B-4DuraLAN Fast Ethernet NICs User’s GuideConfiguring the BIOSYour system BIOS may determine available NIC resources andconfigure the Adaptec PCI NICs automatically. However,depending on your system, you may need to configure the PCIBIOS. To do this, enter your computer BIOS Setup and selectAdvanced Settings from the Main Menu. Make sure the followingsettings are made (your BIOS may not match the following optionsexactly):Two-and-four port NICs use a PCI-to-PCI bridge chip. If yoursystem’s BIOS does not support the PCI-to-PCI bridge chip theseNICs will not be configured properly. Contact your computermanufacturer to obtain a new BIOS version that supports the PCI-to-PCI bridge chip.Option SettingPCI Slot Enabled Enable all PCI slots in your system.Bus Mastering Enable PCI bus mastering for the slot(s) to be usedby the NICs.PCI INTA For the 6x011, assign an interrupt (10, 11, 12, etc.) toPCI Interrupt Vector A.PCI INTA-B For the 6x022, assign an interrupt (10,11, 12, etc.) toPCI Interrupt Vector A or B.PCI INTA-D For the 6x044, assign an interrupt (10,11, 12, etc.) toPCI Interrupt Vector A - D.PCI Bus Latency Set to a value between 40 and 80.
