无忧启动论坛

标题: 32位系统能否识别和使用4GB内存？ [打印本页]

作者: fish2006 时间: 2015-6-2 11:27
标题: 32位系统能否识别和使用4GB内存？
本帖最后由 fish2006 于 2015-6-2 12:50 编辑

在IP10130 系统的 WinRE DIY实践中，偶然发现一个非常重要和有价值的现象，32位系统 WinRE 完美地识别我的笔记本中 4GB内存配置，以图为证，绝不是 PS的，也没有安装任何内存扩充工具软件，若把注册表中 ProductOptions 项目替换为正常系统的内容，则又回到正常系统了，只能识别和使用3GB内存。 ProductOptions 居然能决定能否识别 4GB内存，请大神们进一步探讨。

正常系统内存信息:

非常系统内存信息:

为了便于网友们测试，贴出注册表内容：

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ProductOptions]
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"ProductType"="WinNT"
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  69,00,6f,00,6e,00,73,00,00,00,00,00,00,00,88,00,70,00,04,00,04,00,00,00,00,\
  00,00,00,00,00,54,00,65,00,72,00,6d,00,69,00,6e,00,61,00,6c,00,53,00,65,00,\
  72,00,76,00,69,00,63,00,65,00,73,00,2d,00,52,00,65,00,6d,00,6f,00,74,00,65,\
  00,43,00,6f,00,6e,00,6e,00,65,00,63,00,74,00,69,00,6f,00,6e,00,4d,00,61,00,\
  6e,00,61,00,67,00,65,00,72,00,2d,00,4d,00,61,00,78,00,55,00,73,00,65,00,72,\
  00,53,00,65,00,73,00,73,00,69,00,6f,00,6e,00,73,00,00,00,00,00,00,00,00,00,\
  44,00,2c,00,04,00,04,00,00,00,00,00,00,00,00,00,76,00,6f,00,6c,00,6d,00,67,\
  00,72,00,78,00,2d,00,53,00,75,00,70,00,70,00,6f,00,72,00,74,00,44,00,79,00,\
  6e,00,61,00,6d,00,69,00,63,00,01,00,00,00,00,00,00,00,40,00,2a,00,04,00,04,\
  00,00,00,00,00,00,00,00,00,76,00,6f,00,6c,00,6d,00,67,00,72,00,78,00,2d,00,\
  53,00,75,00,70,00,70,00,6f,00,72,00,74,00,4d,00,69,00,72,00,72,00,6f,00,72,\
  00,01,00,00,00,00,00,40,00,28,00,04,00,04,00,00,00,00,00,00,00,00,00,76,00,\
  6f,00,6c,00,6d,00,67,00,72,00,78,00,2d,00,53,00,75,00,70,00,70,00,6f,00,72,\
  00,74,00,52,00,61,00,69,00,64,00,35,00,01,00,00,00,00,00,00,00,45,00,00,00

作者: fish2006 时间: 2015-6-2 11:31
本帖最后由 fish2006 于 2015-6-2 13:55 编辑

其他系统是否也有相似的情况，需要进一步探讨和落实。

其他系统测试结果：
TP10061PE，IP10122PE 系统效果相同。

IP10122 正常系统的测试也得到相同的结果，见下图：

注：这个修改带来的副作用是（在目前情况下），屏幕壁纸无法设置，在PE中个性化设置受影响！

作者: adehmily 时间: 2015-6-2 11:46
还需要主板支持的吧

作者: 1400700226 时间: 2015-6-2 11:47
有没有测试过多出来的1G是否真实可用？

作者: 2012liujingxion 时间: 2015-6-2 11:50
你指的是 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ProductOptions 这个键值下的内容吗？可否把能开4G的注册表信息发上来测试？

作者: 2012qnmd 时间: 2015-6-2 13:41
win8开始就这样的(WIN7没用过),PE本身是支持4g的

只不过,不同的注册表,还会导致其它方面应用,所以,是否导入系统的注册表,
看你的具体需求.

作者: lbw2007 时间: 2015-6-2 16:59
你out了，
Windows Server 2003R2 SP2 Ent x86原生支持8G内存
就是2003企业版

作者: 2012qnmd 时间: 2015-6-2 17:54
你那个是PAE方式,企业版是32G , 标准版好像是8G, 数据中心64G可能

作者: fish2006 时间: 2015-6-2 19:53

2012qnmd 发表于 2015-6-2 17:54
你那个是PAE方式,企业版是32G , 标准版好像是8G, 数据中心64G可能

看来我是老落后了。
从哪里看出我用的是 PAE方式？（我用的是 10130 专业版 WinRE 的 SYSTEM 文件）。
如果解决了屏幕壁纸设置问题，采用这个方法解决大内存问题（所谓大内存，实际上大部分都是有限的），32位系统不是有很大优势吗？

作者: freesoft00 时间: 2015-6-2 20:27
这个问题你@一下fujianabc网友也许能得到解答，好像老早他们就讨论过这个问题了，具体还有其他人我忘记了

作者: ZULGMG 时间: 2015-11-20 19:39
学习学习，谢谢分享

作者: 红毛樱木 时间: 2015-11-20 22:49
这个注册表研究了一番。
最终结果这样子:
这里的注册表值得，如果用winre中的就可以直接识别4G以上内存。但是微软做了限制，目前发现亮点，第一不能设备PE背景图片，桌面黑屏，第二不能安装显卡驱动，安装直接死机

这注册表要是能破就帅了

作者: 红毛樱木 时间: 2015-11-20 23:26

红毛樱木发表于 2015-11-20 22:49
这个注册表研究了一番。
最终结果这样子:
这里的注册表值得，如果用winre中的就可以直接识别4G以上内存。 ...

里面的字符串？
Kernel-WindowsMaxMemAllowedx86

作者: fish2006 时间: 2015-11-21 14:11

红毛樱木发表于 2015-11-20 22:49
这个注册表研究了一番。
最终结果这样子:
这里的注册表值得，如果用winre中的就可以直接识别4G以上内存。 ...

不能设置PE背景图片是事实，桌面黑屏问题不全面，yaojy 曾发布过一个系统，用其它纯色代替过。

不能安装显卡驱动，安装直接死机的问题当时没有注意，我现在无法确认。

作者: 2011momoto 时间: 2015-11-21 17:09
我是XP系统。

作者: sp_star 时间: 2015-11-22 17:41

红毛樱木发表于 2015-11-20 22:49
这个注册表研究了一番。
最终结果这样子:
这里的注册表值得，如果用winre中的就可以直接识别4G以上内存。 ...

今天看到一个有意思的东西，可能有用。
http://reboot.pro/topic/20585-productpolicy-viewer/

作者: 红毛樱木 时间: 2015-11-23 08:35

sp_star 发表于 2015-11-22 17:41
今天看到一个有意思的东西，可能有用。
http://reboot.pro/topic/20585-productpolicy-viewer/

这个目前不能添加项目，昨晚折腾一夜手动这里，，，不行，哭了。今天再试试

作者: 2012qnmd 时间: 2015-11-23 08:44
关键不是识别,而是EFI
就算识别了,也是PAE模式,兼容很是问题,还不如识别为内存盘,然后设置页面文件

作者: 红毛樱木 时间: 2015-11-23 10:28

2012qnmd 发表于 2015-11-23 08:44
关键不是识别,而是EFI
就算识别了,也是PAE模式,兼容很是问题,还不如识别为内存盘,然后设置页面文件

突破啦，哈哈

作者: mdyblog 时间: 2015-11-23 10:33

红毛樱木发表于 2015-11-23 10:28
突破啦，哈哈

那5G的盘怎显示NA啊？
你格式化试试，拷5G的东西，再比较下，还是对的吗？

作者: fish2006 时间: 2015-11-23 10:39

红毛樱木发表于 2015-11-23 10:28
突破啦，哈哈

恭喜大神！
是修改参数，还是添加参数？能否公开世人否？

作者: 2012qnmd 时间: 2015-11-23 11:56
导入这个注册表,应该可以支持到64G
挂到SYS,导入

ProductOptions支持大内存x86.7z

10.28 KB, 下载次数: 40

作者: fish2006 时间: 2015-11-23 12:15

2012qnmd 发表于 2015-11-23 11:56
导入这个注册表,应该可以支持到64G
挂到SYS,导入

请问，这个注册表与操作系统版本有没有关系？能否说明一下，从什么版本修改得来的吗？

作者: yamingw 时间: 2015-11-23 12:22
看大家讨论的这么热闹，发个工具，继续折腾。需要net4.0

ProductPolicyEditor.zip

14.19 KB, 下载次数: 44

作者: 2012qnmd 时间: 2015-11-23 12:52

fish2006 发表于 2015-11-23 12:15
请问，这个注册表与操作系统版本有没有关系？能否说明一下，从什么版本修改得来的吗？

win10,240
其实,就是已经做好的PE里面的注册表,修改为64G
原来为4G

WINRE的就是64G,好像PAE就能支持到那么大. WIN2003数据中心貌似最大64G

作者: 红毛樱木 时间: 2015-11-23 13:15

2012qnmd 发表于 2015-11-23 12:52
win10,240
其实,就是已经做好的PE里面的注册表,修改为64G
原来为4G

方法我放出来了，一会弄个精简版的注册表上来

作者: 2012qnmd 时间: 2015-11-23 14:04

yamingw 发表于 2015-11-23 12:22
看大家讨论的这么热闹，发个工具，继续折腾。需要net4.0

有不用net40的么???

作者: yamingw 时间: 2015-11-23 14:11

2012qnmd 发表于 2015-11-23 14:04
有不用net40的么???

别人的工具，来自"winstore service crack"

作者: zxshxz 时间: 2015-11-23 16:51
测试一下。

作者: fish2006 时间: 2015-11-23 17:03

yamingw 发表于 2015-11-23 12:22
看大家讨论的这么热闹，发个工具，继续折腾。需要net4.0

老外英文版可在PE下运行啊！

作者: 红毛樱木 时间: 2015-11-23 17:58

fish2006 发表于 2015-11-23 17:03
老外英文版可在PE下运行啊！

那个好像只能编辑存在的项，不能添加项

作者: fish2006 时间: 2015-11-23 18:20

红毛樱木发表于 2015-11-23 17:58
那个好像只能编辑存在的项，不能添加项

那个精简版注册表好像来之 WinRE 的。

作者: fish2006 时间: 2015-11-23 18:59

红毛樱木发表于 2015-11-23 17:58
那个好像只能编辑存在的项，不能添加项

如果没有现成的修改工具，那么，我想目前一个可行的方法是：手工修改（添加）注册表内容，添加二进制数据，这个需要耐心和细心，有些啃骨头的味道，原则上是可行的，前提是你事先知道添加什么内容。

作者: 红毛樱木 时间: 2015-11-23 19:39

fish2006 发表于 2015-11-23 18:59
如果没有现成的修改工具，那么，我想目前一个可行的方法是：手工修改（添加）注册表内容，添加二进制数据 ...

我做的那个精简版注册表基本就够了

作者: huaqingyuan 时间: 2015-11-24 13:14

fish2006 发表于 2015-11-23 18:59
如果没有现成的修改工具，那么，我想目前一个可行的方法是：手工修改（添加）注册表内容，添加二进制数据 ...

http://bbs.wuyou.net/forum.php?m ... &extra=page%3D1,我已测试，可以修改，但是好像还需要其它东西才能64G。大小限制也修改了！

作者: guyu孤语 时间: 2024-1-28 11:41
我还是想用第三方工具，毕竟我把个性化看的很重

作者: 孤山飞雪 时间: 2024-1-28 19:31
{:1_186:

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