Медленный wifi, Acer Aspire 7736, Intel Link 5100

[console]#lspci -vnn
00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 07)
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, fast devsel, latency 0
Capabilities: [e0] Vendor Specific Information: Len=0a <?>
Kernel driver in use: agpgart-intel

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, fast devsel, latency 0, IRQ 27
Memory at f4000000 (64-bit, non-prefetchable) [size=4M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 1800 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 3
Kernel driver in use: i915

00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 07)
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, fast devsel, latency 0
Memory at f4400000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [d0] Power Management version 3

00:1a.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0, IRQ 20
I/O ports at 1820 [size=32]
Capabilities: [50] PCI Advanced Features
Kernel driver in use: uhci_hcd

00:1a.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 [8086:2938] (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0, IRQ 20
I/O ports at 1840 [size=32]
Capabilities: [50] PCI Advanced Features
Kernel driver in use: uhci_hcd

00:1a.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 [8086:293c] (rev 03) (prog-if 20 [EHCI])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0, IRQ 20
Memory at f4904000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] PCI Advanced Features
Kernel driver in use: ehci_hcd

00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, fast devsel, latency 0, IRQ 29
Memory at f4700000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [130] Root Complex Link
Kernel driver in use: HDA Intel

00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: 00003000-00003fff
Memory behind bridge: f4500000-f45fffff
Prefetchable memory behind bridge: 00000000c0000000-00000000c01fffff
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Capabilities: [a0] Power Management version 2
Capabilities: [100] Virtual Channel
Capabilities: [180] Root Complex Link
Kernel driver in use: pcieport

00:1c.1 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 [8086:2942] (rev 03) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 00004000-00004fff
Memory behind bridge: f4600000-f46fffff
Prefetchable memory behind bridge: 00000000c0200000-00000000c03fffff
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Capabilities: [a0] Power Management version 2
Capabilities: [100] Virtual Channel
Capabilities: [180] Root Complex Link
Kernel driver in use: pcieport

00:1c.4 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 [8086:2948] (rev 03) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=06, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: f2000000-f3ffffff
Prefetchable memory behind bridge: 00000000f0000000-00000000f1ffffff
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Capabilities: [a0] Power Management version 2
Capabilities: [100] Virtual Channel
Capabilities: [180] Root Complex Link
Kernel driver in use: pcieport

00:1d.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0, IRQ 23
I/O ports at 1860 [size=32]
Capabilities: [50] PCI Advanced Features
Kernel driver in use: uhci_hcd

00:1d.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0, IRQ 17
I/O ports at 1880 [size=32]
Capabilities: [50] PCI Advanced Features
Kernel driver in use: uhci_hcd

00:1d.2 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at 18a0 [size=32]
Capabilities: [50] PCI Advanced Features
Kernel driver in use: uhci_hcd

00:1d.3 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 [8086:2939] (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at 18c0 [size=32]
Capabilities: [50] PCI Advanced Features
Kernel driver in use: uhci_hcd

00:1d.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03) (prog-if 20 [EHCI])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at f4904400 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] PCI Advanced Features
Kernel driver in use: ehci_hcd

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 93) (prog-if 01 [Subtractive decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=0d, subordinate=0d, sec-latency=0
Capabilities: [50] Subsystem: Acer Incorporated [ALI] Device [1025:0296]

00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M LPC Interface Controller [8086:2919] (rev 03)
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, medium devsel, latency 0
Capabilities: [e0] Vendor Specific Information: Len=0c <?>

00:1f.2 IDE interface [0101]: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 2 port SATA Controller [IDE mode] [8086:2928] (rev 03) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19
I/O ports at 18f8 [size=8]
I/O ports at 180c [size=4]
I/O ports at 18f0 [size=8]
I/O ports at 1808 [size=4]
I/O ports at 18e0 [size=16]
I/O ports at 1810 [size=16]
Capabilities: [70] Power Management version 3
Capabilities: [b0] PCI Advanced Features
Kernel driver in use: ata_piix

00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 03)
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: medium devsel, IRQ 19
Memory at c0400000 (64-bit, non-prefetchable) [size=256]
I/O ports at 1c00 [size=32]

00:1f.5 IDE interface [0101]: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 2 port SATA Controller [IDE mode] [8086:292d] (rev 03) (prog-if 85 [Master SecO PriO])
Subsystem: Acer Incorporated [ALI] Device [1025:0296]
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19
I/O ports at 1c50 [size=8]
I/O ports at 1c44 [size=4]
I/O ports at 1c48 [size=8]
I/O ports at 1c40 [size=4]
I/O ports at 1c30 [size=16]
I/O ports at 1c20 [size=16]
Capabilities: [70] Power Management version 3
Capabilities: [b0] PCI Advanced Features
Kernel driver in use: ata_piix

02:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM5784M Gigabit Ethernet PCIe [14e4:1698] (rev 10)
Subsystem: Acer Incorporated [ALI] Device [1025:0207]
Flags: bus master, fast devsel, latency 0, IRQ 30
Memory at f4500000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [48] Power Management version 3
Capabilities: [40] Vital Product Data
Capabilities: [60] Vendor Specific Information: Len=6c <?>
Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [cc] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [13c] Virtual Channel
Capabilities: [160] Device Serial Number 00-26-2d-ff-fe-57-fc-b4
Capabilities: [16c] Power Budgeting <?>
Kernel driver in use: tg3

03:00.0 Network controller [0280]: Intel Corporation WiFi Link 5100 [8086:4232]
Subsystem: Intel Corporation WiFi Link 5100 AGN [8086:1201]
Flags: bus master, fast devsel, latency 0, IRQ 28
Memory at f4600000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [e0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 00-1e-65-ff-ff-e8-90-60
Kernel driver in use: iwlagn
[/console]