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X11SDV-16C/-12C/-8C/-4C-TP8F 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 in
2.54mm pitch. The GPIO is controlled by the PCA9554APW 8-bit GPIO expansion from PCH
SMBus. The base address is 0x780. The expander slave address is 0x70 for WRITE and
0x71 for READ. See the table below for pin definitions.
Serial General Purpose I/O Header
One S-SGPIO (Serial Link General Purpose Input/Output) header is at S-SGPIO1 on the
motherboard. Refer to the table below for pin definitions.
A
A
JPB1:(debug only)
1-2:ENABLE
C
C
2-3:DISABLE
2
1
LEDM1
1
JPG1
JWD1
JPUSB1
JPME2
JMP1
PCI-E 3.0 X1
JL1
USB 0/1
JMD2_SRW1
2
G4
G1
USB 2/3
S1
JSIM1
S3
S2
S5
S4
S6
G2
G3
JMD2
M.2-H
PCI-E 3.0 X2/S-SATA4
2
JBT1
JTGLED2
COM1
JGP1
JTPM1
JF1
1
JF1:
HDD
PWR
OH
PWR
RST
X
NIC2
NIC1
ON
FF
LED
LED
I-SATA0-3
I-SATA4-7
PRESS FIT
PRESS FIT
LED1
:LEDPWR
GPIO Header
Pin Definitions
Pin#
Definition
1
3V3SB
3
GP0
5
GP2
7
GP5
9
GP6
SGPIO Header
Pin Definitions
Pin#
Definition
1
NC
3
GND
5
Load
7
Clock
NC = No Connection
PRESS FIT
VGA
LAN 5/6
A
A
C
A
A
C
C
SFP1
LAN 7/8
CPU
BAR CODE
X11SDV-8C-TP8F
REV:1.02
MADE IN USA
16
FAN4
Pin#
Definition
2
GND
4
GP1
6
GP3
8
GP5
10
GP7
Pin#
Definition
2
NC
4
Data
6
GND
8
NC
1. General Purpose I/O
JPL1:
2. Serial General Purpose
IPMI_LAN
LAN 3/4
LAN 1/2
USB 4/5 (3.0)
JPV1
JPH1
FAN2
FAN1
FAN3
40
Header
I/O Header
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