. Windows 95 1. run "setup" to install VIA PCI IRQ Routing Miniport Driver. . Windows 98 Before install Win98. 1. Enable "OnChip USB" in BIOS Chipset Features setup menu. 2. Enable "Assign IRQ for USB" in PNP/PCP Configuration Setup menu. After Installing Win98 1. run "setup" to install VIA PCI IRQ Routing Miniport Driver. History: V1.3A: to pass Norton Win doctor's test. V1.3: fix VT596 routing error in Win95