Driver Details

HLDS GSA-T21N 12.7 tray IDE DVD+/-RW Firmware Update

This package provides the HLDS GSA-T21N 12.7 tray IDE DVD+/-RW Firmware Update and is supported on Dimension Desktop, Inspiron, Latitude, OptiPlex, Precision, Vostro Notebook and XPS Desktop models that are running the following Operating Systems: Red Hat Enterprise Linux 3, Red Hat Enterprise Linux 4,DOS, XP and Vista.

Fixes & Enhancements

Fixes - Not Applicable Enhancements - Enabled DVD-RAM read & write function


Version A1R1, A03


Removable Storage

Release date

29 Apr 2008

Last Updated

05 Mar 2014



Available formats

File Format:Hard-Drive
Download Type:HTTP
File Size: 2MB
Format DescriptionThis file format consists of an archive of files that may be decompressed to a directory on the hard drive. The installation can then be done from that directory.
To ensure the integrity of your download, please verify the checksum value.
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Supported Operating Systems

Red Hat Ent Linux 3
Red Hat Ent Linux 4
Windows Vista, 32-bit
Windows Vista, 64-bit
Windows XP
Windows XP, 64-bit

Installation instructions

Windows based firmware flash update for HLDS GSA-T21N 12.7 tray IDE DVD+/-RW:- 1. Download and unzip the into your desktop. 2. In "GSA-T21N_A1R1" folder, please search for the "Windows" folder. 3. In "Windows" folder, please make sure you have the administrator right, and double click on "GSAT21NA1R1.exe". 4. The firmware of the drive will be updated to a newer version. The target drive should be HL-DT-ST DVD+-RW GSA-T21N. 5. Please close other applications before updating and click on the "UPDATE" button. 6. Now updating in progress. It takes a few minutes. Don’t turn off the PC. 7. Updating was completed successfully. Please reboot the PC and click on the "REBOOT" button. DOS based firmware flash update for HLDS GSA-T21N 12.7 tray IDE DVD+/-RW:- 1. Unzip the into your bootable USB key. 2. In "DOS" folder, just type "DOSA1R1.BAT" and answer "y" if you want to download the firmware. 3. Now updating in progress. It takes a few minutes. 4. FW Update Completed.

Important Information

1. Please close other applications before updating. 2. While the firmware is updating, please don't turn off the computer. 3. Please reboot the computer after the firmware update is completed. 4. Windows/DOS firmware flash update.
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Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.​

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This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details
Dell recommends the customer review specifics about the update to determine if it applies to your system. The update contains changes that impact only certain configurations, or provides new features that may/may not apply to your environment.