this is what i got that instruction from..
http://gaugusch.dhs.org/vaio/
----------------
and this is the file content
[eugene@localhost tmp]$ less acpi-20020611-2.4.18.diff
diff -Naur -X bin/dontdiff linux-old-24/Documentation/Configure.help linux-24/Documentation/Configure.help
--- linux-old-24/Documentation/Configure.help Mon Feb 25 11:37:51 2002
+++ linux-24/Documentation/Configure.help Tue Jun 11 12:38:46 2002
@@ -17194,70 +17194,64 @@
will issue the hlt instruction if nothing is to be done, thereby
sending the processor to sleep and saving power.
-ACPI support
-CONFIG_ACPI
- ACPI/OSPM support for Linux is currently under development. As such,
- this support is preliminary and EXPERIMENTAL. Configuring ACPI
- support enables kernel interfaces that allow higher level software
- (OSPM) to manipulate ACPI defined hardware and software interfaces,
- including the evaluation of ACPI control methods. If unsure, choose
- N here. Note, this option will enlarge your kernel by about 120K.
-
- This support requires an ACPI compliant platform (hardware/firmware).
- If both ACPI and Advanced Power Management (APM) support are
- configured, whichever is loaded first shall be used.
-
- This code DOES NOT currently provide a complete OSPM implementation
- -- it has not yet reached APM's level of functionality. When fully
- implemented, Linux ACPI/OSPM will provide a more robust functional
- replacement for legacy configuration and power management
- interfaces, including the Plug-and-Play BIOS specification (PnP
- BIOS), the Multi-Processor Specification (MPS), and the Advanced
- Power Management specification (APM).
-
- Linux support for ACPI/OSPM is based on Intel Corporation's ACPI
- Component Architecture (ACPI CA). The latest ACPI CA source code,
- documentation, debug builds, and implementation status information
- can be downloaded from:
- <
http://developer.intel.com/technolog.../downloads.htm>.
-
- The ACPI Sourceforge project may also be of interest:
- <
http://sf.net/projects/acpi/>
-
-Enable ACPI 2.0 with errata 1.3
-CONFIG_ACPI20
- Enable support for the 2.0 version of the ACPI interpreter. See the
- help for ACPI for caveats and discussion.
-
-ACPI kernel configuration manager