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OS X - Operating System General OS operation information and support

OS 10.4 - Need to slow down Start up


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babel2

 
Member Since: Oct 15, 2008
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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
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cradom

 
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Mac Specs: 21in iMac core2 Duo- 13in macbook - 10.9 on both

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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 - resident redneck.
“Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin
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babel2

 
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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.
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cradom

 
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Member Since: Feb 14, 2004
Location: Nederland, Texas
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Mac Specs: 21in iMac core2 Duo- 13in macbook - 10.9 on both

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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 - resident redneck.
“Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin
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babel2

 
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Will do that.
Thank you very much for the help!!
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