Microsoft KB Archive/88758

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AMI BIOS May Need to Be Upgraded for IDE Hard Drive

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Q88758

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The information in this article applies to:


 * Microsoft Windows versions 3.0, 3.0a, 3.1, 3.11
 * Microsoft MS-DOS operating system versions 3.1, 3.2, 3.21, 3.3, 3.3a, 4.0, 4.01, 5.0, 5.0a, 6.0, 6.2, 6.21

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SYMPTOMS
American Megatrends Inc. (AMI) has confirmed that its BIOS dated earlier than 4/9/90 may have problems with IDE hard drives.

These problems may be seen when booting the computer and receiving a

NON SYSTEM DISK

error, or when running Microsoft Windows in 386 enhanced mode and experiencing momentary hangs (lasting 5 to 10 seconds) that may adversely affect currently running programs. The problems are caused by IDE hard drives not following the AT bus standard.

RESOLUTION
Contact AMI and obtain a BIOS dated 4/9/90 or later.

MORE INFORMATION
AMI technical support also recommends a BIOS dated later than 9/1/87 to function correctly with Windows 3.0.

To determine the AMI BIOS date, examine the 16-digit identification displayed near the bottom of the screen when the machine is started. For example, in the following ID

"DAMI 3601 092588 K8" the digits &quot;092588&quot; specify the BIOS date.

The AMI products included here are manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: 3.00 3.00a 3.10 3.11 3.20 3.21 3.30 3.30a 4.00 4.01 4.01a 5.00 5.00a 6.00 6.20 6.21 3rdparty

Keywords :

Issue type :

Technology : kbWin3xSearch kbWin300 kbWin300a kbWin310 kbWin311 kbMSDOSSearch kbMSDOS321 kbMSDOS400 kbMSDOS320 kbMSDOS330a kbMSDOS621 kbMSDOS620 kbMSDOS600 kbMSDOS310 kbMSDOS500 kbMSDOS330 kbMSDOS401 kbMSDOS500a