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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 to determine the U disk drive letter and USB mobile hard disk drive letter under pure DOS? View 2,864　Replies 7
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Original Poster Posted 2009-08-23 05:55　·　 中国 黑龙江 哈尔滨 电信
rrffvv
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I've been wanting to find a tool similar to findcd that can identify the USB flash drive drive letter and the mobile hard drive drive letter with USB interface from many drive letters under pure DOS (without making file marks in the USB flash drive or mobile hard drive in advance). Can batch processing or tools under pure DOS achieve such a function?

Also, I want to know what aspects of knowledge are needed to develop a similar tool like findcd?
Please help from the experts, thanks a lot!

[ Last edited by rrffvv on 2009-8-23 at 16:22 ]
Floor 2 Posted 2009-08-24 23:20　·　 中国 河北 保定 联通
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If the BIOS does not provide this function or there is no universally accepted standard in the industry, it may be very difficult to achieve.
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Floor 3 Posted 2009-08-27 04:40　·　 中国 黑龙江 哈尔滨 电信
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So is there any way to distinguish between a normal hard drive and a USB mobile hard drive drive letter? Thanks.
Floor 4 Posted 2009-08-27 04:55　·　 德国 马克斯-普朗克等离子物理研究所
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If BIOS supports USB boot, then in DOS, there is no difference between a USB hard drive and a local hard drive
Floor 5 Posted 2009-11-09 19:22　·　 中国 上海 虹口区 电信
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The LZ can mark the volume label of the mobile hard disk. Otherwise, it will be recognized as the local disk in DOS (pure DOS) as well.
Floor 6 Posted 2009-12-01 11:27　·　 中国 广东 中山 电信
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通过USB设备ID（设备类别）
http://www.mydigit.cn/chipgenius.htm 可能有助于你建立概念性想法。
Floor 7 Posted 2009-12-07 16:26　·　 中国 四川 绵阳 电信
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The person upstairs is really interesting, they got someone into Windows haha:)
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Floor 8 Posted 2009-12-10 09:14　·　 中国 广东 中山 电信
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Originally posted by xuantian at 2009-12-7 16:26:
楼上真有意思,给人家整进 windows 去咯:)


I meant the info from the tool could help you build your conceptual idea.
Not the tool itself.
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