Acer 500L - Manual (Page 29)

Chapter 2 System Board 2-5
Jumper Settings
Jumper Setting Function
Password Security
JP3 1-2
2-3* Check password
Bypass password
BIOS
JP4 1-2*
2-3 Acer
OEM
Connector Functions
The table below lists the different connectors on the system board and
their respective functions.
Connector Function
CN1 Suspend 5V
CN2 CPU thermal sensor connector
CN3 CPU fan connector
CN5 Power connector
CN6 Floppy disk connector
CN7 USB connectors
CN8 COM1 (lower right), COM2 (lower left), and
Parallel port (above)
CN9 Upper: PS/2 mouse connector
Lower: PS/2 keyboard connector
CN10 Enhanced IDE 2 connector
CN11 Enhanced IDE 1 connector
CN12 Hard disk LED connector
CN13 SCSI disk LED connector
CN15 Wake up On LAN connector (reserved * )
* Reserved items are items that are supported by the system board but not available
in the current version.