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  1. #1
    Need to slow down Start up

    Member Since
    Oct 15, 2008
    Posts
    3
    Question Need to slow down Start up
    Hi, i'm new here. just wonder if anyone can help me.

    I run a 1.8 dual processor G5 powermac and have a PCI card that works perfectly in OSX10.3 but when I upgraded to 10.4 it suddenly stopped working.
    [TC powercore element DSP audio production card]
    I have tried lots of things (driver versions, re installs of osx etc etc) but to no avail.

    I searched the manufacturer forums and the best everyone has come up with is the card is a computer itself and if it takes too long to boot up, the system has already scanned the PCI slots and moved on before the card is ready.

    So what I want to do is stall the computer between when it initializes the PCI slots and when it checks them.

    I have done a few searches here and found some good info (What is Mac OS X?) and tried the cmd+opt+O+F when starting up but no good.
    It seems to be after the kernel loads that I need to pause things.
    (I'm guessing around when the i/o toolkit loads)

    I'm sure its possible and I found mention of cool developer/hacking tools that probably could help but I wouldn't have the foggiest idea how to use them and I don't want to hurt anything.

    downloaded chud tools hoping they'd help but again couldn't really work them out without help.

    Can anyone help?
    Thanks

  2. #2
    Need to slow down Start up
    cradom's Avatar
    Member Since
    Feb 14, 2004
    Location
    Nederland, Texas
    Posts
    4,074
    Specs:
    13in macbook - 10.10.4
    Not an expert but the only thing I can think of is putting some kind of timer loop in the startup script (think it's /etc/rc). Maybe a for loop to kill some time until the next instruction.
    Don't know of any app/util which would do this.
    Craig Domingue
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    (='.'=) This is Bunny. Copy and paste Bunny into your
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  3. #3
    Need to slow down Start up

    Member Since
    Oct 15, 2008
    Posts
    3
    Thanks
    Thank you very much for the reply

    I had a quick look at the etc/rc file using a terminal editor.

    I'm not sure which parts point to pci slots - I could see no mention of the programs I read about in the web site above (i/o).
    (Is rc the script that controls the initialization of hardware?)
    Also not sure what the script/command is to create a short loop/ pause.

  4. #4
    Need to slow down Start up
    cradom's Avatar
    Member Since
    Feb 14, 2004
    Location
    Nederland, Texas
    Posts
    4,074
    Specs:
    13in macbook - 10.10.4
    Ok, looking at rc again (it's been a while), that's not the place for hardware inits. Unless someone here wants to respond to this (like I said, I'm no expert) I would suggest trying at The macosxhints Forums - For discussing everything OS X... and leaving a post. It should be answered by a user named Hayne. He IS an expert, as are several others there.

    As far as loops in a bash script, try here: LinuxCommand.org: Learn the Linux command line. Write shell scripts.
    Craig Domingue
    (\__/)
    (='.'=) This is Bunny. Copy and paste Bunny into your
    (")_(") signature to help him gain world domination

  5. #5
    Need to slow down Start up

    Member Since
    Oct 15, 2008
    Posts
    3
    Will do that.
    Thank you very much for the help!!

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