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Thnak you very much, that worked!

Drive Information
OS device name: D:
Manufacturer: PIONEER
Product: BD-RW BDR-209M
Revision: 1.51
Serial number: RIDL006765WL
Firmware date: 2018-05-08
Bus encryption flags: 13
Highest AACS version: 81

LibreDrive Information
Status: Enabled
Drive platform: RS8601
Firmware name: PIONEER BDR-209 ...

hello,

i have have the exact same Pioneer Drive. i bought this drive becuase my Asus drive just dont rip some of my UHD discs. so in the Makemkv software the pioneer shows as "enabled" but it wont read any UHD-Discs, unlike for the asus i cant find any info about what Firmware i need for the ...

i have a ASUS Bluray Drive

is a Pioneer Drive considered superior for 4k rips?

thanks for the answer!

everything work fine for 20 minutes an then suddenly reading speed drops to 0 and i get 2 error messages:

Fehler 'SCSI-Fehler - MEDIUM ERROR:L-EC UNCORRECTABLE ERROR' trat auf während des Auslesens von '/BDMV/STREAM/00004.m2ts' bei Offset '26033387520'

Fehler 'Betriebssystemfehler - STATUS_DEVICE ...