Aplex Technology OPC-5127 - Manual (Page 26)

OPC-5XX7 User Manual 26
IOW# 23 24 Ground
IOR# 25 26 Ground
IOCHRDY 27 28 Ground
DACK# 29 30 Ground
IRQ14 31 32 NC
Address 1 33 34 IDE_PDIAG
Address 0 35 36 Address 2
Chip select 0 37 38 Chip select 1
Activity 39 40 Ground
+5V 41 42 +5V
Ground 43 44 NC
Note:
If two IDE devices are connected, CF card connection cannot be realized.
12. F_PANEL
(2.0MM 2X5) Front panel connector
Signal Name Pin# Pin# Signal Name
HD LED+ 1 2 POWER
LED+
HD LED- 3 4 POWER LED-
Ground 5 6 PWRBTN
RESET 7 8 Ground
BUZZER+ 9 10 BUZZER-
PIN1&3: They are used to connect hard disk activity LED. The LED blinks when the hard disk is
reading or writing data.
PIN2&4: They are used to connect power LED. When the system is powered on or under S0/S1
state, the LED is normally on; when the system is under S4/S5 state, the LED is off.
PIN5&6: They are used to connect power switch button. The two pins are disconnected under
normal condition. You may short them temporarily to realize system startup & shutdown or
awaken the system from sleep state.
PIN7&8: They are used to connect reset button. The two pins are disconnected under normal
condition. You may short them temporarily to realize system reset.
PIN9&10: They are used to connect an external buzzer.
Note:
When connecting LEDs and buzzer, pay special attention to the signal polarity.
Make sure that the connector pins have a one-to-one correspondence with chassis wiring, or it
may cause boot up failure.