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TBS 6981 (PCIe, DVB-S2, Dual-Tuner, Satellite-HDTV, Low-Profile)

Multimedia Multimedia, PCI-Express, PCIe, TBS, TV

TBS 6981 (PCIe, DVB-S2, Dual-Tuner, Satellite-HDTV, Low-Profile)
Linux compatibility: Only the Linux compatibility is rated on this page, not the general quality of the product. If you use this product with Linux, please rate it and share your experience in the comment area of this page (bottom) to support other Linux users.
2 votes, average: 4.0 out of 52 votes, average: 4.0 out of 52 votes, average: 4.0 out of 52 votes, average: 4.0 out of 52 votes, average: 4.0 out of 5
  ( 4 with 2 ratings)


Price trend
TBS 6981 
-
Minimum: £ 83.70 
Maximum: £ 172.50  
Updated: 17/06/2016 13:05

Review of Linux Compatibility

The TBS 6981 is a PCI-Express card in low profile a uses a Conexant Dual-Tuner for DVB-S2 reception. The card is supported under Linux thanks to the driver cx23885 which is provided by TBS. The card is identified by the kernel in the following way:

02:00.0 Multimedia video controller: Conexant Systems, Inc. CX23885 PCI Video and Audio  Decoder  (rev   04)
Subsystem: Device 6981:8888
Kernel driver in use: cx23885
Kernel modules: cx23885

The driver can be downloaded from the TBS homepage: http://www.tbsdtv.com/download/#tbs6981.

After downloading and unpacking the driver:

unzip DOWNLOAD.zip
tar xf linux-tbs-drivers.tar.bz2

the installation script has to be executed:

cd linux-tbs-drivers/v4l/
sh ./tbs-x86_64.sh

Afterwards, the driver cx23885 can be compiled and installed

make
make install

and is available after a reboot of the system. The driver will load automatically:

cx25840 7-0044: loaded v4l-cx23885-avcore-01.fw firmware (16382 bytes)
cx23885_dvb_register() allocating 1 frontend(s)
cx23885[0]: cx23885 based dvb card
tbs6981fe: module license 'TurboSight Proprietary: www.tbsdtv.com' taints kernel.
Disabling lock debugging due to kernel taint
TurboSight TBS 6981 Frontend 0 Attaching...
DVB: registering new adapter (cx23885[0])
DVB: registering adapter 0 frontend 0 (TurboSight TBS 6981 DVBS/S2 frontend)...
TurboSight TBS698x Dual DVB-S2 card port0 MAC=00:22:ab:f0:36:fa
cx23885_dvb_register() allocating 1 frontend(s)
cx23885[0]: cx23885 based dvb card
TurboSight TBS 6981 Frontend 1 Attaching...
DVB: registering new adapter (cx23885[0])
DVB: registering adapter 1 frontend 0 (TurboSight TBS 6981 DVBS/S2 frontend)...
TurboSight TBS698x Dual DVB-S2 card port1 MAC=00:22:ab:f0:36:fb
cx23885_dev_checkrevision() Hardware revision = 0xa5
cx23885[0]/0: found at 0000:02:00.0, rev: 4, irq: 18, latency: 0, mmio: 0xfd400000
cx23885 0000:02:00.0: setting latency timer to 64

A second option to operate the TBS 6981 is the Open-Source driver, which is available at https://github.com/ljalves/linux_media/wiki.


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 Comments

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