Toshiba BIOS Satellite M20-S257 Driver Download (Official)

11 Ratings

Supported Models

BIOS Satellite M20-S257 Driver

BIOS Satellite M20-S258 Driver

Version 1.90 Driver



Supported Operating Systems

Not Applicable

File Name

1m20v19.exe (2.5 MB)

Find Related Drivers

Uploader Notes

ACPI Flash BIOS version 1.90 for Satellite M20-S257

Uploaded By

Andrews (DG Staff Member) on 3-Jun-2004

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
1390d19.exe 656.6 KB 4 Dec 2003
1390d19.exe/1390D19.IMA 1.5 MB 4 Dec 2003
1m20v19.iso 1.6 MB 4 Dec 2003
dskprog 171 bytes 10 Jan 2003
guiprog 169 bytes 10 Jan 2003
isocdrom.txt 2.3 KB 4 Dec 2003
launcher.exe 608.6 KB 30 Jan 2003
launcher.ini 1.5 KB 4 Dec 2003
mc20090.exe 836.6 KB 6 Nov 2003
mc20090.exe/InsydeFlash.exe 262.1 KB 27 Mar 2003
mc20090.exe/UNICOWS.DLL 239.2 KB 31 Jul 2002
mc20090.exe/V190.ROM 524.3 KB 7 Nov 2003
mc20090.exe/fdbase.img 1.5 MB 31 Mar 2003
mc20090.exe/iscflash.dll 61.4 KB 27 Mar 2003
mc20090.exe/iscflash.sys 18.9 KB 6 Dec 2002
mc20090.exe/iscflash.vxd 20.6 KB 11 Nov 2002
mc20090.exe/platform.ini 278 bytes 7 Nov 2003 13.3 KB 4 Dec 2003
readme.txt 11.1 KB 4 Dec 2003

How to Update BIOS Satellite M20-S257 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the BIOS Satellite M20-S257 driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter BIOS Satellite M20-S257 into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for BIOS Satellite M20-S257. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Toshiba website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

This website is not affiliated with Toshiba. All company names/logos are properties of their owners.
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