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authorFrancis Rowe <info@gluglug.org.uk>2015-04-03 08:04:22 (EDT)
committer Francis Rowe <info@gluglug.org.uk>2015-04-03 08:04:22 (EDT)
commit94c5e28543c57b03d2f5e73d579cfe88f3885e4d (patch)
tree2003f16d5b172cbc04f6e7ff91d7a0178d08137a
parent0bf9dde9566604fcd190b7e83a94304f6a87bf55 (diff)
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docs/hcl/gm45_remove_me.html: less confusing notes about ich9gen
-rw-r--r--docs/hcl/gm45_remove_me.html19
1 files changed, 13 insertions, 6 deletions
diff --git a/docs/hcl/gm45_remove_me.html b/docs/hcl/gm45_remove_me.html
index b1ab1f0..cec55b6 100644
--- a/docs/hcl/gm45_remove_me.html
+++ b/docs/hcl/gm45_remove_me.html
@@ -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)