Communication And Networking Riser (Cnr) Slot - Asus CUSL2-M User Manual

3. HARDWARE SETUP
Interrupt Request Table for this Motherboard
Interrupt requests are shared as shown by the following table:
PCI slot 1
PCI slot 2
PCI slot 3
Onboard VGA
Onboard USB controller HC0
Onboard USB controller HC1
AGP Pro
CNR LAN
CNR Audio/Modem
Onboard LAN
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 a specially designed network, audio, or modem riser card.
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.
CUSL2-M ®
CUSL2-M Communication & Networking Riser Connectors
CNR Restrictions:
1. If an audio CNR card is used, it must be primary.
2. If the onboard audio CODEC is enabled, the modem CNR card must be
secondary.
28
A B C
— — —
— — —
— — —
shared — —
— — — not shared —
— — —
shared — —
— — —
— not shared —
— — not shared —
ASUS CUSL2-M User's Manual
D E F G
— — shared —
— — — shared
— — — —
— — — —
— —
— — — —
— — — —
— not shared — —
— — — —
— — —
H
—
—
shared
—
—
shared
—
—
—
—