Is there someone know the hp CPC BIOS DMI solution?

[ott]

I have a confusing about BIOS DMI solution of hp/compaq desktop pc (CPC).

We know the BIOS setting between laptop with desktop which are two different solution. We cannot use the tatto/DMI tool of laptop into desktop, on the contrary side is same.

HP had input the BID, FeatureByte code into the MB BIOS, which includes the preinstalled OS, apps, hardware, and warranty. so if we are not follow the HP offcial solution to upgrade the BIOS setting, even we can add slic data into it, however this will bring out another issues, or cause stability, and we cannot upgrade again through the hp official BIOS file.

So is there someone can describe the detail description of FlexBuild and releated information?

[MUDBOY]

这方面还不太懂，待高手解释一下。

不过我的认为是，如果修改了官方的BIOS，在刷机升级的时候，刷机程序会校验bios的某一段数字认证信息，无法通过的话就不会刷机成功。

台式机的修改例如SLIC的话，能否通过刷机过程中，直接修改已载入内存的rom文件来强制刷机呢？不过这样应该比较危险，因为一旦改错了，可能就会造成无法开机。

[MUDBOY]

另外笔记本和台式机的生产方式应该也是不一样的

台式机类似于服务器那样，是采购OEM的零部件（比如主板，电源，硬盘，内存等等），在惠普自己的工厂里生产，BIOS的修改程序应该是完全惠普公司台式机部门自行开发。

而笔记本一般从设计到制造，ODM工厂都是全程参与的，BIOS的工厂修改程序（DMI程序）应该都是各个ODM厂商开发然后交付给惠普公司。

因此BIOS工作接口上面估计就不一样了。

[ott]

Thanks for your reply. So presently the desktop pc should be produced by hp chongqing factory, am right?

What I said is just for the consume desktop pc.

I had heard of a hp us RD guy said change the CPC BIOS setting is easy as long as have two hp official files. One is the CPC DMI tool, another is the Featurebyte code which includes the preinstalled OS/Apps with the same MB model.

So the only question is that can we create the featurebyte code folowing the hp guide?

[MUDBOY]

据我所知，惠普重庆的工厂既有生产笔记本，也有台式机， 富士康提供的工人在惠普工厂工作，上海也有PC的工厂才对。

关于家用台式机电脑，据说现在不用CPC DMI了，应该会采用和商用台式机一种解决方案（或者叫工厂设置程序）来统一设置。

以前的CPC DMI估计只能应用于老的型号。

楼主所说的FlexBuild（我理解是在工厂连接到内部网络统一安装出厂系统OS程序的？）或者Featurebyte code这些概念，不好意思，我也不甚明白。

[MUDBOY]

咨询了一下高手, FeatureByte code应该是对机型配置作定义的。
一共部分,用逗号隔开，第一部分9个字符，第二部分4组（中间空格间隔）共16个字符。
FeatureByte code的具体含义应该是通过惠普内部的一个系统来定义的，也就是选择了一些配置信息后生成FeatureByte code，然后通过cpc dmi工具写入电脑的DMI（估计现在有最新的工具不叫这个名字了），暂时还不能直接根据字符来解释出来什么配置。

[ott]

@ MUDBOY
Thank you very much for your information.

I agree with your words @ 6#. :)

A month ago when I worked with hp CS guy in SH, he had showed me a HP internal web site about the CPC DMI tool and I had captured as below:

hp_cpc_dmi_tool.png

However, for the latest version 6.xx, MB will be flashed by OEM even for the return spare parts.

Thanks again. Nice talking with you.
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[MUDBOY]

楼主客气了, 如果能下载到这些工具就好了

可以再进一步研究操作方法.

[ott]

What's U need, just feel free to tell me, I will try to get and send to you.

[MUDBOY]

FeatureByte code就是通过cpc dmi工具来写入台式机的DMI的

如果能找到这个工具，应该可以更深入研究下工作机制

看ott兄弟有没有渠道找到，或者其他朋友分享出来。