Explanation Of Three Settings WP 5.1 DOS Uses

DocumentID: 636050
Revision Date: 29-Feb-96 3:04:05 PM

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

Problem

Symptoms: The customer is having a problem with the settings that WordPerfect 5.1 for DOS uses under OS/2 2.0 when WP is migrated. Solutions: The following is an explanation of the three settings the customer most wanted to know about: IDLE_SENSITIVITY is used to set a threshold for judging when an application is idle. It can be set from 0-100 representing a reduced percentage of processor time allocated to an idle application. A setting of 100 allows the application to retain full processor control for as long as it needs. Idle_Sensitivity should be set just below the polling frequency of the monitored application. IDLE_SECONDS is used to set the amount of time the operating system waits before applying idle detection processing. It can be set between 0-60 seconds. Idle_Seconds be set at 0 seconds to take full advantage of idle detection processing. EMS_MEMORY_LIMIT is set to take full advantage of expanded memory for an application compared with the actual expanded memory available on the machine running OS/2. For example if the customer has 6M of memory but Ems_Memory_Limit is set at 2M, the customer may want to increase the limit to take further advantage of available expanded memory. Although WPCorp doesn't recommend changing any of the default DOS settings, changing them will not cause problems for the customer's system. If the customer experiences poor performance in a certain area, adjusting these and other settings can help to optimize the performance of applications including WordPerfect products. NOTE: Customers using OS/2 2.0 can monitor processor use (helpful in determining Polling Frequency for single applications) by starting the PULSE application from the productivity folder that comes with OS/2. NOTE: Polling means that an application is repeatedly checking for input. If the program does no other processing while polling, it wastes time that other programs can apply more productively. In idle detection processing, the operating system compares the polling rate of a program to a predetermined maximum.

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