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中国DOS联盟论坛 » DOS疑难解答 & 问题讨论 (解答室) » [Help] How can I use the monochrome memory area as UMB in real mode? View 1,308 Replies 9
Original Poster Posted 2003-03-02 00:00 ·  中国 广东 江门 新会区 电信
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I need to use this part of memory. Please help me—what software should I use, where can I get it, and how should I set it up? Please enlighten me, experts!
Floor 2 Posted 2003-03-03 00:00 ·  中国 广东 佛山 禅城区 电信
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Just add the relevant parameters and address when loading emm386.exe. But I can't find any related documentation at the moment.
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Floor 3 Posted 2003-03-03 00:00 ·  中国 香港 香港教育大学
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B000 to B7FF is all monochrome memory area
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Floor 4 Posted 2003-03-04 00:00 ·  美国 肯塔基州 费耶特县 列克星敦 Charter_Communications
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The EMM386.EXE line in my CONFIG.SYS is like this:

DEVICE=EMM386.EXE NOEMS NOVCPI I=B200-B7FF

Because using the area between B000-B200 may cause system instability, I didn't use it, only B200-B7FF.
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Floor 5 Posted 2003-03-07 00:00 ·  中国 广东 江门 电信
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It is said that using EMM386.EXE will make the system enter protected mode, and ordinary programs run in virtual x86 mode, affecting performance, so I want to use UMB in real mode.
Floor 6 Posted 2003-03-07 00:00 ·  美国 肯塔基州 费耶特县 列克星敦 Charter_Communications
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That's right, use UMBPCI, a very powerful and practical real-mode UMB program. It's included in all of the MS-DOS 7.10 boot disks we made. For specific usage, please see the related introduction on the website.
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Floor 7 Posted 2003-03-09 00:00 ·  中国 广东 江门 江海区 电信
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I used UMBPCI, but the UMB I got is less than 70K, so I want to supplement it with the monochrome memory area, but I don't want the system to enter protected mode. What should I do?
Floor 8 Posted 2003-03-09 00:00 ·  中国 浙江 宁波 联通
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device=C:\Umbpci.sys /i=cc00-efff

This should work, right?


Floor 9 Posted 2003-03-16 00:00 ·  中国 广东 江门 新会区 电信
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On my machine this setting will crash the system; only using its detected values (D400-DFFF,EC00-EFFF) works normally. I wonder if there is any software that can manage the monochrome memory area in real mode? Also, HIRAM.EXE crashes on my machine (running it at the prompt is fine, but using it in Config.sys makes it crash). I don't know what parameters it has, so I can try setting it. In addition, on my machine Cloaking.exe version 2.01 absolutely refuses to stay resident in UMB, while the 1.x version in the moderator's boot disk cannot stay resident. My machine specs:
Celeron4 1.7G,Acorp 4D845G motherboard, no floppy drive, using a flash drive as USB-HDD boot, MS-DOS7.10
Floor 10 Posted 2003-03-16 00:00 ·  加拿大 安大略省 多伦多
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Maybe software like HIRAM doesn't have very good compatibility with some computers. Unfortunately I don't have that hardware to test. Because on my computer, everything runs normally.
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