Acer 3300S - Manual (Page 86)

Chapter 5 80
Front Panel Connectors: JFP1 & JFP2
The mainboard provides front panel connectors for electrical connection
to the front panel switches and LEDs. Users can choose either the JFP1 or the
JFP2 depending on their needs. JFP1 is compliant with Intel
® Front Panel I/O
Connectivity Design Guide .
PIN SIGNAL DESCRIPTION
1 HD_LED_P Hard disk LED pull-up
2 FP PWR/SLP MSG LED pull-up
3 HD_LED_N Hard disk active LED
4 FP PWR/SLP MSG LED pull-up
5 RST_SW_N Reset Switch low reference pull-down to GND
6 PWR_SW_P Power Switch high reference pull-up
7 RST_SW_P Reset Switch high reference pull-up
8 PWR_SW_N Power Switch low reference pull-down to GND
9 RSVD_DNU Reserved. Do not use.
JFP1 Pin Definition
Note for JFP2:
If onboard buzzer is available, you can short pins 4 &
6 to have the buzzer enabled or open pins 4 & 6 to
have the buzzer disabled.
JFP2
6 4
JFP2
Power
LED
Speaker
Buzzer
(short pin)
1 7
2 8
JFP1
(Intel spec) 1 9
2 10
HDD
LED Reset
Switch
Power
LED Power
Switch