Lanner LEC-7920 - Page 16

16
Board Layout
Chapter 3
Embedded and Industrial Computing
Mini PCI Express Connector (CN9):
PIN Pin Name PIN Pin Name
1 WAKE# 27 GND
2 +3.3V 28 +1.5V
3 Reserved 29 GND
4 GND 30 SMB_CLK
5 Reserved 31 PETn0
6 1.5V 32 SMB_DATA
7 CLKREQ# 33 PETp0
8 RESERVED 34 GND
9 GND 35 GND
10 RESERVED 36 USB_D-
11 REFCLK- 37 RSVERD
12 RESERVED 38 USB_D+
13 REFCLK+ 39 RSVERD
14 RESERVED 40 GND
15 GND 41 RESERVED
16 RESERVED 42 RESERVED
17 RESERVED (UIM_C8) 43 RESERVED
18 GND 44 RESERVED
19 RESERVED (UIM_C4) 45 RESERVED
20 ENABLE 46 RESERVED
21 GND 47 RESERVED
22 PERST# 48 +1.5V
23 PERn0 49 RESERVED
24 +3.3Vaux 50 GND
25 PERp0 51 RESERVED
26 GND 52 +3.3V
Audio Output (CN3)
Pin No. Description
1,3 GND
2 AUDIO_OUT_L
4 AUDIO_JD
5 AUDIO_OUT_R
Microphone Input (CN4)
Pin No. Description
1,3 GND
2 MIC_OUT_L
4 MIC_JD
5 MIC_OUT_R
Line-in (J2)
Pin No. Description
1 LINE_OUT-R
2 LINE_JD
3 LINE_OUT-L
4 GND
1
2
3
4
DVI-D Connector (CN1): A single link DVI-D Connector
Pin No. Description Pin No. Description
1 DATA2- 2 DATA2+
3 GND 4 NC
5 NC 6 DDC_CLK
7 DDC_DAT 8 NC
9 DATA1- 10 DATA1+
11 GND 12 NC
13 NC 14 +5V
15 GND 16 HPD
17 DATA0- 18 DATA0+
19 GND 20 NC
21 NC 22 GND
23 CLK+ 24 CLK-
DVI-I Connector (CN19): A single link DVI-D Connector
Pin No. Description Pin No. Description
1 DATA2- 2 DATA2+
3 GND 4 NC
5 NC 6 DDC_CLK
7 DDC_DAT 8 NC
9 DATA1- 10 DATA1+
11 GND 12 NC
13 NC 14 +5V
15 GND 16 HPD
17 DATA0- 18 DATA0+
19 GND 20 NC
21 NC 22 GND
23 CLK_P 24 CLK_N
Reset Button (SW9)
Pin NO. Description
1 RST_BTN_N
2 GND
3 N.C.
4 GND
1 8
17 24
4
2
3
1
1 8
17 24
C1 C2
C3 C4