From: "madodel" <ecs-t6x@2rosenthals.com>
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Date: Sun, 01 Jun 2008 19:18:39 -0400
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To: eCS ThinkPad T60/61 Mailing List <ecs-t6x@2rosenthals.com>
Subject: Re: [eCS T60/T61] Out of curiosity, what IRQs are sharing withyour
 sound chipset?
References: <list-1904743@2rosenthals.com>
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Jon Harrison wrote:
> On Sat, 31 May 2008 22:21:05 -0400, madodel wrote:
> 
>> On my T61 RMVIEW /IRQ shows:
>>
>>   IRQ Level = 17  PCI Pin = A     Flg = SHARED       Intel 3945 a/b/g
>>   IRQ Level = 17  PCI Pin = NONE  Flg = SHARED       HDA Intel
>>   IRQ Level = 17  PCI Pin =  B     Flg = SHARED       UHCI Compliant USB 
>> Host Controller
> 
> Exactly the same here.
> 
>> of the USB controllers.  Could this be a possible cause of the hangs I've 
>> been experiencing?  Since I turned off animation I have had fewer hangs. 
> 
> I've been wondering the same thing but I could not find a way to
> change irq's.  I suppose you could turn off usb in the bios and
> maybe the 3945 but for multi-booting that would be too much to give
> up in my opinion.

In \os2\acpi.cfg  there are lines to redirect IRQ use, but  I can't figure 
it out.  It reminds me of spciirq which I finally figured out how to change 
an IRQ assignment on my old Medion laptop.  The problem is it has a line to 
remap one IRQ to another, but not an IRQ for a single device to a new IRQ. 
  So if I change 17 to 5 then all three (HDS, WiFi and USB) will be 
changed.  There is an additional section for seting links that I am reading 
about now in ACPI-IRQ.doc to see if that will accomplish this.

Mark