6
1.4.3 Jumper Settings and I/O Connector
The onboard jumper settings and I/O connector of EM-661 are custom-tailored to fit the
FW-6420 functionality. Changing the jumper settings may result in system malfunction or
unforeseen damages.
Jumper Settings and I/O Connector Summary for EM-661
JUMPER
FUNCTION
CMOS1
Clear CMOS Data
PLRS1
Power LED,HD LED, Reset, Speaker Connector(11 Pin 2.54mm)
FAN1
3 Pin Fan Connector
LAN1-4 LAN
Connector
PRJK1
3 Pin Power Input Jack
COMA1
RS-232 Serial Port #1 Connector ( D-Sub )
PKMB1
PS/2 Keyboard & Mouse Connector
VGAB1
External VGA Connector ( Header )
LPTA1 Parallel
Connector
USBB1
Dual USB Connector
CF1
Compact Flash Connector
IDEB1
IDE Interface Connector
PCIB1
124 Pin Mini PCI Socket
1.4.4 Connector Pin Assignments
CMOS1:Clear CMOS Data
COM1
Description
1-2
Normal (Default)
2-3
Clear CMOS
PLRS1:Power LED,HD LED, Reset, Speaker Connector(11 Pin 2.54mm)
Pin No.
Description
Pin No.
Description
1
Power LED +
2
Power LED -
3
Ground
4
HDD LED +
5
HDD LED -
6
RESET SW +
7
RESET SW – (GND)
8
External Speaker -
9
Internal Buzzer -
10
NC
11
External S