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

Everything about Optiarc AD7590A,AD7591A and AD7593A firmwares

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The DVD Burner Optiarc AD-7590A was released in January 2008. The Optiarc AD7593 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 7593 firmware on an Optiarc 7590 drive or vice versa. This will NOT work. Click here for detailed specifications of the Optiarc AD7590A.

The following firmwares are available for download here:

Firmware version Download
Optiarc AD-7590A Firmware 1.V1 Download
Optiarc AD-7590S Firmware 1.7b Download
Optiarc AD-7590S Firmware 1.J0 Download
Optiarc AD-7590S Firmware 1.FM Download
Sony DRX-S70U Firmware 1.D6 Download
Sony DRX-S70U Firmware 1.D4 Download
Original Optiarc AD7590A firmware 1.41 Download
AD-7593S Firmware 1.00 Download
AD-7593A Firmware 1.05 Download
AD-7593A Firmware 1.04 Download
AD-7593A Firmware 1.02 Download
AD-7590A Firmware 1.05 Download
AD-7590A Firmware 1.04 Download
AD-7590S Firmware 1.02 Download
AD-7590S Firmware 1.01 Download
Original Optiarc AD7590A firmware 1.01 Download

Overview on the used writing strategies

Optiarc have provided a tool for changing the drive's ATA mode.
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