Acer Aspire 1800 Aspire 1800 Service Guide - Page 39

AC Adapter Item Specification DC output voltage 18.0 ~ 20.0 Constant output 7.9A Dynamic Output Characteristics Start-up time 3 sec. (@115 Vac and 230Vac full load) Hold up time 5ms min. (@115 Vac input, full load) Over Voltage Protection 25V (OVP) Short circuit protection Output can be shorted without damage, and auto recovery Electrostatic discharge (ESD) 15kV (at air discharge) 8kV (at contact discharge) Dielectric Withstand Voltage Primary to secondary 4242 Vdc for 1 second- Leakage current 60uA at 240Vac/60Hz Regulatory Requirements 1. FCC class B requirements (USA) 2. VDE class B requirements (German) 3. VCCI classII requirements (Japan) Power Management ACPI Mode Mech. Off (G3) Soft Off (G2/S5) Working (G0/S0) Sleeping State (S3) Sleeping State (S4) Power Management All devices in the system are turned off completely. OS initiated shutdown. All devices in the system are turned off completely. Individual devices such as the CPU and hard disk may be power managed in this state. CPU Power Down VGA Power Down PCMCIA Suspend Audio Power Down Hard Disk Power Down Super I/O Power Down Also called Hibernate state. System saves all system states and data onto the disk prior to power off the whole system. Environmental Requirements Item Temperature Operating Non-operating Humidity Operating Altitude Specification +5 ~ +35°C -20 ~ +65°C (storage package) 10% ~ 90% without condensation Operating sea level 0 to 10,000ft Storage sea level 0 to 40,000ft Chapter 1 31