No onboard sound with SCSI Drive???

I cannot get any sound from my system.  the only hardware change is that i'm now using a Maxtor Atlas 15k drive as my primary drive.  It's connected via an LSI 21320 Ultra320 SCSI PCI card.

I did a fresh install of WinXP, installed the latest drivers for my Asus a7v600 board, double checked that onboard sound is enable in BIOS but still no sound...

When i run the SoundMAX Digital Integrated Audio app, i get the following error:
"Audio is disabled or DirectSound is unavailable."

In my Control Panel/Sound and Audio Devices panel, it simply says "No Audio Device"

I uninstalled the drivers and rebooted and windows immediately says New Hardware Found.  "Multimedia Audio Controller". It picks up my audio hardware no problem.  I've done this many times now (always removing drivers before installing any new ones).  I've let windows decide which drivers to install, i've used the ones on my motherboard cd and i've used the updated ones from the ASUS site.  they all install fine and tell me that my hardware is working fine and is ready for use, but i still have the same damn error messages about no audio devices, even after a reboot after installing the drivers.  I've also changed the pci slot the the scsi card is in 3 times...still no luck.  I've got no other pci cards installed.  i've gone through task manager and shut down unneeded tasks before installing the drivers (antivirus, firewall, mbm5)

What am i missing here?  I've done clean installs on this system before, except it was on an IDE drive, and NEVER had this issue (or any other to be honest).

Can someone offer some ideas? have a similar problem?  i simply cannot express how frustrated i am right now....

Thanks in advance folks.

Running WinXP Pro with SP1 and all available updates.
Here's my hardware setup.

ASUS A7V600 400FSB, SATA, Gbit LAN 6.1, Audio, 8xUSB, With Bios Rev 1006, VIA_Hyperion 4IN1_V451v
AMD Athlon XP 2500+ Barton Core 333MHz 512KB L2 Cache (overclocked to 3200+)
Vantec Aeroflow Heatsink with Arctic Silver 5 (keeps me around 40 idle and 44 full load while overclocked)
2x Infineon 512MB PC3200 400MHz DDR CAS 2.5 Memory
Sapphire Radeon 9800PRO Atlantis
Maxtor Atlas 15k-36GB on LSI 21320 Ultra320 SCSI PCI card
2x Western Digital SATA 160GB 8MB Cache 7200RPM
LG CD/RW 52x32x52
Vantec Stealth 420W PSU
Who is Participating?
Computer101Connect With a Mentor Commented:
PAQed, with points refunded (500)

E-E Admin
What IRQ's are the onboard sound using and what are the SCSI card using?  Have you checked the device manager for conflicts?
May be an issue with the Motherboard. Hate to think we have to go back to Config.sys and Autoexec.bat but I've seen those accomplish the task.

You are not alone
CdnAtWorkAuthor Commented: humiliating as this is to admit, i figure i owe to you 2 for trying to help.

Turns out that as i was disabling unneeded services, i actually disabled Windows Audio....pays to spend less time chatting and more time focused on what your doing, eh? (yes, i feel like a putz and i gave myself a swift kick in the arse)

Thanks for trying to help folks!!
LOL - you should post a note in Community Support to refund your points.
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