Sharing IRQ's - Can you look and let me know if ........

I remember awhile back, and dont remember clearly but it had something to do with sharing the video card IRQ.Here is my IRQ PrintoutI/O Port 0x0000A000-0x0000AFFF nForce4 PCI-Express Root PortI/O Port 0x0000A000-0x0000AFFF NVIDIA GeForce 7800 GTX I/O Port 0x00000000-0x00000CF7 PCI busI/O Port 0x00000000-0x00000CF7 Direct memory access controllerI/O Port 0x000003C0-0x000003DF nForce4 PCI-Express Root PortI/O Port 0x000003C0-0x000003DF NVIDIA GeForce 7800 GTX IRQ 20 Standard Enhanced PCI to USB Host ControllerIRQ 20 NVIDIA nForce4 Serial ATA ControllerIRQ 21 Realtek AC'97 AudioIRQ 21 NVIDIA nForce4 Serial ATA ControllerMemory Address 0xD3000000-0xD5FFFFFF nForce4 PCI-Express Root PortMemory Address 0xD3000000-0xD5FFFFFF NVIDIA GeForce 7800 GTX Memory Address 0xC0000000-0xCFFFFFFF nForce4 PCI-Express Root PortMemory Address 0xC0000000-0xCFFFFFFF NVIDIA GeForce 7800 GTX IRQ 19 RAID ControllerIRQ 19 NVIDIA GeForce 7800 GTX Memory Address 0xA0000-0xBFFFF PCI busMemory Address 0xA0000-0xBFFFF nForce4 PCI-Express Root PortMemory Address 0xA0000-0xBFFFF NVIDIA GeForce 7800 GTX I/O Port 0x000003B0-0x000003BB nForce4 PCI-Express Root PortI/O Port 0x000003B0-0x000003BB NVIDIA GeForce 7800 GTX Memory Address 0xB0000000-0xBFFFFFFF nForce4 PCI-Express Root PortMemory Address 0xB0000000-0xBFFFFFFF NVIDIA GeForce 7800 GTX