Talk:DOS Protected Mode Services

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DPMI / DPMS[edit]

What is the difference between them? Is one the precondigion of the other? I am confused. --RokerHRO (talk) 15:36, 11 September 2011 (UTC)

DPMS and DPMI serve different purposes. If you want to write extended DOS applications, use DPMI (or a DOS extender built on top of it). If, however, you want to write a DOS device driver or TSR, consider utilizing DPMS to significantly reduce its conventional memory footprint (when loaded on 286+ machines) so that there will be more free memory left either for (non-extended) DOS applications or other drivers to run, or simply to have more free system resources under a multitasker such as Windows. DPMS and DPMI can coexist, but do not depend on each other. --Matthiaspaul (talk) 19:12, 11 September 2011 (UTC)
Fine, thank you for your answer. But I think it should be answered in the article, shouldnt' it? ;-) --RokerHRO (talk) 16:04, 13 September 2011 (UTC)