Cambridge Silicon Radio Ltd Bluetooth Dongle Driver Windows 10

1. Cambridge Silicon Radio Ltd Bluetooth Dongle Driver Windows 10 Download
2. Cambridge Silicon Radio Ltd Bluetooth Dongle Driver Windows 10

Even simply running VBoxManage with 'list usbhost' or 'list usbfilter' or 'list extpacks' or 'showvminfo 'Ubuntu 16.04' will have this effect. If invoked with NO options, it merrily displays options but does NOT 'disable' USB BT adapter/audio. As this seems to be something VBox code is doing, yet at times I wouldn't think it needed to, I'm perplexed. (Getting info via VBoxManage, like 'list extpacks' causes this - why?) It does NOT interfere with my Logitech Mouse+USB dongle. (That works/keeps working fine; works fine in Guest OS.)
And by 'disable', I mean: Windows looks/ACTS like the USB Bluetooth Adapter is still there and working properly, but no sound is going to/through it. Device Manager shows all A-OK with the BT adtapter, but the Headphones no longer show up as a valid Playback Device; they are 'Disconnected', though nothing has been done to do so; only VBoxManage.exe + the above-listed options, or VirtualBox.exe itself, is being run. The Headphones are still listed in, e.g., Devices and Printers. They still show as 'Paired' in the Win10 'Notifications' window and in Bluetooth Settings; trying to invoke a 'connect' in either location does not work. I *must* do the below headphone disconnect/USB BT Adapter physical removal/replace procedure.
This is a generic USB Bluetooth Adapter ($0.99 direct from China; see like ebay itm#262829296763) used with a pair of Motorola HT820 Headphones. This combination works reliably ordinarily. Has for years.
VirtualBox v5.1.14r112924

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hosted on Windows 10 v1607 OS Build 14393.693 64-bit

I have Oracle_VM_VirtualBox_Extension_Pack-5.1.14-112924.vbox-extpack added.
Seems not an issue with the guest OS, as I mentioned even running VBoxManage (with options) does the same thing. Still, I have one VM set up:

I have Oracle_VM_VirtualBox_Extension_Pack-5.1.14-112924.vbox-extpack added.
Seems not an issue with the guest OS, as I mentioned even running VBoxManage (with options) does the same thing. Still, I have one VM set up:
Guest is Ubuntu 16.04.2 64-bit
Guest Additions have been added per docs/recommendations.
Just starting VirtualBox.exe has the same effect. The GUI panel, NOT starting the guest VM. AGAIN, the USB BT Audie is 'disabled'/BT Headphones are 'disconnected' by VBox, not the guest OS.
In order for BT adapter to function again, I must:

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1. close VBox
2. turn off my headphones
3. unplug the USB dongle
4. re-plug
5. turn my headphones back on.


Rinse, Wash, Repeat as necessary. (Usually doing this process once is enough to have audio passed through the USB Bluetooth Adapter again, but on occasion I need to do it another once or more times. THIS I blame Windows for, and do NOT believe to be part of the VirtualBox issue herein described.)

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C:Program FilesOracleVirtualBox>VBoxManage list usbhost
Host USB Devices:
UUID: 9bd88653-615a-4d5f-9f48-12877b2cd1a3
VendorId: 0x0a12 (0A12)
ProductId: 0x0001 (0001)
Revision: 25.21 (2521)
Port: 0
USB version/speed: 2/High
Manufacturer: Cambridge Silicon Radio, Ltd
Product: Bluetooth Dongle (HCI mode)
Address: {e0cbf06c-cd8b-4647-bb8a-263b43f0f974}0000
Current State: Busy
UUID: d227a2fa-69f3-4c74-ab4c-9a1a4c0d69fa
VendorId: 0x046d (046D)
ProductId: 0xc52f (C52F)
Revision: 48.0 (4800)
Port: 0
USB version/speed: 2/High
Manufacturer: Logitech
Product: USB Receiver
Address: {36fc9e60-c465-11cf-8056-444553540000}0014
Current State: Busy


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C:Program FilesOracleVirtualBox>VBoxManage list usbfilters
Global USB Device Filters:



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C:Program FilesOracleVirtualBox>VBoxManage list extpacks
Extension Packs: 1
Pack no. 0: Oracle VM VirtualBox Extension Pack
Version: 5.1.14
Revision: 112924
Edition:
Description: USB 2.0 and USB 3.0 Host Controller, Host Webcam, VirtualBox RDP, PXE ROM, Disk Encryption, NVMe.
VRDE Module: VBoxVRDP
Usable: true
Why unusable:


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C:Program FilesOracleVirtualBox>VBoxManage showvminfo 'Ubuntu 16.04'
Name: Ubuntu 16.04
Groups: /
Guest OS: Ubuntu (64-bit)
UUID: 74a45be5-dfc0-4413-8cde-a89475bed3f5
Config file: C:UserslhaleVirtualBox VMsUbuntu 16.04Ubuntu 16.04.vbox
Snapshot folder: C:UserslhaleVirtualBox VMsUbuntu 16.04Snapshots
Log folder: C:UserslhaleVirtualBox VMsUbuntu 16.04Logs
Hardware UUID: 74a45be5-dfc0-4413-8cde-a89475bed3f5
Memory size: 8192MB
Page Fusion: off
VRAM size: 16MB
CPU exec cap: 100%
HPET: off
Chipset: piix3
Firmware: BIOS
Number of CPUs: 1
PAE: off
Long Mode: on
Triple Fault Reset: off
APIC: on
X2APIC: on
CPUID Portability Level: 0
CPUID overrides: None
Boot menu mode: message and menu
Boot Device (1): Floppy
Boot Device (2): DVD
Boot Device (3): HardDisk
Boot Device (4): Not Assigned
ACPI: on
IOAPIC: on
BIOS APIC mode: APIC
Time offset: 0ms
RTC: UTC
Hardw. virt.ext: on
Nested Paging: on
Large Pages: on
VT-x VPID: on
VT-x unr. exec.: on
Paravirt. Provider: Default
Effective Paravirt. Provider: KVM
State: powered off (since 2017-02-27T21:31:26.000000000)
Monitor count: 1
3D Acceleration: off
2D Video Acceleration: off
Teleporter Enabled: off
Teleporter Port: 0
Teleporter Address:
Teleporter Password:
Tracing Enabled: off
Allow Tracing to Access VM: off
Tracing Configuration:
Autostart Enabled: off
Autostart Delay: 0
Default Frontend:
Storage Controller Name (0): IDE
Storage Controller Type (0): PIIX4
Storage Controller Instance Number (0): 0
Storage Controller Max Port Count (0): 2
Storage Controller Port Count (0): 2
Storage Controller Bootable (0): on
Storage Controller Name (1): SATA
Storage Controller Type (1): IntelAhci
Storage Controller Instance Number (1): 0
Storage Controller Max Port Count (1): 30
Storage Controller Port Count (1): 1
Storage Controller Bootable (1): on
IDE (1, 0): Empty
SATA (0, 0): C:UserslhaleVirtualBox VMsUbuntu 16.04Ubuntu 16.04.vdi (UUID: 58021c65-178d-4e20-b75f-7d30e71f7a13)
NIC 1: MAC: 0800270E0057, Attachment: NAT, Cable connected: on, Trace: off (file: none), Type: 82540EM, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: deny, Bandwidth group: none
NIC 1 Settings: MTU: 0, Socket (send: 64, receive: 64), TCP Window (send:64, receive: 64)
NIC 2: disabled
NIC 3: disabled
NIC 4: disabled
NIC 5: disabled
NIC 6: disabled
NIC 7: disabled
NIC 8: disabled
Pointing Device: USB Tablet
Keyboard Device: PS/2 Keyboard
UART 1: disabled
UART 2: disabled
UART 3: disabled
UART 4: disabled
LPT 1: disabled
LPT 2: disabled
Audio: enabled (Driver: DSOUND, Controller: AC97, Codec: AD1980)
Clipboard Mode: disabled
Drag and drop Mode: disabled
VRDE: disabled
USB: enabled
EHCI: disabled
XHCI: disabled
USB Device Filters:

Bandwidth groups:
Shared folders:
Video capturing: not active
Capture screens: 0
Capture file: C:UserslhaleVirtualBox VMsUbuntu 16.04Ubuntu 16.04.webm
Capture dimensions: 1024x768
Capture rate: 512 kbps
Capture FPS: 25
Guest:
Configured memory balloon size: 0 MB


Cambridge Silicon Radio Ltd Bluetooth Dongle Driver Windows 10 Download

Googling kept leading me to these forums; I tried searching the forums, but found nothing helpful with this odd behavior.

Cambridge Silicon Radio Ltd Bluetooth Dongle Driver Windows 10

Any/all help, thoughts, suggestions greatly appreciated!
-Larry