APPENDIX
WMP-226(V)/227(V) User’s manual
36
J19
– Battery Socket
Pin #
Signal Description
1
RTC +3.3V
2
GND
J20
–Standard PCIE X16 Slot Interface
Pin #
Signal Description
Pin #
Signal Description
1
WAKE#
2
+3.3VSB
3
Reserved
4
GND
5
Reserved
6
+1.5VS
7
CLKREQ#
8
Reserved
9
GND
10
Reserved
11
REFCLK-
12
Reserved
13
14
Reserved
15
GND
16
Reserved
17
Reserved
18
GND
19
Reserved
20
Reserved
21
GND
22
PERST#
23
PERn0
24
+3.3VSB
25
PERp0
26
GND
27
GND
28
+1.5VS
29
GND
30
SMB_CLK
31
PETn0
32
SMB_DATA
33
PETp0
34
GND
35
GND
36
USB_D-
37
GND
38
USB_D+
39
+3.3VSB
40
GND
41
+3.3VSB
42
Reserved
43
GND
44
Reserved
45
CL_CLK
46
Reserved
47
CL_ DATA
48
+1.5VS
49
Controller Link RST#
50
GND
51
Reserved
52
+3.3VSB
