黑苹果之手动关闭 CFG Lock

博主： cokan
发布时间：2025 年 01 月 29 日
9 次浏览
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分类：默认分类好物攻略

工具

主板rom提取工具 BIOS Backup ToolKit
rom查询工具UEFITool
rom转换工具IFR-Extractor
黑苹果GRUB启动项grub-mod-setup_var

提取ROM

2025-01-29T07:17:22.png
用 BIOS Backup ToolKit 程序读取后备份至本地

查询ROM固件

查询关键字
CFG Lock
2025-01-29T07:18:43.png
2025-01-29T07:20:11.png
2025-01-29T07:20:33.png
2025-01-29T07:22:49.png

转换为文本

IFR-Extractor
2025-01-29T07:23:30.png
打开文本文件查询 CFG Lock
2025-01-29T07:24:32.png
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CFG Lock, VarStoreInfo (VarOffset/VarName): 0x503, VarStore: 0x1

DVMT Pre-Allocated配置项目

如上方法可以通过关键字 DVMT 查到DVMT 的修改值
2025-01-29T07:33:54.png
DVMT Pre-Allocated, VarStoreInfo (VarOffset/VarName): 0x7AC, VarStore: 0x1

查询到

0x503就是我们主板的CFG Lock
0x7AC就是我们主板的DVMT

需要把CFG Lock VarStore: 0x0 (CFG Lock)
需要把CFG Lock VarStore: 0x2 (DVMT 64MB)

修改主板参数

启用grub-mod-setup_var 和 ControlMsrE2的 eif

2025-01-31T03:41:33.png

系统进入GRUB修改

命令的语法：setup_var address value

CFG Lock

#查询 
setup_var 0x503
#修改 
setup_var 0×503 0×0

2025-01-31T03:27:36.png
查询结果

DVMT

#查询 
setup_var 0x7AC
#修改
setup_var 0x7AC 0x2

2025-01-31T03:28:46.png
查询结果

查询CFG Lock

2025-01-31T03:20:14.png

通过ControlMsrE2查询 UNLOCKED 解锁成功

关闭主板 CFG 锁

最后修改：2025 年 01 月 31 日

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黑苹果之手动关闭 CFG Lock

cokan • 2025 年 01 月 29 日

<h2>工具</h2><p>主板rom提取工具 <span class="external-link"><a class="no-external-link" href="https://www.baidu.com/s?wd=BIOS%20Backup%20ToolKit" target="_blank"><i data-feather="external-link"></i>BIOS Backup ToolKit</a></span> <br>rom查询工具<span class="external-link"><a class="no-external-link" href="https://github.com/LongSoft/UEFITool/releases" target="_blank"><i data-feather="external-link"></i>UEFITool</a></span><br>rom转换工具<span class="external-link"><a class="no-external-link" href="https://github.com/LongSoft/Universal-IFR-Extractor/releases" target="_blank"><i data-feather="external-link"></i>IFR-Extractor</a></span><br>黑苹果GRUB启动项<span class="external-link"><a class="no-external-link" href="https://github.com/datasone/grub-mod-setup_var/releases" target="_blank"><i data-feather="external-link"></i>grub-mod-setup_var</a></span></p><h2>提取ROM</h2><p><img src="http:/usr/uploads/2025/01/3949945419.png" alt="2025-01-29T07:17:22.png" title="2025-01-29T07:17:22.png" style=""><br>用 BIOS Backup ToolKit 程序读取后备份至本地</p><h2>查询ROM固件</h2><p>查询关键字 <br><code>CFG Lock</code><br><img src="http:/usr/uploads/2025/01/2965245511.png" alt="2025-01-29T07:18:43.png" title="2025-01-29T07:18:43.png" style=""><br><img src="http:/usr/uploads/2025/01/1367570804.png" alt="2025-01-29T07:20:11.png" title="2025-01-29T07:20:11.png" style=""><br><img src="http:/usr/uploads/2025/01/1313065892.png" alt="2025-01-29T07:20:33.png" title="2025-01-29T07:20:33.png" style=""><br><img src="http:/usr/uploads/2025/01/1504553775.png" alt="2025-01-29T07:22:49.png" title="2025-01-29T07:22:49.png" style=""></p><h2>转换为文本</h2><p>IFR-Extractor<br><img src="http:/usr/uploads/2025/01/795908590.png" alt="2025-01-29T07:23:30.png" title="2025-01-29T07:23:30.png" style=""><br>打开文本文件查询 <code>CFG Lock</code><br><img src="http:/usr/uploads/2025/01/574838215.png" alt="2025-01-29T07:24:32.png" title="2025-01-29T07:24:32.png" style=""><br><img src="http:/usr/uploads/2025/01/957827959.png" alt="2025-01-29T07:27:52.png" title="2025-01-29T07:27:52.png" style=""><br>CFG Lock, VarStoreInfo (VarOffset/VarName): 0x503, VarStore: 0x1</p><h2>DVMT Pre-Allocated配置项目</h2><p>如上方法可以通过关键字 <code>DVMT</code> 查到DVMT 的修改值<br><img src="http:/usr/uploads/2025/01/3100288025.png" alt="2025-01-29T07:33:54.png" title="2025-01-29T07:33:54.png" style=""><br>DVMT Pre-Allocated, VarStoreInfo (VarOffset/VarName): 0x7AC, VarStore: 0x1</p><h3>查询到</h3><p><code>0x503</code>就是我们主板的CFG Lock<br><code>0x7AC</code>就是我们主板的DVMT</p><p>需要把CFG Lock VarStore: <code>0x0</code> (CFG Lock)<br>需要把CFG Lock VarStore: <code>0x2</code> (DVMT 64MB)</p><h2>修改主板参数</h2><p>启用grub-mod-setup_var 和 ControlMsrE2的 eif</p><p><img src="http:/usr/uploads/2025/01/956125265.png" alt="2025-01-31T03:41:33.png" title="2025-01-31T03:41:33.png" style=""></p><h2>系统进入GRUB修改</h2><p>命令的语法：setup_var address value</p><h3>CFG Lock</h3><pre><code>#查询 
setup_var 0x503
#修改 
setup_var 0×503 0×0</code></pre><p><img src="http:/usr/uploads/2025/01/853964701.png" alt="2025-01-31T03:27:36.png" title="2025-01-31T03:27:36.png" style=""><br>查询结果</p><h3>DVMT</h3><pre><code>#查询 
setup_var 0x7AC
#修改
setup_var 0x7AC 0x2 </code></pre><p><img src="http:/usr/uploads/2025/01/3514861313.png" alt="2025-01-31T03:28:46.png" title="2025-01-31T03:28:46.png" style=""><br>查询结果</p><h3>查询CFG Lock</h3><p><img src="http:/usr/uploads/2025/01/3427728421.png" alt="2025-01-31T03:20:14.png" title="2025-01-31T03:20:14.png" style=""></p><p>通过ControlMsrE2查询 <code>UNLOCKED</code> 解锁成功</p><p><span class="external-link"><a class="no-external-link" href="https://hujewelz.github.io/cko3zrglu0019h7s6drqzgue3/" target="_blank"><i data-feather="external-link"></i>关闭主板 CFG 锁</a></span></p>