Expanded Memory Hanging With 5.1

DocumentID: 649949
Revision Date: 29-Feb-96 8:19:39 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Solutions: I had a call from a gentleman using WP 5.1 and expanded memory. While entering 5.1 his computer would beep and then lock as soon as WP came up. This happened with expanded memory called Above Disk version 2. He also had a Suntac/M62 chip set for 286 that uses SEMS4 Memory Manager software version 1B. With this, he could get in to 5.1 but would eventually hang. They are both LIM standards. Booting up without either expanded memory, 5.1 would work fine. He also had 5.0 and it would work fine with either driver. We tried /R with Above Disk and the computer would do print screens while entering WP and then lock. He did not want WP to access expanded memory at all so we tried /NE and he was able to use WP successfully with the expanded memory drivers loaded. According to development Above Disk has known problems and is not currently a certified Expanded Memory Manager. It will support 3.2 LIM fully; but, the Above Disk program reports to any other programs (WP in this case) that it is version 4.0. So, WP tries to use 4.0 and the machine will lock up. Also, SEMS4 has not been tested with 5.1. Presently we do not have it in-house. It is suspected that it does not fully support LIM 4.0 (same problem as Above Disk) but it may be something else.

Answer:

Details:

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