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中国DOS联盟论坛 The time now is 2026-08-12 13:58 |
47,811 topics / 349,897 posts / today 0 new / 48,256 members |
| DOS学习入门 & 精彩文章 （教学室） » What requirements does DOS have for io.sys;msdos.sys at startup? |
| Printable Version 1,561 / 3 |
| Floor1 yieme | Posted 2003-05-29 00:00 |
| 初级用户 Posts 19 Credits 185 From Jiangsu | |
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When DOS boots, are there any requirements on the location of the io.sys;msdos.sys files?
Do they have to be before some amount of (?) MB space? |
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| Floor2 LanE | Posted 2003-05-29 00:00 |
| 银牌会员 Posts 648 Credits 1,835 | |
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I seem to remember that
early on they were required to be in specific locations, occupying specific entries in the FAT table (seems like the first and second ones maybe); later the requirement was relaxed, and only specific FAT table entries were required, I think. |
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| Floor3 wglwx | Posted 2003-05-30 00:00 |
| 高级用户 Posts 187 Credits 616 | |
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In DOS 6.22 and earlier versions, there are strict requirements.
In DOS 7.0 and later versions, there are no requirements; you can delete them freely and then copy them back into a different location. |
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| Floor4 yieme | Posted 2003-05-30 00:00 |
| 初级用户 Posts 19 Credits 185 From Jiangsu | |
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Thanks
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