It doesn't work for my - I've added above line to the /etc/modprobe.d/alsa-base and upgrade kernel - nothing help. Any idea? root@antichrist:~# lspci -v 00:00.0 Host bridge: ATI Technologies Inc Unknown device 7910 Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64 00:01.0 PCI bridge: ATI Technologies Inc Unknown device 7912 (prog-if 00 [Normal decode]) Flags: bus master, 66MHz, medium devsel, latency 64 Bus: primary=00, secondary=01, subordinate=01, sec-latency=64 I/O behind bridge: 0000e000-0000efff Memory behind bridge: fe900000-feafffff Prefetchable memory behind bridge: 00000000e0000000-00000000efffffff Capabilities: [44] HyperTransport: MSI Mapping Capabilities: [b0] Subsystem: Dell Unknown device 0206 00:05.0 PCI bridge: ATI Technologies Inc Unknown device 7915 (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=0b, subordinate=0b, sec-latency=0 Memory behind bridge: fe800000-fe8fffff Capabilities: [50] Power Management version 3 Capabilities: [58] Express Root Port (Slot+) IRQ 0 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [b0] Subsystem: Dell Unknown device 0206 Capabilities: [b8] HyperTransport: MSI Mapping 00:06.0 PCI bridge: ATI Technologies Inc Unknown device 7916 (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=09, subordinate=09, sec-latency=0 Memory behind bridge: fe700000-fe7fffff Capabilities: [50] Power Management version 3 Capabilities: [58] Express Root Port (Slot+) IRQ 0 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [b0] Subsystem: Dell Unknown device 0206 Capabilities: [b8] HyperTransport: MSI Mapping 00:12.0 SATA controller: ATI Technologies Inc SB600 Non-Raid-5 SATA (prog-if 01 [AHCI 1.0]) Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 20 I/O ports at beb0 [size=8] I/O ports at beb8 [size=4] I/O ports at bec0 [size=8] I/O ports at bec8 [size=4] I/O ports at bee0 [size=16] Memory at 8c000000 (32-bit, non-prefetchable) [size=1K] Capabilities: [60] Power Management version 2 00:13.0 USB Controller: ATI Technologies Inc SB600 USB (OHCI0) (prog-if 10 [OHCI]) Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17 Memory at ffb00000 (32-bit, non-prefetchable) [size=4K] 00:13.1 USB Controller: ATI Technologies Inc SB600 USB (OHCI1) (prog-if 10 [OHCI]) Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18 Memory at ffb01000 (32-bit, non-prefetchable) [size=4K] 00:13.2 USB Controller: ATI Technologies Inc SB600 USB (OHCI2) (prog-if 10 [OHCI]) Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19 Memory at ffb02000 (32-bit, non-prefetchable) [size=4K] 00:13.3 USB Controller: ATI Technologies Inc SB600 USB (OHCI3) (prog-if 10 [OHCI]) Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18 Memory at ffb03000 (32-bit, non-prefetchable) [size=4K] 00:13.4 USB Controller: ATI Technologies Inc SB600 USB (OHCI4) (prog-if 10 [OHCI]) Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19 Memory at ffb04000 (32-bit, non-prefetchable) [size=4K] 00:13.5 USB Controller: ATI Technologies Inc SB600 USB Controller (EHCI) (prog-if 20 [EHCI]) Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 21 Memory at ffa80000 (32-bit, non-prefetchable) [size=256] Capabilities: [c0] Power Management version 2 Capabilities: [e4] Debug port 00:14.0 SMBus: ATI Technologies Inc SB600 SMBus (rev 14) Subsystem: Dell Unknown device 0206 Flags: 66MHz, medium devsel I/O ports at 10c0 [size=16] Capabilities: [b0] HyperTransport: MSI Mapping 00:14.1 IDE interface: ATI Technologies Inc SB600 IDE (prog-if 8a [Master SecP PriP]) Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17 I/O ports at 01f0 [size=8] I/O ports at 03f4 [size=1] I/O ports at 0170 [size=8] I/O ports at 0374 [size=1] I/O ports at bfa0 [size=16] 00:14.2 Audio device: ATI Technologies Inc SB600 Azalia Subsystem: Dell Unknown device 0206 Flags: slow devsel, IRQ 17 Memory at febfc000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 00:14.3 ISA bridge: ATI Technologies Inc SB600 PCI to LPC Bridge Subsystem: Dell Unknown device 0206 Flags: bus master, 66MHz, medium devsel, latency 0 00:14.4 PCI bridge: ATI Technologies Inc SB600 PCI to PCI Bridge (prog-if 01 [Subtractive decode]) Flags: bus master, 66MHz, medium devsel, latency 64 Bus: primary=00, secondary=03, subordinate=07, sec-latency=64 I/O behind bridge: 00002000-00002fff Memory behind bridge: fe600000-fe6fffff Prefetchable memory behind bridge: 88000000-8bffffff 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration Flags: fast devsel Capabilities: [80] HyperTransport: Host or Secondary Interface 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map Flags: fast devsel 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller Flags: fast devsel 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control Flags: fast devsel Capabilities: [f0] #0f [0010] 01:05.0 VGA compatible controller: ATI Technologies Inc Unknown device 791f (prog-if 00 [VGA]) Subsystem: Dell Unknown device 0206 Flags: bus master, fast devsel, latency 64, IRQ 22 Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at fe9f0000 (64-bit, non-prefetchable) [size=64K] I/O ports at ee00 [size=256] Memory at fea00000 (32-bit, non-prefetchable) [size=1M] Capabilities: [50] Power Management version 2 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- 03:01.0 CardBus bridge: O2 Micro, Inc. Cardbus bridge (rev 21) Subsystem: Dell Unknown device 0206 Flags: bus master, stepping, slow devsel, latency 168, IRQ 16 Memory at fe600000 (32-bit, non-prefetchable) [size=4K] Bus: primary=03, secondary=04, subordinate=07, sec-latency=176 Memory window 0: 88000000-8bfff000 (prefetchable) Memory window 1: 90000000-93fff000 I/O window 0: 00002000-000020ff I/O window 1: 00002400-000024ff 16-bit legacy interface ports at 0001 03:01.4 FireWire (IEEE 1394): O2 Micro, Inc. Firewire (IEEE 1394) (rev 02) (prog-if 10 [OHCI]) Subsystem: O2 Micro, Inc. Firewire (IEEE 1394) Flags: bus master, medium devsel, latency 64, IRQ 16 Memory at fe6ff000 (32-bit, non-prefetchable) [size=4K] Memory at fe6fe800 (32-bit, non-prefetchable) [size=2K] Capabilities: [60] Power Management version 2 09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5755M Gigabit Ethernet PCI Express (rev 02) Subsystem: Dell Unknown device 0206 Flags: bus master, fast devsel, latency 0, IRQ 19 Memory at fe7f0000 (64-bit, non-prefetchable) [size=64K] Capabilities: [48] Power Management version 3 Capabilities: [50] Vital Product Data Capabilities: [58] Vendor Specific Information Capabilities: [e8] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [d0] Express Endpoint IRQ 0 0b:00.0 Network controller: Broadcom Corporation BCM4310 UART (rev 01) Subsystem: Dell Unknown device 0007 Flags: bus master, fast devsel, latency 0, IRQ 18 Memory at fe8fc000 (32-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 2 Capabilities: [58] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [d0] Express Legacy Endpoint IRQ 0 root@antichrist:~#