Acer 420 series User Manual page 65

System
•
ACPI support
•
DMI 2.0-compliant
•
Microsoft Windows operating system
Power
•
Battery pack
•
70Wh Li-Ion battery pack
•
2.5~3-hour rapid charge/3.5-hour charge-in-use
•
AC adapter
•
90-Watt
•
Auto sensing 100~240Vac, 50~60Hz
Options
•
128/256/512-MB memory upgrade modules
•
Additional Li-Ion battery pack
•
Additional AC adapter
•
Bay floppy disc drive, DVD driver and DVD/CD-RW drive
•
Acer EasyPort
57