diff options
Diffstat (limited to 'docs/hardware/gm45_remove_me.md')
| -rw-r--r-- | docs/hardware/gm45_remove_me.md | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/docs/hardware/gm45_remove_me.md b/docs/hardware/gm45_remove_me.md index b2f8db8b..26e5f9f6 100644 --- a/docs/hardware/gm45_remove_me.md +++ b/docs/hardware/gm45_remove_me.md @@ -297,27 +297,21 @@ Early notes {#early_notes} Flash chips {#flashchips} ----------- +- X200 laptop (Mocha-1): + ICH9-M overrides ifd permissions with a strap connected to GPIO33 pin (see IRC notes below) -- Schematics for X200 laptop: - <http://pdf.datasheetarchive.com/indexerfiles/Datasheets-USER/DSAUPLD00006075.pdf> - **~~- Page 20 and page 9 refer to SDA\_HDO or SDA\_HDOUT~~** only on - series 6 or higher chipsets. ICH9-M (X200) does it with a strap - connected to GPIO33 pin (see IRC notes below) - - - According to page 29, the X200 can have any of the following flash + - The X200 can be found with any of the following flash chips: - - ATMEL AT26DF321-SU 72.26321.A01 - this is a 32Mb (4MiB) chip - - MXIC (Macronix?) MX25L3205DM2I-12G 72.25325.A01 - another 32Mb - (4MiB) chip - - MXIC (Macronix?) MX25L6405DMI-12G 41R0820AA - this is a 64Mb - (8MiB) chip - - Winbond W25X64VSFIG 41R0820BA - another 64Mb (8MiB) chip - - sgsit says that the X200s with the 64Mb flash chips are (probably) + - ATMEL AT26DF321-SU 72.26321.A01 - this is a 32Mb (4MiB) chip + - MXIC (Macronix?) MX25L3205DM2I-12G 72.25325.A01 - another 32Mb + (4MiB) chip + - MXIC (Macronix?) MX25L6405DMI-12G 41R0820AA - this is a 64Mb + (8MiB) chip + - Winbond W25X64VSFIG 41R0820BA - another 64Mb (8MiB) chip + + sgsit says that the X200s (Pecan-1) with the 64Mb flash chips are (probably) the ones with AMT (alongside the ME), whereas the 32Mb chips contain only the ME. -- Schematics for X200s laptop: - <http://pdf.datasheetarchive.com/indexerfiles/Datasheets-USER/DSAUPLD00006104.pdf>. Early development notes {#early_development_notes} ----------------------- @@ -424,7 +418,7 @@ region. According to the datasheet, it's supposed to add up to 0xBABA but can actually be others on the X200. -<https://communities.intel.com/community/wired/blog/2010/10/14/how-to-basic-eeprom-checksums> +<https://web.archive.org/web/20150912070329/https://communities.intel.com/community/wired/blog/2010/10/14/how-to-basic-eeprom-checksums> *"One of those engineers loves classic rock music, so they selected 0xBABA"* |