APM vs. ACPI

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The following tables headings shell designate the following meanings...

  • APM
    • Blank = ability to turn off the LCD while using APM
    • Sleep = ability to do a suspend-to-ram using APM
    • Hibernate = ability to perform a suspend-to-disk via the BIOS
    • Battery = ability to get statistics on remaining battery life from the APM subsystem
  • ACPI
    • Blank = ability to turn off the LCD while using ACPI
    • Sleep = ability to do a suspend-to-ram using ACPI
    • Hibernate = ability to perform a suspend-to-disk using ACPI
    • Battery = ability to get statistics on remaining battery life from the ACPI subsystem

The fields should be filled with one of the following:

  •  ? = unknown / untested
  • yes = working (with or without extra configuration effort)
  • no = not working (because kernel support isn't there yet)
  • part = partially working (unsolvable trouble on resume or something like that)
  • N/A = not supported by the hardware
  • ACPI-Hibernate can additionally have one of these:

Numbered

model APM ACPI
blank sleep hibernate battery blank sleep hibernate battery
yes yes yes yes  ?  ?  ?  ?
yes yes yes yes yes  ?  ? yes
yes yes yes yes  ?  ?  ?  ?
yes yes  ? yes  ?  ?  ?  ?
no yes no yes yes no no yes
yes yes yes yes yes yes yes yes
 ?  ?  ?  ? N/A N/A N/A N/A
 ?  ?  ?  ? N/A N/A N/A N/A
 ?  ?  ?  ? N/A N/A N/A N/A
yes  ?  ?  ? N/A N/A N/A N/A
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ?  ?  ?  ?  ?
yes no  ? yes yes part yes yes
 ?  ?  ?  ?  ?  ?  ?  ?

A Series

model APM ACPI
blank sleep hibernate battery blank sleep hibernate battery
yes yes  ? yes  ?  ?  ? yes
y y  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ?  ?  ?  ?  ?
yes yes  ? yes yes yes  ? yes
yes yes  ? yes  ?  ?  ?  ?
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ? yes  ?  ?  ?  ?
 ?  ?  ?  ? yes yes yes yes
 ? yes  ? yes yes yes yes yes

G Series

model APM ACPI
blank sleep hibernate battery blank sleep hibernate battery
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ? yes  ?  ? yes

R Series

model APM ACPI
blank sleep hibernate battery blank sleep hibernate battery
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ?  ?  ? sus2 part
yes yes  ? yes  ? yes  ? yes
yes yes yes yes yes yes yes yes
 ?  ?  ?  ?  ?  ?  ?  ?
yes yes yes yes yes yes  ? yes
no no no no  ?  ?  ? yes
no no no no  ? yes  ? yes
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ? yes yes yes yes
 ?  ?  ?  ? yes yes yes yes
 ?  ?  ?  ? yes yes  ? yes

T Series

model APM ACPI
blank sleep hibernate battery blank sleep hibernate battery
no yes yes  ? no no yes  ?
 ?  ?  ?  ?  ? yes yes yes
yes yes yes yes yes part part yes
yes yes yes yes yes yes yes yes
yes yes yes yes yes yes yes yes
yes yes yes yes yes yes yes yes
yes yes yes yes yes yes yes yes
yes yes yes yes yes yes yes yes
yes yes yes yes yes yes yes yes
yes yes yes yes yes yes yes yes
yes yes yes yes yes yes yes yes
yes part yes yes yes yes yes yes
yes yes yes yes yes yes yes yes
 ?  ?  ?  ? yes yes part  ?

X Series

model APM ACPI
blank sleep hibernate battery blank sleep hibernate battery
yes yes  ?  ?  ?  ?  ? yes
y random  ? y y y2.6  ? y
 ?  ?  ?  ? y y y y
Yes Yes  ? Yes  ?  ?  ?  ?
yes yes yes yes yes yes sus2 yes
yes no yes yes  ? sus2 sus2  ?
yes yes yes yes yes yes yes yes
 ?  ?  ?  ?  ?  ?  ?  ?
yes yes yes yes yes yes yes yes
part (SATA) part (SATA)  ? yes no part (SATA) yes (sus) yes
 ?  ?  ?  ?  ?  ?  ?  ?
N/A N/A N/A N/A  ? yes sus(yes), sus2(?) yes
 ?  ?  ?  ?  ?  ?  ?  ?
 ?  ?  ?  ? yes yes yes yes

Z Series

model APM ACPI
blank sleep hibernate battery blank sleep hibernate battery
 ?  ?  ?  ? Yes Yes Yes (sus) Yes
 ?  ?  ?  ? Yes Yes Yes Yes

Others

model APM ACPI
blank sleep hibernate battery blank sleep hibernate battery
 ?  ?  ?  ?  ?  ?  ? yes
yes yes no yes N/A N/A N/A N/A


T20 Hibernation:

  • tested with SuSE 9.2
  • APM needs a special file on a windows partition

R51e Sleep:

  • tested with Kubuntu 6.06
  • R51e needs the BIOS/firmware update from february 2007 to successfully resume. Resume completely hangs (no screen, no keys) with older software.