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我的Nand Flash检测信息！发现有一坏块，不知道大家有没有这种情况！机型sl-7500C
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hkago



Joined: 24 Mar 2006
Posts: 15

小企鹅: 41
PostPosted: 2006-Apr-08 Sat, am11:42 Reply with quote
 Post subject: 我的Nand Flash检测信息！发现有一坏块，不知道大家有没有这种情况！机型sl-7500C
检测信息如下：
NANDFlash (Full)

checking ecc... OK.
writing all 1...
adr=4000000
Bad Block Num=1
verifying 1...
adr=4000000
Bad Block Num=1
writing all 2...
adr=4000000
Bad Block Num=1
verifying 2...
adr=4000000
Bad Block Num=1
checking number...OK.
success.

好像只有38M能用啊！在刷XROMbeta1的DBK的时候，进度条快到100％出现
file read eror,但是系统还能正常运行！不知道这是什么情况！
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badog
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Joined: 01 Nov 2006
Posts: 1021

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PostPosted: 2006-Apr-08 Sat, pm2:00 Reply with quote
 Post subject:
不能确定,应该是CF卡的问题吧
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hkago



Joined: 24 Mar 2006
Posts: 15

小企鹅: 41
PostPosted: 2006-Apr-08 Sat, pm4:13 Reply with quote
 Post subject: 我用的是SD卡！应该没什么问题！但是检测NAND Flash和卡没关系啊！
NAND Flash有坏块不知道还有多大能用，坏块不知道还会不会扩大！badog
不知道有没有碰到过NAND Flash有坏块的问题啊？
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badog
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Joined: 01 Nov 2006
Posts: 1021

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PostPosted: 2006-Apr-08 Sat, pm6:45 Reply with quote
 Post subject:
几乎每个机器都会有坏块,就象你的CF/SD存贮卡有坏块导致容量永远小于标称值一样.有坏块不影响任何使用.放心吧.
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mikehuang



Joined: 26 Dec 2006
Posts: 21

小企鹅: 597
PostPosted: 2007-Jan-02 Tue, pm12:34 Reply with quote
 Post subject:
badog wrote:
几乎每个机器都会有坏块,就象你的CF/SD存贮卡有坏块导致容量永远小于标称值一样.有坏块不影响任何使用.放心吧.


容量小于标称不是这个原因吧！应该是储存厂商标记容量使用10进值，二操作系统使用2进值吧。也就是说储存厂商所说的1kbit＝1000bit, 而在操作系统里1kbit=1024bit，这就存在差异了
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badog
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Joined: 01 Nov 2006
Posts: 1021

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PostPosted: 2007-Jan-02 Tue, pm6:12 Reply with quote
 Post subject:
当然是了.
1G的卡,容量可能94X~98XM之间,这个数据不是16/10进制造成的误差,而确实是坏道的多少造成的.
当然出厂或格式化时,坏块是被屏蔽掉的
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ryebread



Joined: 13 Nov 2006
Posts: 107

小企鹅: 1836
PostPosted: 2007-Feb-01 Thu, pm11:21 Reply with quote
 Post subject:
我的有六个,应该是被屏蔽掉的
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米迈7500c



Joined: 01 Nov 2006
Posts: 46

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PostPosted: 2008-Jul-03 Thu, pm9:37 Reply with quote
 Post subject:
我的NANDFlash (Full) 得到的是“error~ cannot initial. cade=[2]”
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isnowran



Joined: 27 Jun 2008
Posts: 13

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PostPosted: 2008-Jul-04 Fri, pm12:02 Reply with quote
 Post subject:
我的有16个坏块
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