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Problems about Toshiba T5100 with Windows

This document describes the method to solve issues on Toshiba T5100.

By Ryan on August 16, 2009



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If you run Toshiba DOS 5.0 and Microsoft Windows 3.1 on the Toshiba T5100 laptop, you may experience the following problems:

  • The machine reboots when trying to run Windows.
  • The machine stops responding (hangs) when entering Windows.

Cause of the problems

You are using the Windows versions of HIMEM.SYS and SMARTDRV.SYS.

Steps to solve these problems
  1. Use the HIMEM.SYS driver that ships with Toshiba DOS 5.0 (rather than the one that comes with Windows).

  2. Following steps 1 through 3 in the "T5100 and Windows 3.0" section below:
    1. Run the file TEST3.EXE from the MS-DOS command prompt. This program is on the Diagnostics disk included with the T5100.
    2. After running TEST3.EXE, choose zero for Setup. Select Expanded Memory, then use the down arrow keys to select All Extended No Expanded Memory.
    3. Choose Negative for the Fast ROM option.


Using the Windows Select Feature

To properly use the Select feature on the T5100 with Windows 3.0, you need to select a 101-key keyboard. The Select feature (SHIFT+ARROW, SHIFT+HOME, SHIFT+END, SHIFT+PGUP, SHIFT+PGDN) allows you to select large blocks of text in Windows-based applications.

To enable this feature on a T5100, do the following:

  1. Set up the machine for a 101-key keyboard by running TEST3.EXE on the Toshiba Diagnostics disk.
  2. Choose 0 for SETUP and change the keyboard from 84 to 101 keys.
  3. Exit and save the changes.
  4. Install Windows and choose "Enhanced 101- or 102-key US and Non-US keyboards" as the keyboard type.
NOTE: If you have already installed Windows, run the Windows Setup program and select "Enhanced 101- or 102-key US and Non-US keyboards" as the keyboard type.

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