Manual
Page 51
... ACPI S3 (Suspend to its working state exactly where it was left off. When signaled by a wake-up device or event, the system resumes to RAM) sleep state (default). Press and hold the power button for less than in the S1 state. If the power button is pressed for 4 seconds to...
... ACPI S3 (Suspend to its working state exactly where it was left off. When signaled by a wake-up device or event, the system resumes to RAM) sleep state (default). Press and hold the power button for less than in the S1 state. If the power button is pressed for 4 seconds to...