diff options
| -rw-r--r-- | coreboot-x201.mdwn | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/coreboot-x201.mdwn b/coreboot-x201.mdwn index 6f528f8..3122321 100644 --- a/coreboot-x201.mdwn +++ b/coreboot-x201.mdwn @@ -23,7 +23,7 @@ next buy or build a SPI flasher and get a SOIC8 clip for mounting the chip corre #### the ugly part we have to dump the existing BIOS using [[flashrom|http://www.flashrom.org]] and an external SPI flasher. here's the pinout: -[[!format c """ +[[!format io """ === front (display) ==== 3.3V N/C CLK MOSI | | | | @@ -32,5 +32,27 @@ here's the pinout: === back (touchpad) === """]] -Now it should look similiar to this: -[[!img bus_pirate.jpg align="left" size="" alt=""]] +[[!img bus_pirate.jpg align="right" size="" alt="buspirate attached"]] +Now it should look similar to this: + +You probably have to adjust your contacts quite often for it to work, so don't give up ;) +[[!format c """ +flashrom -p <yourprogrammer> -r flash.bin +flashrom -p <yourprogrammer> -r flash2.bin +diff flash.bin flash2.bin +"""]] + +If the files differ, check your cables. + +#### easy part +- extract descriptor / intel ME +[[!format c """ +dd if=flash.bin of=coreboot/3rdparty/mainboard/lenovo/x201/descriptor.bin \ + count=12288 bs=1M iflag=count_bytes +dd if=flash.bin of=coreboot/3rdparty/mainboard/lenovo/x201/me.bin \ + skip=12288 count=5230592 bs=1M iflag=count_bytes,skip_bytes +"""]] +- extract vgabios.bin from BIOS (I used PhoenixTool for this, as the included bios extractor from coreboot didn't work for me) +hint: SWIM uploaded it somewhere in the internets (google md5hash: ) + +- [[compile coreboot|http://www.coreboot.org/Build_HOWTO]] |