28 ASUS TUSL2-C User’s Manual
3. HARDWARE SETUP
Expansion Cards
3. H/W SETUP
Interrupt Request Table for this Motherboard
Interrupt requests are shared as shown by the following table:
ABCDEFGH
PCI slot 1 —————shared ——
PCI slot 2 ——————used —
PCI slot 3 ———————shared
PCI slot 4 ————shared ———
PCI slot 5 —————shared ——
PCI slot 6 ——shared —————
AGP used ———————
CNR LAN ————shared ———
CNR Audio/Modem — used ——————
PCI CMI8738Audio ——shared —————
Onboard USB HC0 ———used ————
Onboard USB HC1 ———————shared
IMPORTANT: If using PCI cards on shared slots, make sure that the drivers sup-
port “Share IRQ” or that the cards do not need IRQ assignments. Conflicts will arise
between the two PCI groups that will make the system unstable or cards inoperable.
3.7.3 Communication and Networking Riser (CNR) Slot
This connector supports specially designed network, audio, or modem riser cards.
Main processing is done through software and controlled by the motherboard’s sys-
tem chipset. This provides upgradeable network, audio, and/or modem solutions at
an incredibly low cost.
NOTE: CNRs are not included with this motherboard.
TUSL2-C
®
TUSL2-C Communication
& Networking Riser Connector
