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		<id>https://ess-wiki.advantech.com.tw/wiki/index.php?action=history&amp;feed=atom&amp;title=Erase_eMMC</id>
		<title>Erase eMMC - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://ess-wiki.advantech.com.tw/wiki/index.php?action=history&amp;feed=atom&amp;title=Erase_eMMC"/>
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		<updated>2026-05-19T15:37:01Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.28.3</generator>

	<entry>
		<id>https://ess-wiki.advantech.com.tw/wiki/index.php?title=Erase_eMMC&amp;diff=37140&amp;oldid=prev</id>
		<title>Jems.cheng at 04:03, 23 October 2024</title>
		<link rel="alternate" type="text/html" href="https://ess-wiki.advantech.com.tw/wiki/index.php?title=Erase_eMMC&amp;diff=37140&amp;oldid=prev"/>
				<updated>2024-10-23T04:03:42Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
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				&lt;tr style='vertical-align: top;' lang='en'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 04:03, 23 October 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;RSB-3720 16G eMMC:&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc list&amp;lt;/div&amp;gt; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc list&amp;lt;/div&amp;gt; &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;FSL_SDHC: 1 (SD)&amp;lt;br/&amp;gt; FSL_SDHC: 2&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;FSL_SDHC: 1 (SD)&amp;lt;br/&amp;gt; FSL_SDHC: 2&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jems.cheng</name></author>	</entry>

	<entry>
		<id>https://ess-wiki.advantech.com.tw/wiki/index.php?title=Erase_eMMC&amp;diff=37139&amp;oldid=prev</id>
		<title>Jems.cheng: Created page with &quot;&lt;div style=&quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&quot;&gt;u-boot=&gt; mmc list&lt;/div&gt;  FSL_SDHC: 1 (SD)&lt;br/&gt; FSL_SDHC: 2 &lt;div style=&quot;background:#eeeeee;border:1px...&quot;</title>
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				<updated>2024-10-23T04:02:54Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc list&amp;lt;/div&amp;gt;  FSL_SDHC: 1 (SD)&amp;lt;br/&amp;gt; FSL_SDHC: 2 &amp;lt;div style=&amp;quot;background:#eeeeee;border:1px...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc list&amp;lt;/div&amp;gt; &lt;br /&gt;
FSL_SDHC: 1 (SD)&amp;lt;br/&amp;gt; FSL_SDHC: 2&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc dev 2 0&amp;lt;/div&amp;gt; &lt;br /&gt;
switch to partitions #0, OK&amp;lt;br/&amp;gt; mmc2(part 0) is current device&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc part&amp;lt;/div&amp;gt; &lt;br /&gt;
Partition Map for MMC device 2 &amp;amp;nbsp;-- &amp;amp;nbsp; Partition Type: DOS&lt;br /&gt;
&lt;br /&gt;
Part &amp;amp;nbsp; &amp;amp;nbsp;Start Sector &amp;amp;nbsp; &amp;amp;nbsp;Num Sectors &amp;amp;nbsp; &amp;amp;nbsp; UUID &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;Type&amp;lt;br/&amp;gt; &amp;amp;nbsp; 1 &amp;amp;nbsp; &amp;amp;nbsp; 16384 &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; 131072 &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;e1f87b96-01 &amp;amp;nbsp; &amp;amp;nbsp; 0c Boot&amp;lt;br/&amp;gt; &amp;amp;nbsp; 2 &amp;amp;nbsp; &amp;amp;nbsp; 147456 &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;30629888 &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;e1f87b96-02 &amp;amp;nbsp; &amp;amp;nbsp; 83&amp;lt;br/&amp;gt; &amp;amp;nbsp; 3 &amp;amp;nbsp; &amp;amp;nbsp; 4341760 &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; 20480 &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; e1f87b96-03 &amp;amp;nbsp; &amp;amp;nbsp; 83&amp;lt;br/&amp;gt; &amp;amp;nbsp; 4 &amp;amp;nbsp; &amp;amp;nbsp; 4362240 &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; 24997888 &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;e1f87b96-04 &amp;amp;nbsp; &amp;amp;nbsp; 05 Extd&amp;lt;br/&amp;gt; bad MBR sector signature 0x0000&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc read ${loadaddr} 0x7fffffff 1&amp;lt;/div&amp;gt; &lt;br /&gt;
MMC read: dev # 2, block # 2147483647, count 1 ... MMC: block number 0x80000000 exceeds max(0x1d5a000)&amp;lt;br/&amp;gt; 0 blocks read: ERROR&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc erase 0 0x1d5a000&amp;lt;/div&amp;gt; &lt;br /&gt;
MMC erase: dev # 2, block # 0, count 30777344 ... 30777344 blocks erased: OK&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc dev 2 1&amp;lt;/div&amp;gt; &lt;br /&gt;
switch to partitions #1, OK&amp;lt;br/&amp;gt; mmc2(part 1) is current device&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc read ${loadaddr} 0x7fffffff 1&amp;lt;/div&amp;gt; &lt;br /&gt;
MMC read: dev # 2, block # 2147483647, count 1 ... MMC: block number 0x80000000 exceeds max(0x2000)&amp;lt;br/&amp;gt; 0 blocks read: ERROR&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc erase 0 0x2000&amp;lt;/div&amp;gt; &lt;br /&gt;
MMC erase: dev # 2, block # 0, count 8192 ... 8192 blocks erased: OK&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc dev 2 2&amp;lt;/div&amp;gt; &lt;br /&gt;
switch to partitions #2, OK&amp;lt;br/&amp;gt; mmc2(part 2) is current device&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc read ${loadaddr} 0x7fffffff 1&amp;lt;/div&amp;gt; &lt;br /&gt;
MMC read: dev # 2, block # 2147483647, count 1 ... MMC: block number 0x80000000 exceeds max(0x2000)&amp;lt;br/&amp;gt; 0 blocks read: ERROR&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc erase 0 0x2000&amp;lt;/div&amp;gt; &lt;br /&gt;
MMC erase: dev # 2, block # 0, count 8192 ... 8192 blocks erased: OK&lt;br /&gt;
&amp;lt;div style=&amp;quot;background:#eeeeee;border:1px solid #cccccc;padding:5px 10px;&amp;quot;&amp;gt;u-boot=&amp;gt; mmc part&amp;lt;/div&amp;gt; &lt;br /&gt;
Partition Map for MMC device 2 &amp;amp;nbsp;-- &amp;amp;nbsp; Partition Type: DOS&lt;br /&gt;
&lt;br /&gt;
Part &amp;amp;nbsp; &amp;amp;nbsp;Start Sector &amp;amp;nbsp; &amp;amp;nbsp;Num Sectors &amp;amp;nbsp; &amp;amp;nbsp; UUID &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;Type&amp;lt;br/&amp;gt; bad MBR sector signature 0x0000&amp;lt;br/&amp;gt; u-boot=&amp;gt;&lt;/div&gt;</summary>
		<author><name>Jems.cheng</name></author>	</entry>

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