might want to keep in mind is what voltage/amperage the rocker switch you hooked up to the 12v line rated for, if it's lower than what the pc will draw you might want to use a relay to keep the switch from melting to a puddle, or just move the switch to the 12v signal wire.

  9. #9
    Newbie
    Join Date
    Mar 2009
    Posts
    48
    ohhhh..hmmm...will have to get back with you on that one in about 30 minutes..thanks

  10. #10
    Newbie
    Join Date
    Mar 2009
    Posts
    48
    kk checked the switch and its a 12v dc rocker switch. 20 amp

Page 1 of 4 1234 LastLast

Similar Threads

  1. Did I break my M2 ATX?
    By CelicaGTS in forum Power Supplies
    Replies: 8
    Last Post: 04-29-2007, 04:36 PM
  2. Wtb :: M2 Atx Dc/dc Psu !!!
    By CoupeE46 in forum Classified Archive
    Replies: 0
    Last Post: 01-28-2007, 03:06 PM
  3. M2 ATX - EN15000 - USB - Problems!
    By BulleDK in forum Power Supplies
    Replies: 16
    Last Post: 12-28-2006, 03:29 PM
  4. M2 ATX Manual
    By lanman1 in forum Power Supplies
    Replies: 2
    Last Post: 08-16-2006, 01:28 PM
  5. Powerin the LCD with the M2 atx
    By luckyno in forum LCD/Display
    Replies: 2
    Last Post: 01-20-2006, 01:14 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •