Connector Pin Definition; Cn1, Cn2 Pin Assignments - Acrosser Technology ACM-XE21B6 User Manual

2.2.

Connector Pin Definition

CCMOS1
SO-DIMM1, SO-DIMM2
CPUFAN1
CN1, CN2

2.2.1. CN1, CN2 Pin Assignments

Pin # CN1 – Row A
GND(FIXED)
1
GBE0_MDI3-
2
GBE0_MDI3+
3
GBE0_LINK100#
4
GBE0_LINK1000#
5
GBE0_MDI2-
6
GBE0_MDI2+
7
No Connect (Note1)
8
GBE0_MDI1-
9
GBE0_MDI1+
10
GND(FIXED)
11
GBE0_MDI0-
12
GBE0_MDI0+
13
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CMOS Memory Clearing Pads
Short these two soldering pads and then open to reset PCH
registers in the RTC well to default value.
ECC DDR4 SO-DIMM 260P
Fan Connector
Header: 3-pin. Pitch: 2.54mm.
CN1: COM Express Module Type 6 Connector Rows A/B
CN2: COM Express Module Type 6 Connector Rows C/D
(Refer to the following CN1, CN2 Pin Assignments)
CN1 – Row B
GND(FIXED)
GBE0_ACT#
LPC_FRAME#
LPC_AD0
LPC_AD1
LPC_AD2
LPC_AD3
LPC_DRQ0#
LPC_DRQ1#
LPC_CLK
GND(FIXED)
PWRBTN#
SMB_CK
PADS Signal
Short Clear CMOS
Open Normal
Pin # Signal
1 GND
2 +12V
3 FAN Speed Sensor
CN2 – Row C
GND(FIXED)
GND(FIXED)
USB_SSRX0-
USB_SSRX0+
GND(FIXED)
USB_SSRX1-
USB_SSRX1+
GND(FIXED)
USB_SSRX2-
USB_SSRX2+
GND(FIXED)
USB_SSRX3-
USB_SSRX3+
ACM-XE21B6
CN2 – Row D
GND(FIXED)
GND(FIXED)
USB_SSTX0-
USB_SSTX0+
GND(FIXED)
USB_SSTX1-
USB_SSTX1+
GND(FIXED)
USB_SSTX2-
USB_SSTX2+
GND(FIXED)
USB_SSTX3-
USB_SSTX3+
9