Microsoft KB Archive/69829

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Running Windows in Enhanced Mode with Tandy 4000 with SCSI

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Q69829

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The information in this article applies to:


 * Microsoft Windows versions 3.0, 3.0a

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SUMMARY
Tandy Corporation recommends the following settings to run Microsoft Windows 3.0 in 386 enhanced mode on a Tandy 4000 computer with a SCSI hard drive:

  The /b- switch should be used when loading SMARTDrive in the CONFIG.SYS file. Most of the SCSI hard drives with Tandy 4000 computers have Adaptec controllers. The /b- switch turns off double buffering.

NOTE: The /b- switch would come after the Normal and Minimum Cache size settings. An example of this is: Device=C:\Windows\Smartdrv.Sys 2048 1024 /B-   The line for HIMEM.SYS must be the first device line in the CONFIG.SYS file: Device=C:\Himem.Sys   The following line must be added to the [386Enh] section of the SYSTEM.INI: VirtualhdIrq=False 

MORE INFORMATION
If the ROM BIOS for the SCSI hard drive is version 2.0, 2.0c or earlier, then the device driver SCSIHA.SYS must be loaded through the CONFIG.SYS file. This is needed for proper operation in enhanced mode. If the ROM BIOS is version 4.05s, 5.05s, or later, then no additional device driver needs to be loaded.

For further information on SCSI-type drive and controllers, query on:

"Windows and Adaptec and SCSI" The Tandy products included here are manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

Additional query words: 3.00 3.0 3.0a 3.00a KBHW 3rdparty

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Issue type :

Technology : kbWin3xSearch kbWin300 kbWin300a