Acer Aspire 7520G Aspire 7520 / 7520G Service Guide - Page 43

System Power Management ACPI mode Working (G0/S0) Suspend to RAM (S3) Save to Disk (S4) Power Management Individual devices such as the CPU and hard disc may be power managed in this state. CPU set power down VGA Suspend PCMCIA Suspend Audio Power Down Hard Disk Power Down CD-ROM Power Down Super I/O Low Power mode Also called Hibernation Mode. System saves all system states and data onto the disc prior to power off the whole system. Chapter 1 37