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  1. #1


    Member Since
    Dec 20, 2007
    Location
    Shanghai
    Posts
    31
    Specs:
    macbook pro 2.33GHz 2GB 667 MHz DDR2 sdram, OSX 10.4.8
    Mac Pro Raid Card - Battery issues
    Got a mac pro raid card in my macpro and i have configured 2 x 1TB drives as Raid 1.
    I am concerned at the frequency at which the Raid utility calls my attention to a battery problem. Last week i waited 12 hours while the raid utility conditioned my battery. Today i received a red light warning message:

    "Battery failed (code 0x#0 = 18)"

    and then write cache was disabled due to insufficient charge.

    My Raid utility seems to disable write cache to insufficient charge all too regulrly. How often does this normally happen? How long should a Raid card battery last?

    The raid card is less than one year old and i am surrprised at how many times ive had reports of insufficient battery charge in the raid.

    I'd love to hear other peoples experiences ether with similar battery life or whether your battery is operating charged without these problems?

    Should i get the battery replaced?

    Cheers
    RodneyE

  2. #2


    Member Since
    Jul 23, 2009
    Posts
    2
    Replace it
    Hi Evon Sleep,

    I've just replaced my RAID battery under warranty (That's hard work!) and am expecting it to re-charge soon. Batteries should last several years so Error 18 seems to indicate a totally failed piece of kit. Telephone Apple and arrange a new one.

    If my new one doesn't re-charge then I see a new card coming on; also under warranty.

    Best of luck.

    Tim

  3. #3


    Member Since
    Dec 20, 2007
    Location
    Shanghai
    Posts
    31
    Specs:
    macbook pro 2.33GHz 2GB 667 MHz DDR2 sdram, OSX 10.4.8
    got it replaced. no hassle.
    I must say, have only had good experiences with applecare.
    RodneyE

  4. #4


    Member Since
    Dec 30, 2009
    Posts
    1
    I have had the same issue, it's driving me insane. My Mac Pro is almost two years old. I was glad to find this...Going to be contacting Apple tomorrow!

  5. #5


    Member Since
    Jul 23, 2009
    Posts
    2
    Happened again.

    Battery only 2.5 years old.

    Just replaced it.

    65GBP.

    It's an expensive to run a machine. I've also just had to replace the vid. as the Nvidia died so I put in an ATI.

  6. #6

    louishen's Avatar
    Member Since
    Oct 22, 2007
    Location
    London
    Posts
    8,968
    Specs:
    Mac Mini Core i7 2012 | White 2009 MacBook 2 Ghz | 733 Mhz G4 Quicksilver
    What happens when you ignore the problem?

    I've had that on my Xserve for years, when it was run by our IT department they said just to ignore it. I haven't done anything to fix it and don't seem to be having any problems.
    Member of the Month September 2008 & August 2012 | Found advice useful? use the rep system

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