Microsoft KB Archive/20784

How RAM Memory Is Used in Version 2.x PSS ID Number: Q20784 Article last modified on 01-18-1989 PSS database name: D_MPlan

2.00 2.01

MS-DOS

Question: Why would a Multiplan Version 1.x file not load into a Version 2.x file?

Response: Multiplan Version 2.x is larger than previous versions, leaving less memory for user work space. Multiplan Version 2.x requires 128K RAM minimum with no background software. This requirement should leave about 11 to 12K of work space when using DOS Version 2.10. If you are loading a worksheet from a previous version of Multiplan or a SYLK file, a worksheet can be about 8K to 11K. On a 256K machine, there should be about 108K free for user work space. Earlier versions of DOS take less memory and allow more user work space. Multiplan utilizes a “sparse matrix” algorithm to optimize memory usage. The sparse matrix algorithm allocates memory according to cells that contain data. Empty cells do not have memory allocation; however, formatted cells do take memory. Multiplan Version 2.00 will not run on a 128K (minimum memory) system with a line that reads “FILES=nn” in the CONFIG.SYS file.

Copyright Microsoft Corporation 1989.