What is Instantly Available PC?
Instantly Available PC, also known as Suspend-to-RAM (STR), is a technology closely associated with the S3 state of the ACPI specification. STR allows a properly configured system to go into a low-power mode, saving open applications, active files and information about the system’s configuration to main memory. In this low-power state, memory remains powered to retain the system information, while most other components turn off to conserve energy. Fans are turned off to provide silent operation so the system appears “off.” The PC can be left in STR state and awakened periodically to perform such preprogrammed events as downloading e-mail or searching and filtering Web content. An incoming phone call can also wake the PC and trigger a desired response, similar to a telephone answering machine. When an incoming request arrives via a “wake device” or the user wishes to resume operation, the PC comes alive within a few seconds by reconfiguring itself based on the information previously sav
