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@@ -44,11 +44,6 @@
<h1 id="ich9gen">ICH9 gen utility</h1>
<p>
- <b>This is no longer strictly necessary. Libreboot ROM images for GM45 now
- contain the 12KiB descriptor+gbe generated from ich9gen, by default.</b>
- </p>
-
- <p>
It is no longer necessary to use <a href="#ich9deblob">ich9deblob</a> to generate
a deblobbed descriptor+gbe image for GM45 targets. ich9gen is a small utility within
ich9deblob that can generate them from scratch, without a factory.bin dump.
@@ -60,7 +55,19 @@
</p>
<p>
- It is also possible to generate a descriptor+gbe image with your own MAC address
+ Running ich9gen this way (without any arguments) generates
+ a default descriptor+gbe image with a generic MAC address.
+ You probably don't want to use the generic one; the ROM images
+ in libreboot contain a descriptor+gbe image by default (already
+ inserted) just to prevent or mitigate the risk of bricking
+ your laptop, but with the generic MAC address (the libreboot
+ project does not know what your real MAC address is).
+ </p>
+
+ <p>
+ On GM45 laptops that use flash descriptors, the MAC address
+ or the onboard ethernet chipset is flashed (inside the ROM image).
+ You should generate a descriptor+gbe image with your own MAC address
inside (with the Gbe checksum updated to match). Run:<br/>
$ <b>./ich9gen --macaddress XX:XX:XX:XX:XX:XX</b><br/>
(replace the XX chars with the hexadecimal chars in the MAC address that you want)