ISA to PCI Routing disabled by default?

[Guest CrankyCheryl]

I recently upgraded to Windows XP and since then have been troubleshooting

through many possible solutions to my sound problem. After upgrading my sound

stopped working properly, if I turn on my speakers I get a scratchy/static

sound from them. I found an article\forum post (which unfortunately I can no

longer find) that said Windows XP does not support ISA cards, and disables

ISA to PCI routing by default. My Dell OptiPlex GX1 has an integrated Crystal

CS4236b Audio System and from what I understand it is 16-bit ISA. There was a

registry edit on the post that I tried, but it did nothing. I copied the

instructions I found, this is what they said to do:

 

With 2000 or XP with service packs ISA IRQs are not enabled and ISA cards

are not supported.

Crystal Audio is an ISA card.

To resolve this behavior, enable the ISA-to-PCI routing feature to allow

these ISA Cards to function in the computers:

 

1. Start Registry Editor (Regedit.exe).

2. Locate and click to select the following key in the registry:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\PCMCIA\Parameters

3. On the Edit menu, click New, click DWORD Value, type

DisableIsaToPciRouting in the NewValue box, and then press ENTER.

4. Click to select DisableIsaToPciRouting, click Edit, and then click Modify.

5. In the Value data box, type 0, and then click OK. Thats a ZERO not an Oh

6. Quit Registry Editor.

This procedure enables PCI routing for 16-bit PC Cards aka ISA cards.

 

I would love to have my sound back, if anyone knows how to REALLY fix this

problem, it would be very much appreciated.

--

Please help...technologically impaired! LOL