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Diffstat (limited to 'docs/install/x200_external.md')
| -rw-r--r-- | docs/install/x200_external.md | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/docs/install/x200_external.md b/docs/install/x200_external.md index 128f80af..12570a8c 100644 --- a/docs/install/x200_external.md +++ b/docs/install/x200_external.md @@ -36,12 +36,12 @@ Flash chip size {#flashchips} =============== Use this to find out:\ -\# **flashrom -p internal -V** +# **flashrom -p internal -V** The X200S and X200 Tablet will use a WSON-8 flash chip, on the bottom of the motherboard (this requires removal of the motherboard). **Not all X200S/X200T are supported; see -[../hcl/x200.html\#x200s](../hcl/x200.html#x200s).** +[../hcl/x200.html#x200s](../hcl/x200.html#x200s).** [Back to top of page.](#pagetop) @@ -114,7 +114,7 @@ The following image shows how this is done:**\ In this image, a pin header was soldered onto the WSON. Another solution might be to de-solder the WSON-8 chip and put a SOIC-8 there instead. Check the list of SOIC-8 flash chips at -[../hcl/gm45\_remove\_me.html\#flashchips](../hcl/gm45_remove_me.html#flashchips) +[../hcl/gm45\_remove\_me.html#flashchips](../hcl/gm45_remove_me.html#flashchips) but do note that these are only 4MiB (32Mb) chips. The only X200 SPI chips with 8MiB capacity are SOIC-16. For 8MiB capacity in this case, the X201 SOIC-8 flash chip (Macronix 25L6445E) might work. @@ -168,10 +168,10 @@ libreboot\_util. Alternatively, libreboot also distributes flashrom source code which can be built. Log in as root on your BBB, using the instructions in -[bbb\_setup.html\#bbb\_access](bbb_setup.html#bbb_access). +[bbb\_setup.html#bbb\_access](bbb_setup.html#bbb_access). Test that flashrom works:\ -\# ./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 + # ./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 In this case, the output was: flashrom v0.9.7-r1854 on Linux 3.8.13-bone47 (armv7l) @@ -185,17 +185,17 @@ In this case, the output was: How to backup factory.rom (change the -c option as neeed, for your flash chip):\ -\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r +# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r factory.rom**\ -\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r +# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r factory1.rom**\ -\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r +# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r factory2.rom**\ Note: the **-c** option is not required in libreboot's patched flashrom, because the redundant flash chip definitions in *flashchips.c* have been removed.\ Now compare the 3 images:\ -\# sha512sum factory*.rom + # sha512sum factory*.rom If the hashes match, then just copy one of them (the factory.rom) to a safe place (on a drive connected to another system, not the BBB). This is useful for reverse engineering work, if there is a desirable @@ -203,14 +203,14 @@ behaviour in the original firmware that could be replicated in coreboot and libreboot. Follow the instructions at -[../hcl/gm45\_remove\_me.html\#ich9gen](../hcl/gm45_remove_me.html#ich9gen) +[../hcl/gm45\_remove\_me.html#ich9gen](../hcl/gm45_remove_me.html#ich9gen) to change the MAC address inside the libreboot ROM image, before flashing it. Although there is a default MAC address inside the ROM image, this is not what you want. **Make sure to always change the MAC address to one that is correct for your system.** Now flash it:\ -\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -w +# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -w path/to/libreboot/rom/image.rom -V**  @@ -244,7 +244,7 @@ Wifi The X200 typically comes with an Intel wifi chipset, which does not work without proprietary software. For a list of wifi chipsets that work without proprietary software, see -[../hcl/\#recommended\_wifi](../hcl/#recommended_wifi). +[../hcl/#recommended\_wifi](../hcl/#recommended_wifi). Some X200 laptops come with an Atheros chipset, but this is 802.11g only. @@ -340,7 +340,7 @@ here: On a related note, libreboot has a utility that could help with investigating this: -[../hcl/gm45\_remove\_me.html\#demefactory](../hcl/gm45_remove_me.html#demefactory) +[../hcl/gm45\_remove\_me.html#demefactory](../hcl/gm45_remove_me.html#demefactory) |