求教，为什么我的LENOVO的 F40A笔记本声卡机载音箱没有声音而耳机有声音，音箱没有坏。

jason_ma

以下帖出我的笔记本电脑的 PCI信息，请各位高手帮忙拉，谢谢哦

00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS/940GML and 945GT Express Memory Controller Hub (rev 03)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, fast devsel, latency 0
        Capabilities: [e0] Vendor Specific Information

00:01.0 PCI bridge: Intel Corporation Mobile 945GM/PM/GMS/940GML and 945GT Express PCI Express Root Port (rev 03) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        Memory behind bridge: b1000000-b2ffffff
        Prefetchable memory behind bridge: 00000000c0000000-00000000cff00000
        Capabilities: [88] #0d [0000]
        Capabilities: [80] Power Management version 2
        Capabilities: [90] Message Signalled Interrupts: 64bit- Queue=0/0 Enable+
        Capabilities: [a0] Express Root Port (Slot+) IRQ 0
        Capabilities: [100] Virtual Channel
        Capabilities: [140] Unknown (5)

00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, fast devsel, latency 0, IRQ 50
        Memory at b0000000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 2
        Capabilities: [60] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
        Capabilities: [70] Express Unknown type IRQ 0
        Capabilities: [100] Virtual Channel
        Capabilities: [130] Unknown (5)

00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
        Capabilities: [40] Express Root Port (Slot+) IRQ 0
        Capabilities: [80] Message Signalled Interrupts: 64bit- Queue=0/0 Enable+
        Capabilities: [90] #0d [0000]
        Capabilities: [a0] Power Management version 2
        Capabilities: [100] Virtual Channel
        Capabilities: [180] Unknown (5)

00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
        Memory behind bridge: b3000000-b30fffff
        Capabilities: [40] Express Root Port (Slot+) IRQ 0
        Capabilities: [80] Message Signalled Interrupts: 64bit- Queue=0/0 Enable+
        Capabilities: [90] #0d [0000]
        Capabilities: [a0] Power Management version 2
        Capabilities: [100] Virtual Channel
        Capabilities: [180] Unknown (5)

00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #1 (rev 02) (prog-if 00 [UHCI])
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 0, IRQ 225
        I/O ports at 1800

00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #2 (rev 02) (prog-if 00 [UHCI])
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 0, IRQ 217
        I/O ports at 1820

00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #3 (rev 02) (prog-if 00 [UHCI])
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 0, IRQ 233
        I/O ports at 1840

00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #4 (rev 02) (prog-if 00 [UHCI])
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 0, IRQ 169
        I/O ports at 1860

00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02) (prog-if 20 [EHCI])
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 0, IRQ 225
        Memory at b0004000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Debug port

00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) (prog-if 01 [Subtractive decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=05, subordinate=09, sec-latency=32
        I/O behind bridge: 00002000-00002fff
        Memory behind bridge: b3100000-b31fffff
        Prefetchable memory behind bridge: 0000000050000000-0000000051f00000
        Capabilities: [50] #0d [0000]

00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 0
        Capabilities: [e0] Vendor Specific Information

00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) Serial ATA Storage Controller IDE (rev 02) (prog-if 80 [Master])
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 217
        I/O ports at <unassigned>
        I/O ports at <unassigned>
        I/O ports at <unassigned>
        I/O ports at <unassigned>
        I/O ports at 18b0
        Capabilities: [70] Power Management version 2

00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: medium devsel, IRQ 10
        I/O ports at 18c0

01:00.0 VGA compatible controller: nVidia Corporation Unknown device 01d7 (rev a1) (prog-if 00 [VGA])
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, fast devsel, latency 0, IRQ 7
        Memory at b2000000 (32-bit, non-prefetchable) [size=16M]
        Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Memory at b1000000 (64-bit, non-prefetchable) [size=16M]
        Capabilities: [60] Power Management version 2
        Capabilities: [68] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
        Capabilities: [78] Express Endpoint IRQ 0
        Capabilities: [100] Virtual Channel
        Capabilities: [128] Power Budgeting

03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)
        Subsystem: Intel Corporation Unknown device 1002
        Flags: bus master, fast devsel, latency 0, IRQ 177
        Memory at b3000000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [c8] Power Management version 2
        Capabilities: [d0] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
        Capabilities: [e0] Express Legacy Endpoint IRQ 0
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number 60-be-84-ff-ff-de-18-00

05:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 64, IRQ 58
        I/O ports at 2000 [size=256]
        Memory at b3100000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [50] Power Management version 2

05:04.0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller (rev 01)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 168, IRQ 169
        Memory at b3101000 (32-bit, non-prefetchable) [size=4K]
        Bus: primary=05, secondary=06, subordinate=09, sec-latency=176
        Memory window 0: 50000000-51fff000 (prefetchable)
        Memory window 1: 52000000-53fff000
        I/O window 0: 00002400-000024ff
        I/O window 1: 00002800-000028ff
        16-bit legacy interface ports at 0001

05:06.0 FireWire (IEEE 1394): Ricoh Co Ltd Unknown device 0832 (prog-if 10 [OHCI])
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 64, IRQ 50
        Memory at b3100800 (32-bit, non-prefetchable) [size=2K]
        Capabilities: [dc] Power Management version 2

05:06.1 Class 0805: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: bus master, medium devsel, latency 64, IRQ 225
        Memory at b3100400 (32-bit, non-prefetchable) [size=256]
        Capabilities: [80] Power Management version 2

05:06.2 System peripheral: Ricoh Co Ltd Unknown device 0843 (rev 01)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: medium devsel, IRQ 7
        Memory at b3102000 (32-bit, non-prefetchable) [disabled] [size=256]
        Capabilities: [80] Power Management version 2

05:06.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 0a)
        Subsystem: COMPAL Electronics Inc Unknown device 0012
        Flags: medium devsel, IRQ 7
        Memory at b3102400 (32-bit, non-prefetchable) [disabled] [size=256]
        Capabilities: [80] Power Management version 2