Acer 250 manual Power Management, Power Saving Mode Phenomenon Standby Mode, Hibernation Mode

AC Adapter

Item	Specification
DC output voltage	19V
Noise + Ripple	300mVp-pmax (20 MHz bandwidth)
Load	0(min) 3.16A(max)
Output Ratings (CC mode)
DC output voltage	19V +/-1.0V for CV mode
Constant current mode	3.6 +/- 0.3A
Dynamic Output Characteristics
Turn-on delay time	3 sec (@ 115Vac)
Hold up time	5ms (@115Vac, Full load)
Over Voltage Protection (OVP)	24V
Short circuit protection	3.9A max can be protected and output can be shorted without damage
Electrostatic discharge (ESD)	15KV (at air discharge)
	8KV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary	3000Vac
Leakage current	0.25 mA max. (@ 254Vac, 60Hz)
Regulatory Requirements	Safety Requirements:
	1.The subject product rated 100-120V 60Hz must be listed under UL 1950 and
	certified with SCA Standard C22.2 No.950.
	2.The subject product rated 200-240V 50Hz must comply with low voltage
	directive 73/23EEC.
	EMI Requirements:
	1.The subject product rated 100-120V 60Hz must meet the EMI requirements
	of FCC part 15, Subpart B for Class B Digital Device and get FCC Certification
	before marketing into USA and Canada.
	2.The subject product rated 200-240V 50Hz must meet the EMC Directive 89/
	336/EEC.
	3.The subject product rated 100-120V must meet the VCCI-2 EMI
	requirements.

Power Management

Power Saving Mode	Phenomenon
Standby Mode	The buzzer beeps
Enter Standby Mode when	The Sleep indicator lights up
1.Standby/Hibernation hot-key is pressed
and system is not ready to enter Hibernation
mode.
2.System standby/ Hibernation timer expires
and system is not ready to enter Hibernation
mode.
Hibernation Mode	All power shuts off
Enter Hibernation Mode (suspend to HDD)
when
1.Hibernation hot-key is pressed and
system is ready to enter Hibernation mode
2.System Hibernation timer expires and
system is ready to enter Hibernation mode.
Display Standby Mode	The display shuts off
Keyboard, built-in touchpad, and an external
PS/2 pointing device are idle for a specified
period.

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