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Diffstat (limited to 'docs/hcl/gm45_remove_me.html')
| -rw-r--r-- | docs/hcl/gm45_remove_me.html | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/docs/hcl/gm45_remove_me.html b/docs/hcl/gm45_remove_me.html index c78dfe1..d3aff4a 100644 --- a/docs/hcl/gm45_remove_me.html +++ b/docs/hcl/gm45_remove_me.html @@ -110,6 +110,17 @@ <li><b>ich9fdgbe_4m.bin</b>: this is for GM45 laptops with the 4MB flash chip.</li> <li><b>ich9fdgbe_8m.bin</b>: this is for GM45 laptops with the 8MB flash chip.</li> </ul> + + <p> + Two other files will also be created, for the ThinkPad R500 which has a different NIC and, therefore, + no GbE region (for this laptop, it is not necessary to change the MAC address in the flash chip, because + it's burned into the NIC): + </p> + <ul> + <li><b>ich9fdnogbe_4m.bin</b>: this is for ThinkPad R500 laptops with the 4MB flash chip, where no GbE region is to be defined.</li> + <li><b>ich9fdnogbe_8m.bin</b>: this is for ThinkPad R500 laptops with the 8MB flash chip, where no GbE region is to be defined + - <b>NOTE: No actual R500 laptops with 8MiB are believed to exist. It is believed, that all R500 laptops have 4MiB flash chips</b>.</li> + </ul> <p> Assuming that your libreboot image is named <b>libreboot.rom</b>, copy @@ -117,7 +128,18 @@ and then insert the descriptor+gbe file into the ROM image. For 8MiB flash chips:<br/> $ <b>dd if=ich9fdgbe_8m.bin of=libreboot.rom bs=1 count=12k conv=notrunc</b><br/> For 4MiB flash chips:<br/> - $ <b>dd if=ich9fdgbe_4m.bin of=libreboot.rom bs=1 count=12k conv=notrunc</b> + $ <b>dd if=ich9fdgbe_4m.bin of=libreboot.rom bs=1 count=12k conv=notrunc</b><br/> + </p> + <p> + <b>For the ThinkPad R500, do this instead:</b><br/> + For 8MiB flash chips (<b>highly unlikely on the ThinkPad R500)</b>:<br/> + $ <b>dd if=ich9fdnogbe_8m.bin of=libreboot.rom bs=1 count=4k conv=notrunc</b><br/> + For 4MiB flash chips (<b>You probably have this)</b>:<br/> + $ <b>dd if=ich9fdnogbe_4m.bin of=libreboot.rom bs=1 count=4k conv=notrunc</b><br/> + NOTE: This shouldn't be necessary. Libreboot ROM images already contain a descriptor embedded inside + the ROM images for GM45, generated by the ich9gen utility. It's only desirable to re-insert your own + when changing the MAC address, which is unnecessary (actually impossible) on the R500, because on that laptop, + as already stated, the NIC already has the correct MAC address burned in, along with along configuration data. </p> <p> @@ -220,6 +242,11 @@ The first 4KiB contains the descriptor data region for your system, and the next 8KiB contains the gbe region (config data for your gigabit NIC). These 2 regions could actually be separate files, but they are joined into 1 file in this case. </p> + <p> + A 4KiB file named <b>deblobbed_4kdescriptor.bin</b> will alternatively appear, if no GbE region was detected inside the ROM image. + This is usually the case, when a discrete NIC is used (eg Broadcom) instead of Intel. Only the Intel NICs need a GbE region in + the flash chip. + </p> <p> Assuming that your libreboot image is named <b>libreboot.rom</b>, copy @@ -227,6 +254,14 @@ and then run:<br/> $ <b>dd if=deblobbed_descriptor.bin of=libreboot.rom bs=1 count=12k conv=notrunc</b> </p> + <p> + Alternatively, if you got a the <b>deblobbed_4kdescriptor.bin</b> file (no GbE defined), + do this: + $ <b>dd if=deblobbed_4kdescriptor.bin of=libreboot.rom bs=1 count=4k conv=notrunc</b> + </p> + <p> + + </p> <p> The utility will also generate 4 additional files: |