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中国DOS联盟论坛 » DOS启动盘 & LOGO技术 （启动盘室） » About ROMDISK View 2,754　Replies 32
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Original Poster Posted 2003-06-26 00:00　·　 中国 湖北 随州 电信
yiyesong
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Everyone has used RAMDISK software on boot disks, right? That is, using memory to simulate a virtual disk.
So has anyone ever thought of using ROM (EPROM, FLASHROM), that chip used by the BIOS (besides the BIOS, there is still a lot of free space), to simulate a virtual disk?
There is a piece of software that can do this. ROMD-BIN. This is a foreign university student's graduation project. It can use ROM to simulate a virtual disk up to 128K, with the drive letter B:. It can use the DRVIEB command to modify the MBR and turn the ROM virtual disk into a boot disk. Unfortunately, after I restarted, that disk disappeared, let alone booting from it.
Later I found another tool, MAKEROM. This one is even more amazing: it can make a small operating system into an image file, then use two small tools to FLASH that image file into your ROM on M6117D or Vortex86 serials. If this function can be achieved, that would be incredible—you could boot the computer without any drive at all. What M6117D and Vortex86 are, I'm not too sure, but when I tried to FLASH it, it said my computer didn't have those two things.
I once tried to implement this function on my boot disk, and in the end I failed. I hope the experts can study this problem together. I believe it is even more challenging.
http://dos.e-stone.cn/dosbbs
uploadImages/200311161145850422.swf
Floor 2 Posted 2003-06-26 00:00　·　 中国 香港
Roy
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You're talking about this one, right.....open attachment
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Floor 3 Posted 2003-06-26 00:00　·　 中国 北京 科技网
hunome
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Following this with great interest!
Floor 4 Posted 2003-06-26 00:00　·　 中国 湖北 随州 电信
yiyesong
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The following is quoted from Roy's post at 2003-6-26 15:04:40:
You're talking about this one, right.....open attachment


Right, ROY, MAKEROM is the one you mentioned, but you can't just provide the software, can you? I'm looking forward to your opinion.
http://dos.e-stone.cn/dosbbs
uploadImages/200311161145850422.swf
Floor 5 Posted 2003-06-26 00:00　·　 中国 湖北 随州 电信
yiyesong
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This is romd-bin:

open attachment
http://dos.e-stone.cn/dosbbs
uploadImages/200311161145850422.swf
Floor 6 Posted 2003-06-26 00:00　·　 中国 浙江 杭州 华数宽带
zist
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Got a website?
Floor 7 Posted 2003-06-26 00:00　·　 中国 湖北 武汉 电信
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Is there any more detailed documentation?
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Floor 8 Posted 2003-06-26 00:00　·　 中国 浙江 杭州 华数宽带
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>>but when I FLASHed it, it said my computer didn't have those two things
http://www.dmp.com.tw/tech/makerom/
Floor 9 Posted 2003-06-27 00:00　·　 中国 辽宁 沈阳 联通
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我是女孩，我怕谁？
Floor 10 Posted 2003-06-27 00:00　·　 加拿大 安大略省 多伦多
Wengier
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I think this is so complicated and so dangerous~~ I'm not interested.。。
Wengier - 新DOS时代

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Floor 11 Posted 2003-06-27 00:00　·　 中国 湖北 随州 电信
yiyesong
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http://dos.e-stone.cn/dosbbs
uploadImages/200311161145850422.swf
Floor 12 Posted 2003-06-27 00:00　·　 中国 湖北 武汉 硚口区 电信
如是大师
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Let's solve that a: problem later... right now the issue is how to virtualize it in the BIOS... yys, put some more effort into it...
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明月鹭鸟飞， 芦花白马走。
我自一过后，野渡现横舟。
青云碧空在，净瓶水不流。
http://dos.e-stone.cn/guestbook/index.asp
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Floor 13 Posted 2003-06-27 00:00　·　 中国 湖北 随州 电信
yiyesong
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Not the BIOS—the extra part of the ROM that holds the BIOS. If it were virtualized inside the BIOS, that really would be suicide.
http://dos.e-stone.cn/dosbbs
uploadImages/200311161145850422.swf
Floor 14 Posted 2003-06-28 00:00　·　 中国 山东 济南 广电网
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In theory it should be possible. BIOS chips nowadays are all 2M, and some are 4M. What is actually used is only about 256K, and a large part is idle. If it were really put to use, a lot of things could be done with it, not just booting~~~

I support Brother YYS in trying this. I don't have a suitable machine to experiment on, otherwise I could try it together with you~~~
Floor 15 Posted 2003-06-28 00:00　·　 中国 黑龙江 哈尔滨 联通
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It seems like Jebo's Restore Wizard, right! And Lenovo's Recovery Wizard too, both write files into the BIOS, and OEM XP also writes files into the BIOS. Looks like everyone is paying attention to this treasure trove, the BIOS! Isn't it possible to write the entire boot disk files, that is the *.img file, into the BIOS? Then use a piece of software to have the BIOS read that img when it starts! This way a lot of software could be put into the BIOS, and for our current DOS technology this would be a development!
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