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SEMS4.SYS Suntac Chips Expanded Memory Proble |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Symptoms: The customer has just over 3M of expanded memory and a Super 286 Baby Main Board. The EMS driver is called SEMS4.SYS. The driver is supposed to be compatible with LIM 4.0. If the customer uses the /NE or /32 startup options with WordPerfect, it works fine. WPINFO shows that the SEMS4.SYS thinks that it emulates LIM 4.0. If the customer doesn't use the /NE or /32, WP locks. Another customer using SEMS4.SYS is unable to print a complete document. The printer prints parts of some documents, but will not print a full document correctly. Solutions: The situations described here are typical of many of the less-well-known EMS drivers. They report (to WP and WPINFO) that they are LIM 4.0, but either don't implement all the 4.0 functions or implement them incorrectly. This is exactly the situation that the /32 switch was designed to alleviate, since that switch forces WP to use only LIM 3.2 functions. The /32 startup option will probably correct the problem with Suntac 4.0 emulators. If you get any more calls on Suntac EMS drivers please send the latest interim release and have the customer try the /32 startup option. Also, suggest to the customer not even to attempt to use the earlier 3.2 version of SEMS.SYS since it is known to not work. |
Answer:
Details:
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