Driver Details

TSST TS-L633B 12.7 SATA Trayload 8X DVDRW, v.D400, A02

This is a Windows/DOS based firmware flash utility for TS-L633B.

Fixes & Enhancements

Firmware update to improve compatibility with Dell Diags.


Version D400, A02


Removable Storage

Release date

18 Jun 2009

Last Updated

03 Nov 2011


Available formats

File Format:Hard-Drive
Download Type:HTTP
File Size: 1 MB
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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By downloading, you accept the terms of the Dell Software License Agreement.

Supported Operating Systems
Windows Vista, 32-bit
Windows Vista, 64-bit
Windows XP
Windows XP, 64-bit
Installation instructions
Custom Instructions for

Windows based firmware flash update for TSST TS-L633B slim 8x DVD+/-RW:-

1. Download and unzip the into your desktop.
2. In "TS-L633B_D400" folder, please search for the "windows" folder.
3. In "Windows" folder, please make sure you have the administrator right, and double click on "TSDNWIN.exe"
4. On the flash utility screen, click on "Search" button and search and click on L633BD400.BIN" and "Open" it.
5. Click on "Download" button.
6. Just wait for the firmware update completion, you should see "Update Successful".
7. Windows must restart to complete this operation, please save all work and close all applications prior to restarting Windows. Click on "Restart Windows".

DOS based firmware flash update for TSST TS-L633B slim 8x DVD+/-RW:-

1. Unzip the into your USB key.
2. In "Dos" folder, just type "TSDNDOS.EXE L633BD400.BIN".
3. Just wait for the firmware update completion, you should see "UPDATE SUCCESSFUL" (At this time please reboot your computer) !!

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Video Tutorials

Using the Latest Device Drivers (00:02:05)
Learn more about device driver software, how to check current driver versions, and use Dell's support website to download and install the latest driver versions. Closed captions available in many languages.

Drivers help and tutorials

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 applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).