Sony VGX-XL201 User Manual page 34

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Using Your VAIO Computer
8cm disc writing is not supported.
Except the Blu-ray disc drive, all other optical disc drives are capable of reading 8cm discs with the supplied 8cm disc adapter.
The Blu-ray disc drive is capable of reading most 8cm DVD discs (excluding 8cm DVD-RAM discs) with the supplied 8cm disc adapter, but not 8cm
CDs even with the supplied 8cm disc adapter.
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To play copyright protected Blu-ray discs continually, you need to update the AACS key. Note that the AACS key update requires Internet access.
As with other optical media devices, circumstances may limit compatibility or prevent Blu-ray disc playback. VAIO computers may not support movie
playback on packaged media recorded in AVC or VC1 formats at high bit rates.
Video recording to Blu-ray Disc media is done in MPEG2 format only.
Region settings are required for Movies and BD-ROM contents. If the region setting and the region of the disc do not match, playback is not possible.
Unless your external display is compliant with the High-bandwidth Digital Content Protection (HDCP) standard, you cannot play or view the contents
of copyright protected Blu-ray discs.