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Posted by treythompson on February 23, 2007, 11:55 am
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> I just reinstalled WinXP Pro on myInspiron8500. I installed it with
> the laptop undocked and all is well. I even installed the Dell
> Notebook System Software. When Idockthe laptop, my CD/DVD drive
> (Matshita UJDA740) ceases to appear in My Computer, Device Manager,
> Explorer, etc. TheSecondaryIDEChannel also starts to show an IRQ
> conflict with COM1. Manually changing COM1's IRQ and/or disabling it
> don't have any effect. Dell says that thedock(PR01X) is defective.
> However, mydockworks on the laptops at work, and a known gooddock
> from work, doesn't work with my laptop. In reading the forums at
> support.dell.com, I see several others with this issue, but no
> resolution. I'm going to try to delete the upper and lower filters in
> the registry this afternoon when I get home. Does anyone have any
> other suggestions? Thanks in advance.
>
> Tim
This is just a WORK around.
Change the Driver for the COM port to be a Standard Printer. This
will free up any IRQs, and then the Secondary IDE Controller will
work. I know this is a Dell problem, and this is NOT a solution, it's
just a workaround if you don't use your COM port very often.
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