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Super A2SAN-H/-E/-L and X11SAN User's Manual
General Purpose I/O Header
The JGP1 (General Purpose Input/Output) header is a general purpose I/O expander on a
pin header via the SMBus. Each pin can be configured to be an input pin or output pin. The
GPIO is controlled via the PCA9554APW 8-bit GPIO expansion from PCH SMBus. The base
address is 0xF040. The expander slave address is 0x4C for WRITE and READ. See the table
below for pin definitions.
Speaker
If you wish to use an external speaker, connect a cable to pins 1-4 on the JD1 header. See
the table below for pin definitions.
VGA
JPF1
FAN1
JIP1
A2SAN-L
REV: 2.00
DESIGNED IN USA
JLCDPWR1
JCOM2: COM3/COM4
JCOM3: COM5/COM6
GPIO Header
Pin Definitions
Pin#
Definition
Pin#
1
P3V3SB
2
3
GP_P3V3_GP0
4
5
GP_P3V3_GP1
6
7
GP_P3V3_GP2
8
9
GP_P3V3_GP3
10
Speaker Connector
Pin Definitions
Pin#
Signal
1
P5V
2
NC
3
NC
4
R_SPKPIN
USB6(3.1)
JHDMI1
USB4/5(3.0)
USB2/3
CPU1
JCOM1: COM1/COM2
40
Definition
GND
GP_P3V3_GP4
GP_P3V3_GP5
GP_P3V3_GP6
GP_P3V3_GP7
2
JD1
JPH1
I-SATA1
LAN2
LAN1
LED1
JD1:
1
SPEAKER
JGP1
USB0/1
JF1
JF1
PWR
ON
X
RST
X
HDD LED
X
PWR LED
X
AUDIO FP
BT1
JPME2
1. JGP1
2. Speaker
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