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Liggy's and Dee's modified NEC and Optiarc firmwares

Everything about Optiarc AD7540A and AD7543A firmwares

 
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The DVD Burner Optiarc AD-7540A is the first slimline DVD burner that was made by the new optical storage company Optiarc - an alliance of NEC's and Sony's former optical storage departments. The drive was announced in August 2006. The Optiarc AD7543 burner adds support for LabelFlash but both drives share the same hardware and only differ in firmware. However you should not try to simply flash an Optiarc 7543 firmware on an Optiarc 7540 drive or vice versa. This will NOT work. Click here for detailed specifications of the Optiarc AD7540A.

The following firmwares are available for download here:

Firmware version Download
AD-7540A Firmware 1.W2 Download
AD-7540A Firmware 1.A8 Download
Original Optiarc AD7543A firmware 1-I1 Download
AD-7540A Firmware 1.W0 Download
Original Optiarc AD7540A firmware 1.42c Download
AD-7540A Firmware 1.D3 Download
Original Optiarc AD7540A firmware 1.D1 Download
Original Sony AW-G540A firmware 1.30 Download
Original Optiarc AD7540A firmware 1.42b Download
Original Optiarc AD7543A firmware 1-I0 Download
Original Optiarc AD7540A firmware 1.01b Download
Original Sony AW-G540A firmware 1.74 Download
Original Optiarc AD7540A firmware 1.42 Download
Original Optiarc AD7540A firmware 1.D0 Download
Original Optiarc AD7540A firmware 1.01 Download
Original Optiarc AD7543A firmware 1-00 Download

Overview on the used writing strategies

Please note that flashing these drives will currently not work in UDMA 4 mode. Please use PIO mode instead. Not doing so may result in an "Error submitting checksum" error message.

NEC released tools for changing these drives between Normal ATA (master) and Reverse ATA (slave) mode.

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