C
Pinouts and Mapping
116
MXM connector
The
onboard
MXM
connector
is
used
by
two
types
of
Mobile
PCI
eXpress
Module
(MXM)
devices;
a
supported
Type
A
MXM
3.0
video
module
or
the
Radisys
Dual
Solid
State
Drive
(DSSD)
MXM
module.
Both
types
of
supported
modules
derive
all
input,
output,
and
power
resources
from
the
MXM
connector.
The
pinout
for
the
MXM
connector
is
defined
in
the
MXM
3.0
specification
and
is
also
listed
in
Table 50
.
Table 50. MXM 3.0 connector pinout
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
E1
+12V
E2
+12V
141 PE3_CPU0_RX_C_DN<1>
142 PE3_CPU0_TX_DN<1>
E3
GND
E4
GND
143 PE3_CPU0_RX_C_DP<1>
144 PE3_CPU0_TX_DP<1>
1
+5V_MXM
2
MXM_PRSNT_R*
145 GND
146 GND
3
+5V_MXM
4
NC
147 PE3_CPU0_RX_C_DN<0>
148 PE3_CPU0_TX_DN<0>
5
+5V_MXM
6
MXM_PWR_GOOD
149 PE3_CPU0_RX_C_DP<0>
150 PE3_CPU0_TX_DP<0>
7
+5V_MXM
8
MXM_PWR_EN
151 GND
152 GND
9
+5V_MXM
10
NC (Reserved)
153 CLK100M_MXM_PCIE_N
154 MXM_CLK_EN_R*
11
GND
12
NC (Reserved)
155 CLK100M_MXM_PCIE_P
156 MXM_PERST*
13
GND
14
NC (Reserved)
157 GND
158 NC
15
GND
16
NC (Reserved)
159 NC (Reserved)
160 NC
17
GND
18
MXM_PWR_LEVEL
161 NC (Reserved)
162 NC
19
MXM_STD_SW*
20
MXM_TH_OVERT*
163 NC (Reserved)
164 NC
21
NC
22
MXM_TH_ALERT*
165 NC (Reserved)
166 GND
23
NC
24
NC
167 NC (Reserved)
168 NC
25
NC
26
NC
169 NC
170 NC
27
NC
28
NC
171 NC
172 NC
29
HDMI_CEC
30
NC
173 GND
174 GND
31
NC
32
I2C3_PLOAD_SDA
175 NC
176 NC
33
NC
34
I2C3_PLOAD_SCL
177 NC
178 NC
35
NC
36
GND
179 GND
180 GND
37
GND
38
NC
181 NC
182 NC
39
NC
40
NC
183 NC
184 NC
41
NC
42
NC
185 GND
186 GND
43
NC
44
MXM_CUSTOM_ID0
187 NC
188 NC
45
MXM_CUSTOM_ID1
46
GND
189 NC
190 NC
47
GND
48
PE3_CPU0_TX_DN<15>
191 GND
192 GND
49
PE3_CPU0_RX_C_DN<15>
50
PE3_CPU0_TX_DP<15>
193 NC
194 NC
51
PE3_CPU0_RX_C_DP<15>
52
GND
195 NC
196 NC
53
GND
54
PE3_CPU0_TX_DN<14>
197 GND
198 GND
55
PE3_CPU0_RX_C_DN<14>
56
PE3_CPU0_TX_DP<14>
199 NC
200 NC
57
PE3_CPU0_RX_C_DP<14>
58
GND
201 NC
202 NC
59
GND
60
PE3_CPU0_TX_DN<13>
203 GND
204 GND
61
PE3_CPU0_RX_C_DN<13>
62
PE3_CPU0_TX_DP<13>
205 NC
206 NC
63
PE3_CPU0_RX_C_DP<13>
64
GND
207 NC
208 NC
65
GND
66
PE3_CPU0_TX_DN<12>
209 GND
210 GND
67
PE3_CPU0_RX_C_DN<12>
68
PE3_CPU0_TX_DP<12>
211 NC
212 NC
69
PE3_CPU0_RX_C_DP<12>
70
GND
213 NC
214 NC
