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Thread: what should i upgrade my itps to?

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    what should i upgrade my itps to?

    --------------------------------------------------------------------------------

    I have a casetronics case, morex 80w power supply car kit, epia mii-10000, 515 mb ram, no cd, itps, 160 gb hd that i am having trouble with. I have seen the ITPS is not getting great reviews these day (like it did when i bought it). Im having power trouble currently so what is reccomened to upgrade to? one thing i did like about the itps is not being able to run computer while the car was not fully on.

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    You are in the same boat I was. I had an ITPS and it caused me endless headaches. Because I already had a DC-DC power supply, and I see that you already do too with the Casetronix, I bought the Carnetix 1260.

    I haven't had a single problem since. It also survives crank (bonus!).
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
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    Quote Originally Posted by Bugbyte
    You are in the same boat I was. I had an ITPS and it caused me endless headaches. Because I already had a DC-DC power supply, and I see that you already do too with the Casetronix, I bought the Carnetix 1260.

    I haven't had a single problem since. It also survives crank (bonus!).

    Will the Carnetix 1260 allow my computer to run while the motor is not running (ie, just like listening to the radio with motor turned off)? I noticed that there is also a 1280, is this for 80 watts ( i have the morex 80 watt car kit)? By buying this i eliminate the itps and still reuse my morex 80 watt correct?

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    Yes, it will power the computer while the car is off. When you remove the key, it will shut the computer down.

    You will be able to reuse your morex 80. Basically, the 1280 will replace your ITPS and gets hooked up very similarly. They have the instruction manual online if you want to look at it to see how it works.
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

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    I have done some further investingation with my multi-meter reader and have got the following findings:

    Engine running (computer turned on)…
    Battery terminal: 14.15 volts
    Before Itps: 14.15 volts
    After Itps: 12.01 volts

    Engine not running (computer turned on)…
    Battery terminal: 12.25 volts
    Before Itps: 11.5 volts
    After Itps” 10.5 volts
    Hard drive within computer begins beeping: 10.0 volts

    Engine not running (computer turned off)…
    Battery terminal: 12.25 volts
    Before Itps: 12.25 volts
    After Itps: 12.25 volts (did not gauge have to assume)


    These are my findings, any suggestion as to how i should go about fixing the problem so that i dont have to have the engine running in order to keep my computer on...Remember its my hard disk that's complaining by beeping.

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    Good investigation. As you see, the ITPS drops your voltage by about 1.5. This is the problem that will cause you endless headaches. It will cause your hard drive to freeze and shred your install, requiring a reformat and reloading of your operating system. (Well, at least that's what happened to me and I had similar readings as you).

    The easiest thing to do is to replace your ITPS with a higher qualilty regulator. I chose the Carnetix and it fixed the problem. There are other options such as Opus, or CarPC, etc.

    There is another way - you can hook a relay to your system that closes when you turn off the power, bypassing the ITPS. I've seen a thread about this awhile ago. You'd have to figure out how to trigger the shutdown sequence, though. Perhaps a DSSC...
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

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    Thank you for the response Bug. Id like to keep the 160gb drive but i believe this is the culprit that is demanding so much power. There may not be a way to keep the computer on while the vehicle is off so i guess i will just have to live with it. I will also look in to that Carnetix you suggested and see how it looks. Thanks again.

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    Lappie HDD might help u out a lot
    Still Planning and Scavenging Parts ------Software-----and anything else i can lay my hands on!!! :)

    Acquired a Toshiba Satelite 4000CDT
    HDD`s ****ed new one on way! 30gb Toshiba.

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    Quote Originally Posted by blackbravo
    Lappie HDD might help u out a lot
    Yowza! I forgot that I switched to a laptop hard drive prior to switching power supplies. It was for the same reason you are having trouble. I thought that if I used a lower voltage HD it would solve my problems. It didn't and I got the Carnetix. On the other hand, I can't say it didn't help since I switched to the laptop before changing power supplies.
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

  10. #10
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    Quote Originally Posted by Bugbyte
    Good investigation. As you see, the ITPS drops your voltage by about 1.5. This is the problem that will cause you endless headaches. It will cause your hard drive to freeze and shred your install, requiring a reformat and reloading of your operating system. (Well, at least that's what happened to me and I had similar readings as you).
    back when I had my ITPS (1+ year ago) I had the SAME problems....I couldn't understand it, but then again, back then I didn't know hardly anything about computers, etc (like I know that much more now...lol)

    on the laptop hd, I don't think it's that big of a deal?

    I'm running a full size 200gig on the M1 (90watts) without any problems....but then again, I don't have a bunch of other stuff on the MOBO either....

    good luck with it argetim!
    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!

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