Page 1 of 2 12 LastLast
Results 1 to 10 of 19

Thread: Will this work - Laptop install

  1. #1
    Newbie
    Join Date
    Jan 2008
    Posts
    13

    Will this work - Laptop install

    Hi,
    Very new to this forum...I have been reading and searching, but I cannot find this answer explicitly

    I am in the midst of installing my very 1st car PC.

    Am using a laptop IBM X31 with Port Rep, remote Mod - plan to run this off an auto/air adapter - power consumption is 16v 4.5AMP, air adapter is 70W.

    I purchased a 7" touch screen off ebay - rated power is DC 11-13V, power consmption <9w. The unit has an inbuilt power regulator.

    My question is whether this is the right approach for hard wiring the power into the car:

    Cheers.

  2. #2
    Maximum Bitrate
    Join Date
    Jul 2006
    Posts
    725
    yes it would be fine as long as ur power supply can supply the proper amount of current. but you may want to invest in a power supply to provide all your components with clean regulated power so you dont blow them from cranking and what not

  3. #3
    Fusion Brain Creator 2k1Toaster's Avatar
    Join Date
    Mar 2006
    Location
    Colorado, but Canadian!
    Posts
    10,049
    Also I suggest that you do not use the cigarette lighter to wire that. I would run a seperate wire from the battery.

    Also if you are interested in automatic startup and shutdown integrating with the car going on and off, I suggest a DC-DC laptop power supply such as one from Carnetix (available in the mp3car store as well).
    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

  4. #4
    Newbie
    Join Date
    Jan 2008
    Posts
    13
    So if I was to purchase the P1900 with the P5V, would the wiring diagram look something like this, or do I still need the power adapter for the laptop?

    I assume that this will mean I will need to fabricate the power wires from the P1900 to the laptop and screen, and from the P5V to the USB hub?

    Or are there other methods avaliable?

    I assume then if the P1900 is installed, I will have scope to install other car pc's in the future (i.e. Mac Mini's or P4 units) within power limitations?
    Attached Images Attached Images  

  5. #5
    Newbie
    Join Date
    Jan 2008
    Posts
    13
    Don't worry, i've found the answer out over at the Carnetix support site.

    For those 98 viewers who are interested, the P1900 can't power this notebook due to voltage output being excessive, however Carnetix have plans to introduce the P2140 with a mod that will cover the 16v requirements of most IBM notebooks.
    So it looks like I will need to save some $$ for the new P2140 & P5V when they come out to complete my project.

  6. #6
    Maximum Bitrate FusionFanatic's Avatar
    Join Date
    May 2007
    Location
    Boston
    Posts
    791
    you don't have to wait for anything to come out. your original idea was fine...

    power the laptop with an auto/air adapter. and power your monitor from the cig lighter socket (the built-in regulator is fine). I would run a new (fused) line to the battery to power the auto/air adapter. you can power the monitor from that too, but it only uses 9w so the cig lighter cicuit provides plenty of power for that.

    later on you can "upgrade" to that new carnetix model but it's not really necessary.

    good luck

  7. #7
    Maximum Bitrate
    Join Date
    Jul 2006
    Posts
    725
    Quote Originally Posted by colbyau View Post
    Don't worry, i've found the answer out over at the Carnetix support site.

    For those 98 viewers who are interested, the P1900 can't power this notebook due to voltage output being excessive, however Carnetix have plans to introduce the P2140 with a mod that will cover the 16v requirements of most IBM notebooks.
    So it looks like I will need to save some $$ for the new P2140 & P5V when they come out to complete my project.
    ive got a buncha extra voltage jumpers to change the primary out because i had to buy the whole pack. PM me if you'd like one.

  8. #8
    Newbie
    Join Date
    Jan 2008
    Posts
    13
    Computergeek - thanks for the idea on the fused link (using a 1AMP fuse holder I assume?), but I'm not sure how I would stop the auto/air adapter from drawing power when I have the car switched off.

    Any suggestions on how I would wire up something that would turn on when i turn the ignition on? I was thinking perhaps a relay of some sort that activates when the key is set to acc?

    hari-bhari - i'll give the regulators a miss, but thank you too, i am happy to wait for the P2140 with the autosensing module.

  9. #9
    Maximum Bitrate FusionFanatic's Avatar
    Join Date
    May 2007
    Location
    Boston
    Posts
    791
    switching it on/off with the ignition is easy. you have the right idea already. a relay switched off the ACC wire. you can use the ACC wire from the fuse box, or splice into it behind your head unit

    everything you already planned will work fine, my current system is setup almost exactly the same way. i have a Dell Inspiron 8000 (unmodded) plugged into a docking station (with the power button, remote switch) and a Lilliput EBY701. I use a cheap auto/air adapter ([email protected]) which is powered off my 4AWG amplifier power cable (with a relay hooked up to turn it on/off with the ignition). power for the monitor comes from the front cig lighter circuit (with another relay hooked up so it shuts off with the ignition). the auto/air adapter works good, and provides [surprisingly] stable voltage, but it got extremely hot in it's original plastic case (so hot it actually hurt to touch it until it cooled off), so i removed it from the plasstic case/shell and mounted it in an empty ATX PSU case and wired the 80mm fan to the 12v relay feed so it also turns on/off with the ignition.

    I didn't bother with a startup/shutdown controller because I don't want my carPC on all the time. I just wired a remote power button up front. I just switch it on when I need it (I kept a head unit for short tripd and general audio control, so I wouldn't need to rely on the carPC for all audio).

    good luck

  10. #10
    Newbie
    Join Date
    Jan 2008
    Posts
    13
    i can't for the life of me work out how to wire up the relay to power when the ACC is turned. Can someone please provide me with a diagram?

Page 1 of 2 12 LastLast

Similar Threads

  1. 2000 BMW 323i E46 Laptop install
    By Magician in forum Worklogs
    Replies: 5
    Last Post: 08-03-2006, 11:15 AM
  2. Would this work? Laptop to remain on 24/7
    By thwang99 in forum Laptops, Netbooks, Tablets, UMPCs, etc.
    Replies: 9
    Last Post: 02-16-2006, 06:59 PM
  3. xp install to laptop hdd problem
    By thecrow in forum Newbie
    Replies: 8
    Last Post: 06-15-2005, 04:37 PM
  4. Replies: 6
    Last Post: 06-14-2005, 05:43 AM
  5. Laptop Install Help!!!
    By Inspiron8500 in forum General Hardware Discussion
    Replies: 8
    Last Post: 07-02-2004, 11:21 AM

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
  •