COM Express Interfaces
2.6.2. Reference Schematics
Figure 24: MXM Reference Schematics
PICMG
®
COM Express
®
Carrier Board Design Guide Draft Rev. 2.0 / December 6, 2013 68/218
MXM_PWR_OK
MXM_PWR_EN
MXM_TH_PWM
SMB_DAT_MXM
SMB_CLK_MXM
MXM_PRSNT_L#
MXM_PRSNT_R#
DP3_MXM_LANE3+
DP3_MXM_LANE3-
DP3_MXM_LANE0+
DP3_MXM_LANE1+
DP3_MXM_LANE1-
DP3_MXM_LANE2+
DP3_MXM_LANE0-
DP3_MXM_LANE2-
DP3_HPD
DP3_LANE2+
DP3_LANE2-
DP3_LANE3+
DP3_LANE3-
DP3_LANE0+
DP3_LANE0-
DP3_LANE1+
DP3_LANE1-
DP1_MXM_LANE3+
DP1_MXM_LANE3-
DP1_MXM_LANE0+
DP1_MXM_LANE0-
DP1_MXM_LANE1+
DP1_MXM_LANE1-
DP1_MXM_LANE2+
DP1_MXM_LANE2-
DP1_HPDPEX_RX5_N
PEX_RX5_P
PEX_RX4_N
PEX_RX4_P
PEX_RX13_N
PEX_RX13_P
PEX_RX12_N
PEX_RX12_P
PEX_RX1_N
PEX_RX1_P
PEX_RX7_N
PEX_RX7_P
PEX_RX6_N
PEX_RX6_P
PEX_RX15_N
PEX_RX15_P
PEX_RX14_N
PEX_RX14_P
MXM3_CLK_REQ#
PEX_RX0_N
PEX_RX9_N
PEX_RX9_P
PEX_RX8_N
PEX_RX8_P
PEX_RX0_P
PEX_RX11_N
PEX_RX11_P
PEX_RX10_N
PEX_RX10_P
PEX_RX3_N
PEX_RX3_P
PEX_RX2_N
PEX_RX2_P
DP1_LANE3+
DP1_LANE3-
DP1_LANE0+
DP1_LANE0-
DP1_LANE1+
DP1_LANE1-
DP1_LANE2+
DP1_LANE2-
MXM_WAKE#
DP1_AUX-
DP1_AUX+
PEX_STD_SW#
DP3_AUX-
DP3_AUX+
MXM_TH_OVERT#
VCC_12V
VCC_12V
VCC_5V0
VCC_5V0
VCC_3V3
VCC_3V3
VCC_3V3
VCC_3V3
VCC_3V3_SBY
Do not stuff
VCC_3V3
SMBDATA_S0
MXM_PWR_EN
SMBCLK_S0
MXM_PWR_OK
MXM_TH_OVERT#
MXM_TH_PWM
MXM_PRSNT_L#
MXM_PRSNT_R#
PCIE_RESET1#
PEG_RX0_P
PEG_RX14_P
PEG_RX14_N
PEG_RX15_P
PEG_RX15_N
PEG_RX0_N
PEG_RX1_P
PEG_RX1_N
PEG_RX2_P
PEG_RX2_N
PEG_RX3_P
PEG_RX3_N
PEG_RX4_P
PEG_RX4_N
PEG_RX5_P
PEG_RX5_N
PEG_RX6_P
PEG_RX6_N
PEG_RX7_P
PEG_RX7_N
PEG_RX8_P
PEG_RX8_N
PEG_RX9_P
PEG_RX9_N
PEG_RX10_P
PEG_RX10_N
PEG_RX11_P
PEG_RX11_N
PEG_RX12_P
PEG_RX12_N
PEG_RX13_P
PEG_RX13_N
DP3_LANE0+
DP3_LANE0-
DP3_LANE1+
DP3_LANE1-
DP3_LANE2+
DP3_LANE2-
DP3_LANE3+
DP3_LANE3-
DP1_LANE0+
DP1_LANE0-
DP1_LANE1+
DP1_LANE1-
DP1_LANE2+
DP1_LANE2-
DP1_LANE3+
DP1_LANE3-
DP1_AUX+
DP1_AUX-
PEG_TX1_P
PEG_TX1_N
PEG_TX2_N
PEG_TX2_P
PEG_TX3_P
PEG_TX3_N
PEG_TX4_N
PEG_TX4_P
PEG_TX5_N
PEG_TX5_P
PEG_TX6_P
PEG_TX6_N
PEG_TX7_N
PEG_TX0_P
PEG_TX0_N
PEG_TX7_P
PEG_TX8_N
PEG_TX8_P
PEG_TX9_P
PEG_TX9_N
PEG_TX10_N
PEG_TX10_P
PEG_TX11_P
PEG_TX11_N
PEG_TX12_N
PEG_TX12_P
PEG_TX13_N
PEG_TX13_P
PEG_TX14_P
PEG_TX14_N
PEG_TX15_N
PEG_TX15_P
PCIE_CLKPEG_N
PCIE_CLKPEG_P
DP1_HPD
DP3_HPD
WAKE0#
PEG_CLK_REQ#
DP3_AUX+
DP3_AUX-
5.0V +/- 6% (2.5A)
12V up to 10A
3.3V +/- 6% (1.0A)
Earliest asserted 1ms after
3.3V, 5V and 12V are stable
Asserted within 90ms after PWR_EN
pull-up on COM Express module
C184
C202 C100nS02V16XC202 C100nS02V16X
C181 C100nS02V16XC181 C100nS02V16X
R118 R5%0R0S02R118 R5%0R0S02
C182
R123
R1%10k0S02
R123
R1%10k0S02
C213
C10uS05V16X
C213
C10uS05V16X
C198 C100nS02V16XC198 C100nS02V16X
C214
C100nS03V50X
C214
C100nS03V50X
C183
C186
C191
C178 C100nS02V16XC178 C100nS02V16X
R115 R5%0R0S02R115 R5%0R0S02
C187
C179
C175
C203
C188
C212
C100nS03V50X
C212
C100nS03V50X
R121
R5%100kS02
R121
R5%100kS02
C176
C185
C177 C100nS02V16XC177 C100nS02V16X
C189
C180 C100nS02V16XC180 C100nS02V16X
X20A
XMXMIII314SMD0M5
X20A
XMXMIII314SMD0M5
PEX_RX0#
147
PEX_RX0
149
PEX_RX1#
141
PEX_RX1
143
PEX_RX2#
135
PEX_RX2
137
PEX_RX3#
121
PEX_RX3
123
PEX_RX4#
115
PEX_RX4
117
PEX_RX5#
109
PEX_RX5
111
PEX_RX6#
103
PEX_RX6
105
PEX_RX7#
97
PEX_RX7
99
PEX_RX8#
91
PEX_RX8
93
PEX_RX9#
85
PEX_RX9
87
PEX_RX10#
79
PEX_RX10
81
PEX_RX11#
73
PEX_RX11
75
PEX_RX12#
67
PEX_RX12
69
PEX_RX13#
61
PEX_RX13
63
PEX_RX14#
55
PEX_RX14
57
PEX_RX15#
49
PEX_RX15
51
PEX_TX0#
148
PEX_TX0
150
PEX_TX1#
142
PEX_TX1
144
PEX_TX2#
136
PEX_TX2
138
PEX_TX3#
120
PEX_TX3
122
PEX_TX4#
114
PEX_TX4
116
PEX_TX5#
108
PEX_TX5
110
PEX_TX6#
102
PEX_TX6
104
PEX_TX7#
96
PEX_TX7
98
PEX_TX8#
90
PEX_TX8
92
PEX_TX9#
84
PEX_TX9
86
PEX_TX10#
78
PEX_TX10
80
PEX_TX11#
72
PEX_TX11
74
PEX_TX12#
66
PEX_TX12
68
PEX_TX13#
60
PEX_TX13
62
PEX_TX14#
54
PEX_TX14
56
PEX_TX15#
48
PEX_TX15
50
PEX_REFCLK#
153
PEX_REFCLK
155
PEX_RST#
156
PEX_CLK_REQ#
154
PEX_STD_SW#
19
DP_A_L0#
253
DP_A_L0
255
DP_A_L1#
259
DP_A_L1
261
DP_A_L2#
265
DP_A_L2
267
DP_A_L3#
271
DP_A_L3
273
DP_A_AUX#
277
DP_A_AUX
279
DP_A_HPD
276
DP_B_L0#
246
DP_B_L0
248
DP_B_L1#
252
DP_B_L1
254
DP_B_L2#
258
DP_B_L2
260
DP_B_L3#
264
DP_B_L3
266
DP_B_AUX#
270
DP_B_AUX
272
DP_B_HPD
274
DP_C_L0#
199
DP_C_L0
201
DP_C_L1#
205
DP_C_L1
207
DP_C_L2#
211
DP_C_L2
213
DP_C_L3#
217
DP_C_L3
219
DP_C_AUX#
223
DP_C_AUX
225
DP_C_HPD
234
DP_D_L0#
206
DP_D_L0
208
DP_D_L1#
212
DP_D_L1
214
DP_D_L2#
218
DP_D_L2
220
DP_D_L3#
224
DP_D_L3
226
DP_D_AUX#
230
DP_D_AUX
232
DP_D_HPD
236
LVDS_LTX0#
200
LVDS_LTX0
202
LVDS_LTX1#
194
LVDS_LTX1
196
LVDS_LTX2#
188
LVDS_LTX2
190
LVDS_LTX3#
182
LVDS_LTX3
184
LVDS_LCLK#
176
LVDS_LCLK
178
LVDS_UTX0#
193
LVDS_UTX0
195
LVDS_UTX1#
187
LVDS_UTX1
189
LVDS_UTX2#
181
LVDS_UTX2
183
LVDS_UTX3#
175
LVDS_UTX3
177
LVDS_UCLK#
169
LVDS_UCLK
171
LVDS_DDC_CLK
35
LVDS_DDC_DAT
33
DVI_HPD
31
VGA_RED
168
VGA_GREEN
170
VGA_BLUE
172
VGA_VSYNC
162
VGA_HSYNC
164
VGA_DDC_CLK
160
VGA_DDC_DAT
158
C195
R120
R5%100kS02
R120
R5%100kS02
C204 C100nS02V16XC204 C100nS02V16X
C210
C22uS12V25X
C210
C22uS12V25X
C200 C100nS02V16XC200 C100nS02V16X
C164
C219
C100nS03V50X
C219
C100nS03V50X
C160 C100nS02V16XC160 C100nS02V16X
C165
C196 C100nS02V16XC196 C100nS02V16X
C209
C22uS12V25X
C209
C22uS12V25X
R116 R5%0R0S02R116 R5%0R0S02
C192 C100nS02V16XC192 C100nS02V16X
C174
C194 C100nS02V16XC194 C100nS02V16X
R117
R5%100kS02
R117
R5%100kS02
C172
X20B
XMXMIII314SMD0M5
X20B
XMXMIII314SMD0M5
VCC_5V_1
1
VCC_5V_2
3
VCC_5V_3
5
VCC_5V_4
7
VCC_5V_5
9
VCC_3V3_1
278
VCC_3V3_2
280
OEM_1
39
OEM_3
41
OEM_5
43
OEM_7
45
OEM_0
38
OEM_2
40
OEM_4
42
OEM_6
44
RSVD_1
159
RSVD_2
161
RSVD_3
163
RSVD_4
165
RSVD_5
167
RSVD_6
227
RSVD_7
229
RSVD_8
231
RSVD_9
233
RSVD_10
235
RSVD_11
237
RSVD_12
239
RSVD_13
241
RSVD_14
243
RSVD_15
245
RSVD_16
247
RSVD_17
249
RSVD_18
10
RSVD_19
12
RSVD_20
14
RSVD_21
16
RSVD_22
238
RSVD_23
240
RSVD_24
242
SMB_CLK
34
SMB_DAT
32
TH_OVERT#
20
TH_ALERT#
22
TH_PWM
24
PWR_LEVEL
18
PWR_EN
8
PWR_GOOD
6
PNL_PWR_EN
23
PNL_BL_EN
25
PNL_BL_PWM
27
GPIO0
26
GPIO1
28
GPIO2
30
HDMI_CEC
29
VGA_DISABLE#
21
WAKE#
4
PRSNT_R#
2
PRSNT_L#
281
GND_1
11
GND_2
13
GND_3
15
GND_4
17
GND_5
47
GND_6
53
GND_7
59
GND_8
37
GND_9
65
GND_10
71
GND_11
77
GND_12
83
GND_13
89
GND_14
95
GND_15
101
GND_16
107
GND_17
113
GND_18
119
GND_19
125
GND_20
133
GND_21
139
GND_22
145
GND_23
151
GND_24
157
GND_25
173
GND_26
179
GND_27
191
GND_28
197
GND_29
203
GND_30
209
GND_31
215
GND_32
221
GND_33
251
GND_34
257
GND_35
263
GND_36
269
GND_37
275
GND_38
36
GND_39
46
GND_40
52
GND_41
58
GND_42
64
GND_43
70
GND_44
76
GND_45
82
GND_46
88
GND_47
94
GND_48
100
GND_49
106
GND_50
112
GND_51
118
GND_52
124
GND_53
134
GND_54
140
GND_55
146
GND_56
152
GND_57
166
GND_58
174
GND_59
180
GND_60
186
GND_61
192
GND_62
198
GND_63
204
GND_64
210
GND_65
216
GND_66
222
GND_67
228
GND_68
244
GND_69
250
GND_70
256
GND_71
262
GND_72
268
GND_73
185
PWR_SCR_E1_1
E1_1
PWR_SCR_E1_2
E1_2
PWR_SCR_E1_3
E1_3
PWR_SCR_E1_4
E1_4
PWR_SCR_E1_5
E1_5
PWR_SCR_E1_6
E1_6
PWR_SCR_E1_7
E1_7
PWR_SCR_E1_8
E1_8
PWR_SCR_E1_9
E1_9
PWR_SCR_E1_10
E1_10
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