Home » Hardware » notebook » ProBook 4520s
notebook ProBook 4520s
messaggi: 0
modello: ProBook 4520s(id del modello: 862)
sottotipo (notebook, netbook, scheda madre, tablet):
notebook
marca:
Hewlett Packard
architettura:
x86-64/amd64
ha un firmware per il boot (BIOS, UEFI,..) libero?
no
possono essere installati sistemi operativi liberi?
sì
il dispositivo impedisce l'installazione di schede wifi non approvate dal rivenditore/distributore?
non specificato
anno di commercializzazione:
non specificato
compatibilità con il software libero:
A-platino
testato con:
Trisquel 5.5 Brigantia
Trisquel 6.0 Toutatis
testato con il seguente kernel libre:
3.0.0-17-generic
3.2.0-38-generic-pae
modello di scheda video:
Intel Corporation Core Processor Integrated Graphics Controller (rev 12) (funziona con accelerazione 3D)
modello di scheda wifi:
Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) (funziona)
modello di webcam:
Integrated webcam (funziona)
Descrizione:

This laptop seems to work just fine with TRisquel 6.0. The previous test made with Trisquel 5.5 listed this laptop as C-Silver due to non-working wifi card. This card was different than the one I had with this laptop when testing with 6.0. Therefore I have included the data from both test cases.

Tested with Trisquel 6.0: A-Platinum

lspci -vmmnn

Slot:	00:00.0
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor DRAM Controller [0044]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	12

Slot:	00:02.0
Class:	VGA compatible controller [0300]
Vendor:	Intel Corporation [8086]
Device:	Core Processor Integrated Graphics Controller [0046]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	12

Slot:	00:16.0
Class:	Communication controller [0780]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset HECI Controller [3b64]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	06

Slot:	00:1a.0
Class:	USB controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset USB2 Enhanced Host Controller [3b3c]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	06
ProgIf:	20

Slot:	00:1b.0
Class:	Audio device [0403]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset High Definition Audio [3b56]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	06

Slot:	00:1c.0
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset PCI Express Root Port 1 [3b42]
Rev:	06

Slot:	00:1c.1
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset PCI Express Root Port 2 [3b44]
Rev:	06

Slot:	00:1c.3
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset PCI Express Root Port 4 [3b48]
Rev:	06

Slot:	00:1c.5
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset PCI Express Root Port 6 [3b4c]
Rev:	06

Slot:	00:1d.0
Class:	USB controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset USB2 Enhanced Host Controller [3b34]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	06
ProgIf:	20

Slot:	00:1e.0
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	82801 Mobile PCI Bridge [2448]
Rev:	a6
ProgIf:	01

Slot:	00:1f.0
Class:	ISA bridge [0601]
Vendor:	Intel Corporation [8086]
Device:	Mobile 5 Series Chipset LPC Interface Controller [3b0b]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	06

Slot:	00:1f.2
Class:	SATA controller [0106]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset 6 port SATA AHCI Controller [3b2f]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	06
ProgIf:	01

Slot:	00:1f.6
Class:	Signal processing controller [1180]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset Thermal Subsystem [3b32]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	06

Slot:	43:00.0
Class:	Network controller [0280]
Vendor:	Atheros Communications Inc. [168c]
Device:	AR9285 Wireless Network Adapter (PCI-Express) [002b]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	U98Z062.12 802.11bgn Wireless Half-size Mini PCIe Card [3040]
Rev:	01

Slot:	44:00.0
Class:	Ethernet controller [0200]
Vendor:	Realtek Semiconductor Co., Ltd. [10ec]
Device:	RTL8111/8168 PCI Express Gigabit Ethernet controller [8168]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
PhySlot:	5
Rev:	03

Slot:	ff:00.0
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor QuickPath Architecture Generic Non-core Registers [2c62]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:00.1
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor QuickPath Architecture System Address Decoder [2d01]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:02.0
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor QPI Link 0 [2d10]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:02.1
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor QPI Physical 0 [2d11]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:02.2
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor Reserved [2d12]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:02.3
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor Reserved [2d13]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

lspci -nnk

00:00.0 Host bridge [0600]: Intel Corporation Core Processor DRAM Controller [8086:0044] (rev 12)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 12)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: i915
	Kernel modules: i915
00:16.0 Communication controller [0780]: Intel Corporation 5 Series/3400 Series Chipset HECI Controller [8086:3b64] (rev 06)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: mei
	Kernel modules: mei
00:1a.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b3c] (rev 06)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: ehci_hcd
00:1b.0 Audio device [0403]: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio [8086:3b56] (rev 06)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd-hda-intel
00:1c.0 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 [8086:3b42] (rev 06)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 [8086:3b44] (rev 06)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.3 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 [8086:3b48] (rev 06)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.5 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 6 [8086:3b4c] (rev 06)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b34] (rev 06)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: ehci_hcd
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev a6)
00:1f.0 ISA bridge [0601]: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller [8086:3b0b] (rev 06)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel modules: iTCO_wdt
00:1f.2 SATA controller [0106]: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller [8086:3b2f] (rev 06)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: ahci
00:1f.6 Signal processing controller [1180]: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem [8086:3b32] (rev 06)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel modules: intel_ips
43:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
	Subsystem: Hewlett-Packard Company U98Z062.12 802.11bgn Wireless Half-size Mini PCIe Card [103c:3040]
	Kernel driver in use: ath9k
	Kernel modules: ath9k
44:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller [10ec:8168] (rev 03)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: r8169
	Kernel modules: r8169
ff:00.0 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers [8086:2c62] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:00.1 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture System Address Decoder [8086:2d01] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:02.0 Host bridge [0600]: Intel Corporation Core Processor QPI Link 0 [8086:2d10] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:02.1 Host bridge [0600]: Intel Corporation Core Processor QPI Physical 0 [8086:2d11] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:02.2 Host bridge [0600]: Intel Corporation Core Processor Reserved [8086:2d12] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:02.3 Host bridge [0600]: Intel Corporation Core Processor Reserved [8086:2d13] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]

sudo lsusb -v (webcam, partial)

Bus 001 Device 004: ID 05c8:0403 Cheng Uei Precision Industry Co., Ltd (Foxlink) Webcam
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x05c8 Cheng Uei Precision Industry Co., Ltd (Foxlink)
  idProduct          0x0403 Webcam
  bcdDevice            1.06
  iManufacturer           3 Foxlink
  iProduct                1 HP Webcam [2 MP Fixed]
  iSerial                 2 200909240102
  bNumConfigurations      1
Tested with Trisquel 5.5: C-SIlver

lspci -vmmnn

Slot:	00:00.0
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor DRAM Controller [0044]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	02

Slot:	00:02.0
Class:	VGA compatible controller [0300]
Vendor:	Intel Corporation [8086]
Device:	Core Processor Integrated Graphics Controller [0046]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	02

Slot:	00:16.0
Class:	Communication controller [0780]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset HECI Controller [3b64]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	06

Slot:	00:1a.0
Class:	USB controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset USB2 Enhanced Host Controller [3b3c]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	05
ProgIf:	20

Slot:	00:1b.0
Class:	Audio device [0403]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset High Definition Audio [3b56]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	05

Slot:	00:1c.0
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset PCI Express Root Port 1 [3b42]
Rev:	05

Slot:	00:1c.1
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset PCI Express Root Port 2 [3b44]
Rev:	05

Slot:	00:1c.3
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset PCI Express Root Port 4 [3b48]
Rev:	05

Slot:	00:1c.5
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset PCI Express Root Port 6 [3b4c]
Rev:	05

Slot:	00:1d.0
Class:	USB controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset USB2 Enhanced Host Controller [3b34]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	05
ProgIf:	20

Slot:	00:1e.0
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	82801 Mobile PCI Bridge [2448]
Rev:	a5
ProgIf:	01

Slot:	00:1f.0
Class:	ISA bridge [0601]
Vendor:	Intel Corporation [8086]
Device:	Mobile 5 Series Chipset LPC Interface Controller [3b0b]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	05

Slot:	00:1f.2
Class:	SATA controller [0106]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset 6 port SATA AHCI Controller [3b2f]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	05
ProgIf:	01

Slot:	00:1f.6
Class:	Signal processing controller [1180]
Vendor:	Intel Corporation [8086]
Device:	5 Series/3400 Series Chipset Thermal Subsystem [3b32]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
Rev:	05

Slot:	43:00.0
Class:	Network controller [0280]
Vendor:	Broadcom Corporation [14e4]
Device:	BCM4313 802.11b/g/n Wireless LAN Controller [4727]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1483]
Rev:	01

Slot:	44:00.0
Class:	Ethernet controller [0200]
Vendor:	Realtek Semiconductor Co., Ltd. [10ec]
Device:	RTL8111/8168B PCI Express Gigabit Ethernet controller [8168]
SVendor:	Hewlett-Packard Company [103c]
SDevice:	Device [1413]
PhySlot:	5
Rev:	03

Slot:	ff:00.0
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor QuickPath Architecture Generic Non-core Registers [2c62]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:00.1
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor QuickPath Architecture System Address Decoder [2d01]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:02.0
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor QPI Link 0 [2d10]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:02.1
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor QPI Physical 0 [2d11]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:02.2
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor Reserved [2d12]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

Slot:	ff:02.3
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Core Processor Reserved [2d13]
SVendor:	Intel Corporation [8086]
SDevice:	Device [8086]
Rev:	02

lspci -nnk

00:00.0 Host bridge [0600]: Intel Corporation Core Processor DRAM Controller [8086:0044] (rev 02)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: i915
	Kernel modules: i915
00:16.0 Communication controller [0780]: Intel Corporation 5 Series/3400 Series Chipset HECI Controller [8086:3b64] (rev 06)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: mei
	Kernel modules: mei
00:1a.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b3c] (rev 05)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: ehci_hcd
00:1b.0 Audio device [0403]: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio [8086:3b56] (rev 05)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: HDA Intel
	Kernel modules: snd-hda-intel
00:1c.0 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 [8086:3b42] (rev 05)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 [8086:3b44] (rev 05)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.3 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 [8086:3b48] (rev 05)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.5 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 6 [8086:3b4c] (rev 05)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b34] (rev 05)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: ehci_hcd
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev a5)
00:1f.0 ISA bridge [0601]: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller [8086:3b0b] (rev 05)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel modules: iTCO_wdt
00:1f.2 SATA controller [0106]: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller [8086:3b2f] (rev 05)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: ahci
	Kernel modules: ahci
00:1f.6 Signal processing controller [1180]: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem [8086:3b32] (rev 05)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel modules: intel_ips
43:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01)
	Subsystem: Hewlett-Packard Company Device [103c:1483]
	Kernel driver in use: bcma-pci-bridge
	Kernel modules: bcma, brcmsmac
44:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 03)
	Subsystem: Hewlett-Packard Company Device [103c:1413]
	Kernel driver in use: r8169
	Kernel modules: r8169
ff:00.0 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers [8086:2c62] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:00.1 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture System Address Decoder [8086:2d01] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:02.0 Host bridge [0600]: Intel Corporation Core Processor QPI Link 0 [8086:2d10] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:02.1 Host bridge [0600]: Intel Corporation Core Processor QPI Physical 0 [8086:2d11] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:02.2 Host bridge [0600]: Intel Corporation Core Processor Reserved [8086:2d12] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]
ff:02.3 Host bridge [0600]: Intel Corporation Core Processor Reserved [8086:2d13] (rev 02)
	Subsystem: Intel Corporation Device [8086:8086]

sudo lsusb -v (webcam, partial)

Bus 001 Device 004: ID 0461:4db6 Primax Electronics, Ltd 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x0461 Primax Electronics, Ltd
  idProduct          0x4db6 
  bcdDevice            0.04
  iManufacturer           2 Primax Electronics Ltd.
  iProduct                1 Villem
  iSerial                 3 PMX01
  bNumConfigurations      1

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