Because the predecessors of IBMMemoryThinks are too simple.So,system memoryThere is a 640K barrier. It can only support basic dos and general commands. With the rapid development of the IT industry, 640K memory can no longer meet the demand. Therefore, in order to break this shackle and seek more space than 640K basic memory, HImem.sys was born
software function
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Himem.sys is a memory management software that can be loaded into theUpper memoryThe EMM386.exe program is used in conjunction with the UMB program.He mainly calls internal free fragments between 640K and 1024KMemory。
Scope of application
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MicrosoftIn the developed DOS system, in the win system.
To start 9x series Windows, it must be located in the WIndows directory and the version must be consistent.
IfConfig.sysIf the file is directly loaded in, WIndows will not load it anymore. It will load the file according to the path specified in Config.sys. You can also check whether the file is loaded in Config.sys.
