Workbench 1.0
Workbench 2.04

These GUIs don’t have this feature.

DeskTop 1.1
GS/OS 5.0.4
GS/OS 6.0.1

These GUIs don’t have this feature.

BeOS R5.0.1 PE

This GUI doesn’t have this feature.

CDE 1.5 in Solaris 9

Power management in CDE 1.5 in Solaris 9

GEOS 2 for C64
GEOS 2.1 for Apple II
GeoWorks Ensemble 2.0
NewDeal Office 3 Eval.
BreadBox Ensemble Lite

These GUIs don’t have this feature.

GNOME 2.2.0 in RedHat 9

This feature can be found in the Screensaver section.

IRIX 5.3

This GUI doesn’t have this feature.

Lisa OS 1.0
Lisa OS 3.1

These GUIs don’t have this feature.

System 1.1
System 3.0
System 4.2
System 7.0
System 7.5.3

These GUIs don’t have this feature.

Mac OS 8.0

This feature is not yet documented on this site.

Mac OS 9.0

Power management in Mac OS 9.0 (Energy Saver)

Mac OS X DP

This GUI doesn’t have this feature.

Mac OS X DP 2

Power management in Mac OS X DP 2 (Energy Saver) with thanks to Steven Troughton-Smith

Mac OS X DP 3

Power management in Mac OS X DP 3 (Energy Saver)

Mac OS X DP 4

Power management in Mac OS X DP 4 (Energy Saver)

Mac OS X Public Beta

Power management in Mac OS X Public Beta (Energy Saver)

Mac OS 10.0.4

Power management in Mac OS 10.0.4 (Energy Saver)

Mac OS 10.1

Power management in Mac OS 10.1 (Energy Saver)

Mac OS X Jaguar

Power management in Mac OS X Jaguar (Energy Saver)

Mac OS X Panther

Power management in Mac OS X Panther (Energy Saver) with thanks to Jonathan Westin

OPENSTEP 4.2

Power management in OPENSTEP 4.2 (Power Management Preferences)

Rhapsody DR2

This GUI doesn’t have this feature.

MS OS/2 1.30.1

This feature is not yet documented on this site.

OS/2 2.1

Power management in OS/2 2.1 (Power)

OS/2 Warp 3

Power management in OS/2 Warp 3 (Power)

OS/2 Warp 4

This feature is not yet documented on this site.

QNX 6.2.1 NC

This GUI doesn’t have this feature.

ArthurOS 1.2
RISC OS 3.11
RISC OS 3.7

These GUIs don’t have this feature.

Sibo/Psion Series 3a

Power management in Sibo/Psion Series 3a

Sibo/Psion Siena

Power management in Sibo/Psion Siena

EPOC R5/Psion Revo

Power management in EPOC R5/Psion Revo (Switch on/off) with thanks to Daniel Beardsmore

EPOC R5/Psion Series 7

Power management in EPOC R5/Psion Series 7 (Switch on/off)

Windows 1.01
Windows 2.03
Windows 3.0
Windows 3.1
WfW 3.11

These GUIs don’t have this feature.

Windows NT 3.1 Workstation
Windows NT 3.51 Workstation

Power management in Windows NT 3.1 Workstation (UPS)

Windows 95

Power management in Windows 95 (Power Properties)

Windows 95B

Power management in Windows 95B (Power Properties)

Windows NT 4.0 Workstation
Windows NT 4.0 Server

Power management in Windows NT 4.0 Workstation (UPS)

Windows 98

Power management in Windows 98 (Power Management Properties)

Windows 98 SE

Power management in Windows 98 SE (Power Management Properties)

Windows 2000 Pro

Power management in Windows 2000 Pro (Power Options Properties)

Windows 2000 Advanced Server

Power management in Windows 2000 Advanced Server (Power Options Properties)

Windows Me

Power management in Windows Me (Power Options Properties)

Whistler 2257

Power management in Whistler 2257 (Power Options Properties)

Windows XP Pro

Power management in Windows XP Pro (Power Options Properties)

Windows Server 2003 Web

Power management in Windows Server 2003 Web (Power Options Properties)

Longhorn 4015

Power management in Longhorn 4015 (Power Options Properties)