Taxa de transmissão baixa no Ubuntu 10.10

[daltoniko]

Olá,
Recentemente comprei um note Dell modelo Inspiron 15R e instalei o Ubuntu 10.10. Tenho tambem um desktop com o 10.04 rodando. Tentando passar arquivos do desktop pro note percebi que a taxa de transmissão ta muito baixa, por volta de 1,5 mB/seg. No começo achei que poderia ser um problema com a rede wireless, então liguei o note no rodeador com cabo (o desktop ja é ligado por cabo ao roteador), mas a rede continuou lenta. Aparentemente a rede está configurada direito. Rodando o lshw alguns itens apareceram como unclaimed, inclusive um cuja descrição é "Communication controller". Não sei se o problema é esse. Alguem teria alguma idéia de oq eu posso fazer? Segue ai a saida completa do lshw:

   daniel-laptop
    description: Portable Computer
    product: Inspiron N5010
    vendor: Dell Inc.
    version: A08
    serial: HKZ74P1
    width: 64 bits
    capabilities: smbios-2.6 dmi-2.6 vsyscall64 vsyscall32
    configuration: boot=normal chassis=portable uuid=44454C4C-4B00-105A-8037-C8C04F345031
  *-core
       description: Motherboard
       product: 08R0GW
       vendor: Dell Inc.
       physical id: 0
       version: A08
       serial: .HKZ74P1.BR108650AR178M.
       slot: To Be Filled By O.E.M.
     *-cpu
          description: CPU
          product: Intel(R) Core(TM) i5 CPU       M 460  @ 2.53GHz
          vendor: Intel Corp.
          physical id: 4
          bus info: cpu@0
          version: Intel(R) Core(TM) i5 CPU       M 460  @ 2.53GH
          serial: To Be Filled By O.E.M.
          slot: CPU 1
          size: 1197MHz
          capacity: 2793MHz
          width: 64 bits
          clock: 533MHz
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida arat tpr_shadow vnmi flexpriority ept vpid cpufreq
        *-cache:0
             description: L1 cache
             physical id: 5
             slot: L1-Cache
             size: 64KiB
             capacity: 64KiB
             capabilities: internal write-back unified
        *-cache:1
             description: L2 cache
             physical id: 6
             slot: L2-Cache
             size: 512KiB
             capacity: 512KiB
             capabilities: internal varies unified
        *-cache:2
             description: L3 cache
             physical id: 7
             slot: L3-Cache
             size: 3MiB
             capacity: 3MiB
             capabilities: internal varies unified
     *-memory
          description: System Memory
          physical id: 1d
          slot: System board or motherboard
          size: 4GiB
        *-bank:0
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: SH564568FH8NWPHSFG
             vendor: 9401
             physical id: 0
             serial: 062249F5
             slot: DIMM_A
             size: 2GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
        *-bank:1
             description: DIMM Synchronous 1333 MHz (0.8 ns)
             product: SH564568FH8NWPHSFG
             vendor: 9401
             physical id: 1
             serial: 06224B2F
             slot: DIMM_B
             size: 2GiB
             width: 64 bits
             clock: 1333MHz (0.8ns)
     *-firmware
          description: BIOS
          vendor: Dell Inc.
          physical id: 0
          version: A08 (09/13/2010)
          size: 64KiB
          capacity: 1984KiB
          capabilities: mca pci upgrade shadowing escd cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer int10video acpi usb zipboot biosbootspecification
     *-pci
          description: Host bridge
          product: Core Processor DRAM Controller
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 18
          width: 32 bits
          clock: 33MHz
          configuration: driver=agpgart-intel
          resources: irq:0
        *-display
             description: VGA compatible controller
             product: Core Processor Integrated Graphics Controller
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             version: 18
             width: 64 bits
             clock: 33MHz
             capabilities: msi pm vga_controller bus_master cap_list rom
             configuration: driver=i915 latency=0
             resources: irq:46 memory:fa400000-fa7fffff memory:c0000000-cfffffff ioport:f080(size=8)
        *-communication UNCLAIMED
             description: Communication controller
             product: 5 Series/3400 Series Chipset HECI Controller
             vendor: Intel Corporation
             physical id: 16
             bus info: pci@0000:00:16.0
             version: 06
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list
             configuration: latency=0
             resources: memory:fbd09000-fbd0900f
        *-usb:0
             description: USB Controller
             product: 5 Series/3400 Series Chipset USB2 Enhanced Host Controller
             vendor: Intel Corporation
             physical id: 1a
             bus info: pci@0000:00:1a.0
             version: 06
             width: 32 bits
             clock: 33MHz
             capabilities: pm debug ehci bus_master cap_list
             configuration: driver=ehci_hcd latency=0
             resources: irq:16 memory:fbd08000-fbd083ff
        *-multimedia
             description: Audio device
             product: 5 Series/3400 Series Chipset High Definition Audio
             vendor: Intel Corporation
             physical id: 1b
             bus info: pci@0000:00:1b.0
             version: 06
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi pciexpress bus_master cap_list
             configuration: driver=HDA Intel latency=0
             resources: irq:47 memory:fbd00000-fbd03fff
        *-pci:0
             description: PCI bridge
             product: 5 Series/3400 Series Chipset PCI Express Root Port 1
             vendor: Intel Corporation
             physical id: 1c
             bus info: pci@0000:00:1c.0
             version: 06
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:40 ioport:2000(size=4096) memory:d1500000-d16fffff ioport:d1700000(size=2097152)
        *-pci:1
             description: PCI bridge
             product: 5 Series/3400 Series Chipset PCI Express Root Port 2
             vendor: Intel Corporation
             physical id: 1c.1
             bus info: pci@0000:00:1c.1
             version: 06
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:41 ioport:3000(size=4096) memory:fbc00000-fbcfffff ioport:d1900000(size=2097152)
           *-network
                description: Wireless interface
                product: BCM4313 802.11b/g LP-PHY
                vendor: Broadcom Corporation
                physical id: 0
                bus info: pci@0000:12:00.0
                logical name: eth1
                version: 01
                serial: 1c:65:9d:74:4e:e2
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
                configuration: broadcast=yes driver=wl0 driverversion=5.60.48.36 ip=192.168.1.100 latency=0 multicast=yes wireless=IEEE 802.11
                resources: irq:17 memory:fbc00000-fbc03fff
        *-pci:2
             description: PCI bridge
             product: 5 Series/3400 Series Chipset PCI Express Root Port 3
             vendor: Intel Corporation
             physical id: 1c.2
             bus info: pci@0000:00:1c.2
             version: 06
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:42 ioport:e000(size=4096) memory:fb200000-fbbfffff ioport:d0b00000(size=10485760)
           *-network
                description: Ethernet interface
                product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
                vendor: Realtek Semiconductor Co., Ltd.
                physical id: 0
                bus info: pci@0000:13:00.0
                logical name: eth0
                version: 02
                serial: b8:ac:6f:e7:8a:e9
                size: 10MB/s
                capacity: 100MB/s
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
                configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10MB/s
                resources: irq:45 ioport:e000(size=256) memory:d0b10000-d0b10fff memory:d0b00000-d0b0ffff memory:fb200000-fb21ffff
        *-pci:3
             description: PCI bridge
             product: 5 Series/3400 Series Chipset PCI Express Root Port 5
             vendor: Intel Corporation
             physical id: 1c.4
             bus info: pci@0000:00:1c.4
             version: 06
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:43 ioport:d000(size=4096) memory:fa800000-fb1fffff ioport:d0000000(size=10485760)
        *-usb:1
             description: USB Controller
             product: 5 Series/3400 Series Chipset USB2 Enhanced Host Controller
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@0000:00:1d.0
             version: 06
             width: 32 bits
             clock: 33MHz
             capabilities: pm debug ehci bus_master cap_list
             configuration: driver=ehci_hcd latency=0
             resources: irq:23 memory:fbd07000-fbd073ff
        *-pci:4
             description: PCI bridge
             product: 82801 Mobile PCI Bridge
             vendor: Intel Corporation
             physical id: 1e
             bus info: pci@0000:00:1e.0
             version: a6
             width: 32 bits
             clock: 33MHz
             capabilities: pci subtractive_decode bus_master cap_list
        *-isa
             description: ISA bridge
             product: Mobile 5 Series Chipset LPC Interface Controller
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@0000:00:1f.0
             version: 06
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master cap_list
             configuration: latency=0
        *-storage
             description: SATA controller
             product: 5 Series/3400 Series Chipset 6 port SATA AHCI Controller
             vendor: Intel Corporation
             physical id: 1f.2
             bus info: pci@0000:00:1f.2
             logical name: scsi0
             logical name: scsi1
             version: 06
             width: 32 bits
             clock: 66MHz
             capabilities: storage msi pm ahci_1.0 bus_master cap_list emulated
             configuration: driver=ahci latency=0
             resources: irq:44 ioport:f070(size=8) ioport:f060(size=4) ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32) memory:fbd06000-fbd067ff
           *-disk
                description: ATA Disk
                product: SAMSUNG HM321HI
                physical id: 0
                bus info: scsi@0:0.0.0
                logical name: /dev/sda
                version: 2AJ1
                serial: S2B4J56Z823791
                size: 298GiB (320GB)
                capabilities: partitioned partitioned:dos
                configuration: ansiversion=5 signature=000c60ce
              *-volume:0
                   description: EXT4 volume
                   vendor: Linux
                   physical id: 1
                   bus info: scsi@0:0.0.0,1
                   logical name: /dev/sda1
                   logical name: /
                   version: 1.0
                   serial: 1547c77d-8be7-47b6-ad4b-4a2db72a3ab0
                   size: 93GiB
                   capacity: 93GiB
                   capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized
                   configuration: created=2010-11-11 13:10:29 filesystem=ext4 lastmountpoint=/�\f3����Wb��O2���]0�����&���`������]f3������� modified=2010-11-11 13:24:42 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,barrier=1,data=ordered mounted=2010-11-27 21:31:45 state=mounted
              *-volume:1
                   description: Extended partition
                   physical id: 2
                   bus info: scsi@0:0.0.0,2
                   logical name: /dev/sda2
                   size: 204GiB
                   capacity: 204GiB
                   capabilities: primary extended partitioned partitioned:extended
                 *-logicalvolume:0
                      description: Linux swap / Solaris partition
                      physical id: 5
                      logical name: /dev/sda5
                      capacity: 954MiB
                      capabilities: nofs
                 *-logicalvolume:1
                      description: Linux filesystem partition
                      physical id: 6
                      logical name: /dev/sda6
                      logical name: /dados
                      capacity: 203GiB
                      configuration: mount.fstype=ext4 mount.options=rw,relatime,barrier=1,data=ordered state=mounted
           *-cdrom
                description: DVD-RAM writer
                product: DVD+-RW GT10N
                vendor: HL-DT-ST
                physical id: 1
                bus info: scsi@1:0.0.0
                logical name: /dev/cdrom
                logical name: /dev/cdrw
                logical name: /dev/dvd
                logical name: /dev/dvdrw
                logical name: /dev/scd0
                logical name: /dev/sr0
                version: A109
                capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
                configuration: ansiversion=5 status=nodisc
        *-serial UNCLAIMED
             description: SMBus
             product: 5 Series/3400 Series Chipset SMBus Controller
             vendor: Intel Corporation
             physical id: 1f.3
             bus info: pci@0000:00:1f.3
             version: 06
             width: 64 bits
             clock: 33MHz
             configuration: latency=0
             resources: memory:fbd05000-fbd050ff ioport:f000(size=32)
        *-generic
             description: Signal processing controller
             product: 5 Series/3400 Series Chipset Thermal Subsystem
             vendor: Intel Corporation
             physical id: 1f.6
             bus info: pci@0000:00:1f.6
             version: 06
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list
             configuration: driver=intel ips latency=0
             resources: irq:18 memory:fbd04000-fbd04fff
  *-battery
       description: Lithium Ion Battery
       product: DELL 4YRJH06
       vendor: Sanyo
       physical id: 1
       serial: 3080
       slot: Sys. Battery Bay
       capacity: 45000mWh
       configuration: voltage=10.8V

Agradeço desde já.