The Power Cable Hack

Discussion in 'HP Slate' started by TheWerewolf, Jan 29, 2011.

  1. blkrx7

    blkrx7 Pen Pal - Newbie

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    Off topic, but I felt it belonged in this thread as it was my inspiration and this is probably the thread anyone else in my position would land in.

    Two weeks ago I tried unsucessfully to wire in an old laptop PS to the dock, freeing up the included power supply cable so I could charge the unit at home and the office.

    Initially it didn't work (dock lit up, but refused to charge), but it hadn't occured to me that the cable would have three seperate V+ supply lines. I'd expected they were using the three pins in the dock connector to simply carry the current.

    Grounds are all tied together inside the dock as well for those who wonder.

    After some tentitive testing and a leap of faith, I wired all three pins on the board in the dock to an old IBM supply (17.5v) which lit up the dock.

    Unfortunatly, the slate would still refuse to charge. I then swapped in an old 19v supply from another manufacturer (eurocom for those who might remeber), and the slate charges fine. LED on front goes orange during charging, and white when complete. It's a monster supply from days of yore' and seems very stable.

    No guarantee this isn't going explode in the future, but for those like me who've been on back order for a replacement brick for 2.5 months now (next week my arse), it's an intrim solution. I think I might order another dock instead.

    Thanks Werewolf!
     
  2. DrJosephKim

    DrJosephKim Mobile Health Specialist

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    I modified my power adapter so that I could use the Tekkeon myPower ALL external battery pack. Here's the tips that I used:

    DC JACK 2.5/5.5MM
    DC PLUG 2.5/5.5mm

    By the way, 2.5/5.5mm is the same size as the tips found on some of the older HP/Compaq and Lenovo power adapters.

    So, far, no problems using universal power supplies from iGo, Kensington, and Targus. Plus, old HP and Lenovo power supplies that use a 2.5/5.5 mm tip work fine.
     
  3. cmergel

    cmergel DBA by trade.

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    Took the plunge and finally hacked my extra power supply and now it is currently connected to my docking station/cradle charging my Slate. Awesome!

    Now I am planning to connect the male adpater to my hacked power supply to bring it back from the dead.

    Using the XPAL XP18000

    Also using it for my TC1100 and my Droid2 phone. Multi purpose charging/powering device. Worth its weight in gold.
     
  4. DrJosephKim

    DrJosephKim Mobile Health Specialist

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    I just purchased 10 of these 5.5 x 2.5mm jack/plug tips. I'm willing to sell one jack and one plug for $4 total (shipping included).

    If you're interested, send me a PM or you can see my email address here.
     
    Last edited by a moderator: May 18, 2015
  5. cmergel

    cmergel DBA by trade.

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    Thanks for the offer. Too late though, took the plunge last week. Should have them on Monday. I appreciate the offer.

    Your offer was a much better price as well.
     
    Last edited by a moderator: May 18, 2015
  6. therussianbear

    therussianbear Pen Pal - Newbie

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    The hack is DONE! It was my first experience with soldering. Much, much thanks to TheWerewolf...It was not easy in Russia with all these bears around -but finis coronet opus!

    His instructions are good! Now the blue cable XPAL XP18000 is connected to the hacked cable! All works excellent. The main Slate disappointment- power system- is in the past.
     
  7. TheWerewolf

    TheWerewolf Care for a bite?

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    Пожалуйста!
     
  8. 2jz gze

    2jz gze Pen Pal - Newbie

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    Can you update the pictures please? They seem to be not showing up on the first post.
     
  9. revmike

    revmike Scribbler - Standard Member

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    Now this a hack job.:D
     
  10. Boyd

    Boyd Pen Pal - Newbie

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    Is there any word on when the "real" HP adaptor cable (discussed elsewhere) will be available, how much it will cost and where it can be ordered from?
     
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