HLDS GSA-T21N 12.7 tray IDE DVD+/-RW, v.A103, A02

1) This contains both Windows and DOS based firmware flash utility update for HLDS GSA-T21N 12.7 tray IDE DVD+/-RW.
2) Please close other applications before updating.
3) While the firmware is updating, please don't turn off the computer.
4) Please reboot the computer after the firmware update is completed.

Windows based firmware flash utility update:
1. Left click on "GSAT21NA103.exe", the firmware pf the drive will be updated to a newer version. The target drive should be HL-DT-ST DVD+-RW GSA-T21N.
2. Please close other applications before updating and click on the “UPDATE” button.
3. Now updating in progress. It takes a few minutes. Don’t turn off the PC.
4. Updating was completed successfully. Please reboot the PC and click on the “REBOOT” button.

DOS based firmware flash utility update:
1. Please unzip all the files in your DOS_A103.zip into a bootable USB key.
2. Boot up your system with a USB key in DOS.
3. Type DOSA103.BAT and answer “y” if you want to download the firmware.
4. Now updating in progress. It takes a few minutes.
5. FW Update Complete.