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Diffstat (limited to 'docs/hcl/t500.md')
| -rw-r--r-- | docs/hcl/t500.md | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/docs/hcl/t500.md b/docs/hcl/t500.md index 0d0c3f54..1005abfe 100644 --- a/docs/hcl/t500.md +++ b/docs/hcl/t500.md @@ -1,4 +1,6 @@ -% ThinkPad T500 + +ThinkPad T500 +============= It is believed that all or most T500 laptops are compatible. See notes about [CPU @@ -15,10 +17,12 @@ modified descriptor: see [gm45\_remove\_me.html](gm45_remove_me.html)** (contains notes, plus instructions) Flashing instructions can be found at -[../install/#flashrom](../install/#flashrom) +[../install/\#flashrom](../install/#flashrom) [Back to previous index](./). + + EC update {#ecupdate} ========= @@ -38,9 +42,12 @@ only replaces the BIOS firmware, not EC. Updated EC firmware has several advantages e.g. bettery battery handling. + + Compatibility (without blobs) {#compatibility_noblobs} ----------------------------- + ### Hardware virtualization (vt-x) {#hwvirt} The T500, when run without CPU microcode updates in coreboot, currently @@ -55,9 +62,14 @@ On GM45 hardware (with libreboot), make sure that the *kvm* and The following errata datasheet from Intel might help with investigation: <http://download.intel.com/design/mobile/specupdt/320121.pdf> + + + The T500 is almost identical to the X200, code-wise. See [x200.html](x200.html). + + Descriptor and Gbe differences {#descriptor_difference} ------------------------------ @@ -69,9 +81,8 @@ and The patches above are based on the output from ich9deblob on a factory.rom image dumped from the T500 with a SOIC-8 4MiB flash chip. The patch re-creates the X200 descriptor/gbe source, so the commands -were something like: - - $ diff -u t500gbe x200gbe +were something like:\ +\$ **diff -u t500gbe x200gbe**\ \$ **diff -u t500descriptor x200descriptor** ME VSCC table is in a different place and a different size on the T500. @@ -81,6 +92,8 @@ The very same descriptor/gbe used on the X200 (generated by [ich9gen](gm45_remove_me.html#ich9gen)) was re-used on the T500, and it still worked. + + Hardware register dumps {#regdumps} ----------------------- @@ -93,8 +106,9 @@ outputs from the T500: Lenovo BIOS 3.13 7VET83WW (EC firmware 1.06): - [../future/dumps/t500log/](../future/dumps/t500log/) -Copyright © 2015 Leah Rowe <info@minifree.org> + +Copyright © 2015 Leah Rowe <info@minifree.org>\ Permission is granted to copy, distribute and/or modify this document under the terms of the Creative Commons Attribution-ShareAlike 4.0 International license or any later version published by Creative |