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