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Thread: what happened to mp3ondemand?

  1. #11
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    COOL...i'm goin gto buy one from you in a week. i was never worried about leaving the computer on while i was in a store or something because if you see me leave my car and the doors are unlocked or anything is on...i'm smoking something strong, and i don't smoke anything so that would never happen. but i have a standerd so i'm worried about stalling. it would suck is i'm going up a hill and i stall then i have to power down the computer to start the car, because while the car is starting everything turns off. have any of you guys stoped at a light with the car in gear and the clutch in, and for some odd a$$ reason you just take you foot off the clutch knowing that the car is in gear. that happens to me in the morning sometimes.
    i just thought i'd share that with the class.

  2. #12
    Maximum Bitrate gizmomkr's Avatar
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    Dave,

    you mention the ups software interfacing in your FAQ, and Your device looks great for people that want the features, and I think your charging a very reasonable price for it .... but I really dont want my pc turning on when I start my car.I *do* want it to shutdown though. You mention the signal coming from the "ups" to the pc to signal power loss, Well I played with mine for a while, the problem is I coldnt figure out what I had to do to get the software to think a ups was connected. The apc software kept saying " No ups found / not connected" so I gave up on that and bought a basic stamp to play with....

    My question is, what do I have to do to get the ups software to "think" there is a ups present? ( I am guesing I just have to tie some lines from the serial port to ground)
    Again, im not trying to cheat you out of your 25.00 for your power controler, but I dont want my pc starting up like that.....

    Thanks for the info.
    Gizmo-
    Techonlogy on Wheels
    http://www.hjnetworks.com/car

  3. #13
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    dos4who -

    It's just a setting in the BIOS. On my book PC (BKi810 model), the setting is under "Integrated Peripherals". I simply select "Password" under the setting "Power On Function". Then I enter the password twice to confirm and save & exit.

    Then when the PC is off, NOTHING will make it power up except the password, not even the power button on the front. Very handy for security purposes. Like I said, you could program it to a 4-digit PIN number like an ATM and it would boot when you type that code on the keypad.
    Jason Johnson
    Yorba Linda, California
    http://www.m2pc.com

    MPC Phase IV - *** PENDING ***

  4. #14
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    Giz,

    Before UPS's got 'smart', they would let the computer know if the power had failed or not by changing the voltage on pin 8 of a DB9 RS232 port. This is the CTS signal.

    The UPS software on the PC would monitor this port and if it had a negative voltage on it (-5V) that signaled that the AC power was good. If the AC went out, the UPS would drive this line positive, the software would see the line positive and go into shutdown mode.

    APC's BACKUPS model UPS did this. This is the UPS I manually chose to configure the APC software to get it to work.

    Good luck on your project.

  5. #15
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    <font face="Verdana, Arial" size="2">Originally posted by jjohnson:
    dos4who -

    It's just a setting in the BIOS. On my book PC (BKi810 model), the setting is under "Integrated Peripherals". I simply select "Password" under the setting "Power On Function". Then I enter the password twice to confirm and save & exit.

    Then when the PC is off, NOTHING will make it power up except the password, not even the power button on the front. Very handy for security purposes. Like I said, you could program it to a 4-digit PIN number like an ATM and it would boot when you type that code on the keypad.
    </font>
    SWEET! Thanks, JJ. I really like the security issues; keeps the grease monkeys and valets at bay. I suppose you could use anything that emulates a keypress (as long as it's probably inline with [ie:keyboard wedge device] the keyboard - I'm thinking mag-stripe reader (excellent for those of us with C-Cards or striped D-Licences, cue-cat, etc.

    Thanks again, JJ

    ~m


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    Sony Head Unit, Sony Unilink input selector, rear deck Kenwood 6x9's, stock door spkrs... All in my '96 Civic, of course :}
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  6. #16
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    Thumbs up

    thax for the replies guys.

    i got alot out of this post.

    still one question though, what happened to mp3ondemand?

  7. #17
    FLAC
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    Upper Marlboro, MD 20772
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    simple...they went out of bussiness cuz there were selling the damn psu too high. And like i said U DON'T need autoshut down thing. Just look at ur car owner's manual. Take a look at the electrical system. Tap into the key ignition system and use a relay........anyway someone can explain it to u better than me.

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    abcd-1
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    abcd-1
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  8. #18
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    cenwesi. that is all great for a very basic installation. But in my car when i turn my key from 'ON' to 'Acc' there is a breif power loss (as u go thru the 'Off' position) this means that i would have to wait xx seconds for my poota to reboot, just to continue listening to mp3's while my GF was in a shop or similar.

    Or if i pull up to go and pay a bill, get a drink etc when i come back to my car, i will have to wait while the damn thing reboots up, and is ready to play music. I think that just tapping into the acc system will work, but will be a pain.

    Just my views
    http://www.mp3vl.tk Plans and progress on my install - (Updated 28 June 02)
    Australian mp3car Portal
    mp3car related links Check them out / Add some
    mp3car FAQ - RTFF

    [########==]80% Assembling
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  9. #19
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    I am thinking of having a 3-way toggle switch with Off, On, and Ignition so if I want to have the computer powered from the Ignition switch I can or if I want to run it straight from the battery I can too. I am wondering if I can add a couple of capacitors just before the DC-DC PSU so I can quickly flip it between ON and Ignition? I am not sure yet..........
    1983 BMW 733i
    Cyrix 166 32MB with MPXPLAY And no display. Player sits on the back seat with a keypad in front. Someday I'll mount this thing for good...
    *****************************
    Gathering parts for carplayer v2.0!

  10. #20
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    Yeh but what if u left it on the batt position and left it over night? i want something that will shut down with out me having to remember any thing. I some times even forget to lock my car, and thats with a keyless entry/exit setup!!
    http://www.mp3vl.tk Plans and progress on my install - (Updated 28 June 02)
    Australian mp3car Portal
    mp3car related links Check them out / Add some
    mp3car FAQ - RTFF

    [########==]80% Assembling
    -=Current Progress: Working Sproggy supply, building box.=-

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