Article ID: 127138 - View products that this article applies to.
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When you are using a modem on COM4 in Windows 95/98, the modem lights may flash when you move the mouse or when there is any disk or network activity.
Some of the older video chip sets by S3 decode the x2E8 address range incorrectly with the I/O address mapping performed in Windows 95/98. These chip sets include the 801, 805, and 928 versions.
The following video cards are known to cause this behavior:
To correct this behavior, use any one of the following methods:
ARTICLE-ID : 127139
TITLE : Troubleshooting Video Problems in Windows
This problem may not occur with the 964/984, trio/64/32, or 866/868/968 chip sets and does not occur with any newer chip sets released by S3.