Front Panel Header (Cn5); Gpio Header (Cn6) - AXIOMTEK imb500 User Manual

2.4.4

Front Panel Header (CN5)

This is front panel header (7x2-pin p=2.54mm).
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
[*]
: The buzzer on motherboard will be active when pin 2 and pin 4 is
connected; the external speaker on chassis will be active when pin 2 and
pin 4 is open.
Note
2.4.5

GPIO Header (CN6)

This header (5x2-pin p=2.00mm) is for digital I/O interface.
Pin Signal
SIO_GPO74
1
(0xA06 Bit4, H)
SIO_GPO75
3
(0xA06 Bit5, H)
SIO_GPO76
5
(0xA06 Bit6, H)
SIO_GPO77
7
(0xA06 Bit7, H)
9 GND
[*]
: "H" or "L" means the default voltage is High or Low level, and GPIO
output is 5V. The GPI or GPO and High or Low level can be selected with
BIOS setting.
Note
Board and Pin Assignments
Signal
Power LED+
[*]
SPK-
GND
BUZZER
Power LED-
N/C
N/C
[*]
SPK+
PWR-
PWR+
RESET-
RESET+
HD LED-
HD LED+
Pin Signal
SIO_GPO70
2
[*]
(0xA06 Bit0, H)
SIO_GPO71
4
(0xA06 Bit1, H)
SIO_GPO72
6
(0xA06 Bit2, H)
SIO_GPO73
8
(0xA06 Bit3, H)
10 GND
IMB500 LGA1151 ATX Motherboard
13