Here is some more information from the DebuggingTouchpadDetection wiki page:
$ cd /var/lib/acpi-support/; grep '.' *-* bios-version:101A system-manufacturer:COMPAL system-product-name:HGL3X system-version:Null
$ uname -a Linux ubuntu 2.6.28-11-generic #41-Ubuntu SMP Wed Apr 8 04:38:53 UTC 2009 i686 GNU/Linux
$ cat /proc/version_signature Ubuntu 2.6.28-11.41-generic
Here is some more information from the DebuggingTouchp adDetection wiki page:
$ cd /var/lib/ acpi-support/ ; grep '.' *-* manufacturer: COMPAL product- name:HGL3X
bios-version:101A
system-
system-
system-version:Null
$ uname -a
Linux ubuntu 2.6.28-11-generic #41-Ubuntu SMP Wed Apr 8 04:38:53 UTC 2009 i686 GNU/Linux
$ cat /proc/version_ signature 11.41-generic
Ubuntu 2.6.28-