Acer Aspire 4920 Service Guide - Page 49

AC Adapter Item Vendor Model Name Output rating Input (Vac) System Power Management ACPI mode Off On Specification Delta ADP-90SB BBDAF ADP-90SB BBEA LF 19 V/4.74 A, 90 W 90 ~ 270 Lite-On PA-1900-24 AR PA-1900-04 WR 19 V , 90 W 100 ~ 240 Power Management • Mech. Off (G3): All devices in the system are turned off completely. • Soft Off (G2/S5): OS initiated shutdown. All devices in the system are turned off completely. • Working (G0/S0): Individual devices such as the CPU and hard disk may be power managed in this state. • Suspend to RAM (S3): CPU set power down, VGA Suspend, PCMCIA Suspend, Audio Power Down, Hard Disk Power Down, CD-ROM Power Down, and Super I/O Low Power mode. • Save to Disk (S4): Also called Hibernation Mode. System saves all system states and data onto the disc prior to system shutdown. Chapter 1 39