Hi, here is the IRQ details from the Win2k install. I believe this board supports the extended IRQ feature hence the old limit is not applicable any more.

IRQ Number Device
9 Microsoft ACPI-Compliant System
16 NVIDIA RIVA TNT2 Model 64/Model 64 Pro
16 NEC PCI to USB Enhanced Host Controller B1
17 Creative PC-DVD Encore Dxr3
18 Creative Audigy Audio Processor (WDM)
18 NEC PCI to USB Open Host Controller
19 OHCI Compliant IEEE 1394 Host Controller
19 Conexant SoftK56 Data,Fax,Voice,SpeakerPhone PCI Modem #2
19 NEC PCI to USB Open Host Controller
8 System CMOS/real time clock
13 Numeric data processor
1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
14 Primary IDE Channel
15 Secondary IDE Channel
21 VIA USB Universal Host Controller
21 VIA USB Universal Host Controller
6 Standard floppy disk controller
4 Communications Port (COM1)
3 Communications Port (COM2)

Regards

Rayaz