Bluetooth dongle conflicts with internal BT ??

Hi all,
First question here, and seems not to be an easy one...
I use an iMac (2.8 GHz, intel i5) with OS 10.6.7.
To read out bluetooth data from solar panels I run a program called Sunny Explorer.
As this program runs on Windows only I installed Parallels with Win XP. Program
runs fine.
As the bluetooth data cannot be read by the internal bluetooth device I use a
bluetooth dongle (stick). Here comes the problem; when I use it my mouse and keyboards
drop out. After re-connecting a few times I mostly get them back, but when I close
down or start the iMac again mouse and keyboard drop dead again. Seems to be some kind of
conflict in between internal BT an d dongle????
Does anyone has a solution for this?
thanks,
Gert Ouderits
Belgium.

Some thoughts: both BT radios would be transmitting on the same 2.4GHz frequency, so could be interfering with each other. And you have the two BT radios relatively close to each other. Perhaps use a USB extension cable to move the external BT dongle farther away from your mouse & keyboard. And closer to your solar panel data device. I think that most BT radio "crank up the power" in weak signal conditions so if the solar device is far away, then the BT dongle may occasionally be "louder" than the iMac's BT radio. Thus the idea of moving the BT dongle away from the iMac and closer to the solar.
I do something simiar to you with a Mac Mini and a BT dongle on the USB port of my monitor. I used to have the dongle plugged directly into the Mini, but after a bunch of troubleshooting I moved the dongle to the monitor. This appears to put the BT dongle far enough away from the Mini to not cause interference.
...but when I close down or start the iMac again mouse and keyboard drop dead again...
The other possibility I'm thinking of is that the mouse and keyboard are trying to connect to the BT dongle instead of the internal BT radio. This could be more likely if the dongle is Class 1, which has a stronger radio. BT has a range of 10 meters for Class 2, which is what is in the iMac, and 100 meters for Class 1. You won't find a 100 meter USB extension cable, but hopefully moving the dongle just a few meters will work.
Otherwise, USB mouse and keyboard will obviously not have Bluetooth issues.

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Message was edited by: illinny

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Module Size Used by
bnep 7234 2
rfcomm 29213 0
cpufreq_ondemand 5064 2
ipv6 249260 20
nilfs2 137542 1
ext2 55475 1
snd_hda_codec_hdmi 20368 4
snd_hda_codec_realtek 225687 1
joydev 7535 0
rt2870sta 394863 1
usbhid 31211 0
usb_storage 34863 0
crc_ccitt 1103 1 rt2870sta
hid 63007 1 usbhid
uas 6480 0
btusb 9897 1
bluetooth 115465 13 bnep,rfcomm,btusb
rfkill 12510 3 bluetooth
cx24116 13077 2
ir_lirc_codec 3767 0
lirc_dev 7899 1 ir_lirc_codec
ir_sony_decoder 1847 0
ir_jvc_decoder 1909 0
ir_rc6_decoder 2325 0
ir_rc5_decoder 1813 0
ir_nec_decoder 2293 0
nvidia 10508189 50
cx23885 115535 40
rc_core 13136 7 ir_lirc_codec,ir_sony_decoder,ir_jvc_decoder,ir_rc6_decoder,ir_rc5_decoder,ir_nec_decoder,cx23885
altera_stapl 23849 1 cx23885
cx2341x 15572 1 cx23885
videobuf_dma_sg 7144 1 cx23885
videobuf_dvb 3890 1 cx23885
videobuf_core 13652 3 cx23885,videobuf_dma_sg,videobuf_dvb
v4l2_common 5351 2 cx23885,cx2341x
snd_hda_intel 19261 0
videodev 70734 3 cx23885,cx2341x,v4l2_common
media 8545 1 videodev
altera_ci 8004 1 cx23885
snd_hda_codec 66793 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 4919 1 snd_hda_codec
snd_pcm 60311 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
dvb_core 77565 3 cx23885,videobuf_dvb,altera_ci
btcx_risc 2879 1 cx23885
tveeprom 10465 1 cx23885
snd_timer 15542 1 snd_pcm
snd 43527 7 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
firewire_ohci 25683 0
soundcore 5018 1 snd
uhci_hcd 19344 0
snd_page_alloc 5909 2 snd_hda_intel,snd_pcm
firewire_core 43390 1 firewire_ohci
ehci_hcd 34847 0
sg 21022 0
r8169 34923 0
usbcore 119004 8 rt2870sta,usbhid,usb_storage,uas,btusb,uhci_hcd,ehci_hcd
button 3654 0
i2c_i801 7039 0
mii 3383 1 r8169
crc_itu_t 1077 1 firewire_core
evdev 7310 11
iTCO_wdt 10333 0
pcspkr 1415 0
iTCO_vendor_support 1553 1 iTCO_wdt
asus_atk0110 9099 0
uinput 5864 0
acpi_cpufreq 5053 1
freq_table 2055 2 cpufreq_ondemand,acpi_cpufreq
processor 21884 1 acpi_cpufreq
mperf 1035 1 acpi_cpufreq
fuse 58669 3
ext4 334626 2
mbcache 4321 2 ext2,ext4
jbd2 59098 1 ext4
crc16 1077 2 bluetooth,ext4
sd_mod 25515 7
sr_mod 12956 0
cdrom 31341 1 sr_mod
pata_acpi 2396 0
pata_marvell 2084 4
ata_piix 18569 1
libata 154349 3 pata_acpi,pata_marvell,ata_piix
scsi_mod 110670 6 usb_storage,uas,sg,sr_mod,sd_mod,libata
radeon 907876 0
ttm 45533 1 radeon
drm_kms_helper 24245 1 radeon
drm 147653 3 radeon,ttm,drm_kms_helper
i2c_algo_bit 4431 1 radeon
i2c_core 16665 11 cx24116,cx23885,v4l2_common,videodev,nvidia,tveeprom,i2c_i801,radeon,drm_kms_helper,drm,i2c_algo_bit
intel_agp 8664 0
intel_gtt 11417 1 intel_agp
agpgart 22160 5 nvidia,ttm,drm,intel_agp,intel_gtt
Anyone know how to get this thing working?

tomk wrote:Have a look in dmesg for relevant messages.
Yep, had done that, nothing relevant ..
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Satellite C660-108 does not boot if USB Bluetooth dongle connected

Hiya,
I hope you would help me.
I am having an issue with my bluetooth dongle and satellite c660-108.
It works all perfectly. It connects devices via bluetooth and I can do everything I want.
But then when I am shutting down laptop and turning on again it won't go if the bluetooth dongle is still in the usb socket.
I see Toshiba screen and then it hangs with black screen and blinking cursor in top left corner.
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I am currently running under win 8.1 but had it already with win 8.
Anybody any ideas??

>I see Toshiba screen and then it hangs with black screen and blinking cursor in top left corner.
Mostly the blinking cursor appears because the notebook cannot find an bootable device.
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Re@lted t0 bluetooth dongle, stack and configuration.. .......

Hi to all,
Those r new or require some more info realted to STACK and statring the prohect read the following page
http://www.cs.hku.hk/~fyp05016/kyng/bt_j9.htm
This is may be benifical to u.
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Bluetooth forum
http://vietcovo.com http://forum.vietcovo.com

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USB Bus:
Host Controller Location:          Built-in USB
Host Controller Driver:          AppleUSBOHCI
PCI Device ID:          0x0aa7
PCI Revision ID:          0x00b1
PCI Vendor ID:          0x10de
Bus Number:          0x06
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Product ID:          0x0001
Vendor ID:          0x0a12 (Cambridge Silicon Radio Ltd.)
Version:          59.41
Speed:          Up to 12 Mb/sec
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Location ID:          0x06200000
Current Available (mA):          500
Current Required (mA):          200
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Vendor ID:          0x0a5c (Broadcom Corp.)
Version:           1.00
Speed:          Up to 12 Mb/sec
Manufacturer:          Apple Inc.
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Current Available (mA):          500
Current Required (mA):          0
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Product ID:          0x8217
Vendor ID:          0x05ac (Apple Inc.)
Version:           1.80
Serial Number:          xxxxxxxxx
Speed:          Up to 12 Mb/sec
Manufacturer:          Apple Inc.
Location ID:          0x06110000
Current Available (mA):          500
Current Required (mA):          0
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Hardware Settings:
Address:          xx-xx-xx-xx-xx-xx
Manufacturer:          Cambridge Silicon Radio
Name:          billbarnes
Firmware Version:          5941
Bluetooth Power:          On
Discoverable:          No
Vendor ID:          0
Product ID:          0x1
HCI Version:          4 (0x4)
HCI Revision:          5941 (0x1735)
LMP Version:          4 (0x4)
LMP Subversion:          5941 (0x1735)
Device Type (Major):          Computer
Device Type (Complete):          Macintosh Portable
Composite Class Of Device:          3670284 (0x38010c)
Device Class (Major):          1 (0x1)
Device Class (Minor):          3 (0x3)
Service Class:          448 (0x1c0)
Requires Authentication:          No
Services:
Bluetooth File Transfer:
Folder other devices can browse:          ~/Public
Requires Authentication:          Yes
State:          Enabled
Bluetooth File Exchange:
Folder for accepted items:          ~/Downloads
Requires Authentication:          Yes
When other items are accepted:          Ask
When PIM items are accepted:          Ask
When receiving items:          Prompt for each file
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Manufacturer:          Cambridge Silicon Radio (0x3, 0x10db)
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RFCOMM Channel:          3
Requires Authentication:          No
Outgoing Serial Ports:
Serial Port 1:
Address:
Name:          Bluetooth-Modem
RFCOMM Channel:          0
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Hi X42:
Your last paragraph intrigued me as I had the same impression:
I thought unlicensed BT devices were legally limited by the FCC to about 30 feet (3 meters)
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Bluetooth is a standard wire-replacement communications protocol primarily designed for low power consumption, with a short range (power-class-dependent, but effective ranges vary in practice; see table below) based on low-cost transceiver microchips in each device.[7] Because the devices use a radio (broadcast) communications system, they do not have to be in visual line of sight of each other, however a quasi optical wireless path must be viable.[2]
Class
Maximum Permitted Power
Range
(approximate)
mW
dBm
Class 1
100
20
~100 meters
Class 2
2.5
4
~10 meters
Class 3
1
0
~5 meter
The effective range varies due to propagation conditions, material coverage, production sample variations, antenna configurations and battery conditions. In most cases the effective range of class 2 devices is extended if they connect to a class 1 transceiver, compared to a pure class 2 network. This is accomplished by the higher sensitivity and transmission power of Class 1 devices.[8]
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Barry

Bluetooth dongle conflicts with internal BT ??

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