Acer AR320 F1 - Manual (Page 21)

3
External and internal structure
Front panel
The illustration below shows the system front panel.
No. Icon Component No. Icon Component
1 USB 2.0 ports 8 System ID button
2 HDD activity
indicator 9 Power button
3 Power indicator 10 Optical drive bay
4 LAN1 activity
indicator 11 Hot-plug HDD activity
indicator
5 LAN2 activity
indicator 12 Hot-plug HDD status
indicator
6 System ID indicator 13 3.5-inch hard disk
drive (HDD) bays
7 Status/fault
indicator 14 Rack handles