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Internal I/O Connectors
X
LPC Connector
DDR4_1
2
System
4
1
1
1
+12V Power
1
5
Fan 1
8
5
2
6
JP2
Battery
1
5
2
6
JP3
1
5
2
6
Socket LGA1200
JP1
1
5
PCIe 1 (PCIe x16)
DDR4_2
1
2
LAN LED
(opt.)PCIe 2 (PCIe x4)
7
8
Intel
PCIe 3 (PCIe x4)
Front Audio
W480E/Q470E
1
2
PCIe 4 (PCIe x16)
9
10
S/PDIF
PCIe 5 (PCIe x4)
M2JP1
1
1
1
2
6
PCIe 6 (PCIe x4)
1
5
PCI 1
M2JP2
1
2
10
1
11
20
1
1
1
1
1
1
1
Buzzer
1
1
1
10
1
1
M2JP3
DIO
M2JP4
Power
The Low Pin Count Interface was defined by Intel
tion towards legacy free systems. It allows the integration of low-bandwidth legacy I/O compo-
nents within the system, which are typically provided by a Super I/O controller. Furthermore, it
can be used to interface firmware hubs, Trusted Platform Module (TPM) devices and embed-
ded controller solutions. Data transfer on the LPC bus is implemented over a 4 bit serialized
data interface, which uses a 33MHz LPC bus clock. For more information about LPC bus refer
to the Intel
Low Pin Count Interface Specification Revision 1.1'. The table below indicates the
®
pin functions of the LPC connector.
Pin
Assignment
1
CLK
3
RST#
5
FRAME#
7
LAD3
9
LAD2
11
SERIRQ
13
5V5B
User's Manual | CMS632-W480E/Q470E
„ LPC Connector
14
13
DDR4_3
1
14
13
LPC
2
1
12
24
1
2
1
13
1
2
USB
11
10
11
1
20
1
2
DDR4_4
9
10
5
1
6
2
5
1
JP27
1
2
6
2
5
1
5
6
6
2
1
M.2 E Key
2230
(opt.)
2
JP7
1
9
5
1
2
6
2
1
9
2
1
9
2
1
9
2
CN37
1
9
1
SOJ2
JP26
1
1
Corporation to facilitate the industry's transi-
®
Pin
Assignment
2
L_AD1
4
L_AD0
6
VCC3
8
GND
10
---
12
GND
14
5V
Internal I/O Connectors
X
PS2
2
1
5
2
6
JP2
1
5
2
6
JP3
1
5
2
JP1
1
5
PCIe 1 (PCIe x16)
1
2
LAN LED
(opt.)PCIe 2 (PCIe x4)
7
8
PCIe 3 (PCIe x4)
Front Audio
1
2
PCIe 4 (PCIe x16)
9
10
S/PDIF
PCIe 5 (PCIe x4)
1
1
2
6
1
5
PCIe 6 (PCIe x4)
11
20
1
10
1
„ PS2 Pin Assignment
Pin
Assignment
Pin
1
KCLK
2
3
KDAT
4
5
GND
6
7
---
8
9
GND
10
Chapter 2
HARDWARE INSTALLATION
DDR4_1
DDR4_3
System
4
1
+12V Power
1
1
Fan 1
8
5
1
Battery
6
14
13
Socket LGA1200
LPC
2
1
12
24
1
13
1
2
USB
11
10
11
1
20
1
2
DDR4_2
DDR4_4
9
10
5
1
6
2
5
1
Intel
JP27
1
2
6
2
5
1
5
6
6
2
W480E/Q470E
1
M.2 E Key
2230
(opt.)
2
1
M2JP1
JP7
1
9
5
1
2
6
2
1
9
2
1
9
2
1
9
PCI 1
2
CN37
1
9
1
SOJ2
M2JP2
1
JP26
2
10
1
1
1
1
1
1
1
Buzzer
1
1
1
1
1
1
M2JP3
DIO
M2JP4
Power
1
2
Assignment
9
10
MCLK
MDAT
GND
GND
GND
28
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