Toshiba BIOS Portege R400-S4831 Driver Download (Official)

Toshiba Drivers

The BIOS Portege R400-S4831 is a common computer motherboard manufactured by Toshiba. Update now to fix problems such as frequent crashing, computer shuts off unexpectedly, no audio or no video, or a blank screen on start up. This driver - "pr400v14.exe" - has been downloaded 29 times and is rated 5 out of 5 stars based on 11 reviews. The uploader reports that this update will work successfully on PCs running Windows Vista and Windows XP. The total disk space used for this update is 3.9 MB.

11 Ratings
29 Downloads

Supported Models

BIOS Portege R400-S4831

BIOS Portege R400-S4832

BIOS Portege R400-S4833

BIOS Portege R400-S4834

BIOS Portege R400-S4835

BIOS Portege R400-S4931

BIOS Portege R400-S49311

Manufacturers

Toshiba

Supported Operating Systems

Windows Vista, Windows XP

File Name

Versions

1.4 (28-Feb-2007)

Additional Notes

Portege R400-S4834

ACPI Flash BIOS version 1.40

Change History Version 1.40    02-28-2007 Implemented Intel chipset requirements for improved graphics SDVO stability. Modified: When the system memory is 1GB or more in Vista up to 256MB can be used as Video RAM requires display driver update. Version 1.30    01-26-2007 Initial production BIOS for Portege R400/R405.

Uploaded By

Kesavan (DG Staff Member) on 5-Mar-2007

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
1468d14.exe 744.7 KB 28 Feb 2007
1468d14.exe/1468D14.IMA 1.5 MB 28 Feb 2007
bio0049t.com 444.2 KB 15 Feb 2007
chgbiosa.exe 28.6 KB 9 Aug 2006
dskprog 171 bytes 10 Jan 2003
guiprog 169 bytes 10 Jan 2003
isocdrom.txt 2.3 KB 28 Feb 2007
launcher.exe 669.1 KB 22 Jul 2005
launcher.ini 695 bytes 28 Feb 2007
p0049v140.exe 1.5 MB 15 Feb 2007
p0049v140.exe/BIO0049T.COM 444.2 KB 15 Feb 2007
p0049v140.exe/BIOSUPD2.INI 34 bytes 7 Nov 2006
p0049v140.exe/CHGBIOS2.VXD 6.3 KB 11 Jul 2001
p0049v140.exe/CHGBIOSA.EXE 28.6 KB 9 Aug 2006
p0049v140.exe/CLEAN2.REG 134 bytes 7 Nov 2001
p0049v140.exe/INSTALL2.EXE 827.9 KB 7 Nov 2006
p0049v140.exe/MESSAGE.EXE 121.9 KB 7 Nov 2006
p0049v140.exe/TBDECODE.DLL 49.2 KB 21 Feb 2006
p0049v140.exe/TBIOSUP.DLL 86.0 KB 31 Aug 2006
p0049v140.exe/TCHGBIOSInfo.dll 53.2 KB 21 Feb 2006
p0049v140.exe/TSCIEX.dll 24.6 KB 30 Oct 2002
p0049v140.exe/TosPwChk.dll 470.0 KB 8 Jan 2004
p0049v140.exe/TosPwChk.lng 5.3 KB 17 Nov 2003
p0049v140.exe/install2.exe.manifest 974 bytes 31 Aug 2006
p0049v140.exe/nchgbios2.exe 229.4 KB 21 Feb 2006
p0049v140.exe/nchgbios2.sys 3.6 KB 21 Feb 2006
p0049v140.exe/nchgbios2NT.sys 11.7 KB 25 Dec 2002
p0049v140.exe/nchgbios2svc.exe 49.2 KB 21 Feb 2006
p0049v140.exe/tosclean2.bat 2.4 KB 31 Aug 2006
p0049v140.exe/tosclean2.pif 967 bytes 7 Nov 2001
p0049v140.exe/toscleanAUTO2.bat 2.4 KB 7 Nov 2006
p0049v140.exe/toscleanSMS2.bat 2.4 KB 7 Nov 2006
p0049v140.exe/tosntclean2.bat 2.6 KB 31 Aug 2006
p0049v140.exe/tosntcleanAUTO2.bat 2.7 KB 7 Nov 2006
p0049v140.exe/tosntcleanSMS2.bat 2.6 KB 7 Nov 2006
p0049v140.exe/tsccall.dll 213.0 KB 19 Mar 2005
pr400v14.iso 1.6 MB 28 Feb 2007
readme.com 17.1 KB 28 Feb 2007
readme.txt 14.8 KB 28 Feb 2007

How to Update BIOS Portege R400-S4831 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the BIOS Portege R400-S4831 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 Toshiba BIOS Portege R400-S4831 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 Toshiba Driver Update Utility. 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 11, 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.

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