IRQ Sharing with Firewire/USB controller/Video Card/Sound ..

Archived from groups: microsoft.public.windowsxp.help_and_support (More info?)

No, ACPI, and IRQ sharing are a normal part of XP. The game performance is more likely associated with a video card or driver
problem

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Mark L. Ferguson (NOT an MS-MVP)
FAQ for MS Antispyware version 1.0.509
http://www.geocities.com/marfer_mvp/FAQ_MSantispy.htm
marfers notes for windows xp http://www.geocities.com/marfer_mvp/chatNotes.htm
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"ofn01" <netusr@internet.not> wrote in message news:K8Gdnc69MIxhjrbfRVnysA@pipex.net...
>
> Does it matter if on Windows XP SP2 on an APIC system for your video card (9600XT in my case) to share an IRQ with the USB
> Universal Host controller and the IEEE 1394 Host controller?
>
> My 9600XT is on IRQ 16 and so are two USB Host controllers and an IEEE1394 controller.
>
> My Audigy is on IRQ 19 also shared with another USB Host controller.
>
> Could this cause any problems? I am noticing in Far Cry and Doom 3 (demo) that the system pauses/jerks (without loosing sound
> though - like its dropping frames), when new sounds start or doors open etc.
>
> System specs:
> Intel Pentium 4 3.0GHz (1MB cache, 800FSB) with HT (Prescott)
> MSI 865PE NEO-2 P MS-6728 Ver 2 (No D-bracket) 3.50 AMI BIOS
> Nanya 2 x 256MB dual channel DDR RAM (PC3200) 400MHz
> 256 Mb ABIT 9600XT (Catalyst 5.1)
> FSP Group FSP300-60PN 300W +3.3@28A, +5V@30A, +12V@18A, +5Vsb@2.0A, -5V@0.3A, -12V@0.8A
> Western Digital 160GB 7200rpm hard drive with 8MB buffer
> Creative Audigy 2 ZS with Creative Inspire P580 speakers (5.1 surround)
> Sony DVD-ROM drive (16x)
> Sony DW-D22A Dual-Layer IDE DVD+/-RW (black)
> Speedtouch router via onboard Realtek lan port
> Windows XP Pro SP2
> memtest86 1.27: 7.5 hour all tests no errors
> Motherboard Monitor Voltages: +12V@12.77, +5V@5.05, +3.3V@3.36
> 3DMark2001: 13200, 3DMark2003: 3800, 3DMark2005: 1600