MSI PRO B660M-A WIFI DDR4 User Manual - Page 20
CPU_PWR1~2, ATX_PWR1: Power Connectors
 |
View all MSI PRO B660M-A WIFI DDR4 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 20 highlights
CPU_PWR1~2, ATX_PWR1: Power Connectors These connectors allow you to connect an ATX power supply. CPU_PWR1 8 5 4 1 CPU_PWR1 Pin Signal Name Pin Signal Name 1 Ground 2 Ground 3 Ground 4 Ground 5 +12V 6 +12V 7 +12V 8 +12V 4 3 2 1 CPU_PWR2 CPU_PWR2 Pin Signal Name Pin Signal Name 1 Ground 2 Ground 3 +12V 4 +12V 12 24 1 13 ATX_PWR1 ATX_PWR1 Pin Signal Name Pin Signal Name 1 +3.3V 2 +3.3V 3 Ground 4 +5V 5 Ground 6 +5V 7 Ground 8 PWR OK 9 5VSB 10 +12V 11 +12V 12 +3.3V 13 +3.3V 14 -12V 15 Ground 16 PS-ON# 17 Ground 18 Ground 19 Ground 20 Res 21 +5V 22 +5V 23 +5V 24 Ground ⚠⚠Important Make sure that all the power cables are securely connected to a proper ATX power supply to ensure stable operation of the motherboard. 19
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15 -
16 -
17 -
18 -
19 -
20 -
21 -
22 -
23 -
24 -
25 -
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
-
115
-
116
-
117
-
118
-
119
-
120
-
121
-
122
-
123
-
124
-
125
-
126
-
127
-
128
-
129
-
130
-
131
-
132
-
133
-
134
-
135
-
136
-
137
-
138
-
139
-
140
-
141
-
142
-
143
-
144
-
145
-
146
-
147
-
148
-
149
-
150
-
151
-
152
-
153
-
154
-
155
-
156
-
157
-
158
-
159
-
160
-
161
-
162
-
163
-
164
-
165
-
166
-
167
-
168
-
169
-
170
-
171
-
172
-
173
-
174
-
175
-
176
-
177
-
178
-
179
-
180
-
181
-
182
-
183
-
184
-
185
-
186
-
187
-
188
-
189
-
190
-
191
-
192
-
193
-
194
-
195
-
196
-
197
-
198
-
199
-
200
-
201
-
202
-
203
-
204
-
205
-
206
-
207
-
208
-
209
-
210
-
211
-
212
-
213
-
214
-
215
-
216
-
217
-
218
-
219
-
220
-
221
-
222
-
223
-
224
-
225
-
226
-
227
-
228
-
229
-
230
-
231
-
232
-
233
-
234
-
235
-
236
-
237
-
238
-
239
-
240
-
241
-
242
-
243
-
244
-
245
-
246
-
247
-
248
-
249
-
250
-
251
-
252
-
253
 |
 |
19
⚠
Important
Make sure that all the power cables are securely connected to a proper ATX power
supply to ensure stable operation of the motherboard.
CPU_PWR1~2, ATX_PWR1: Power Connectors
These connectors allow you to connect an ATX power supply.
CPU_PWR1
Pin
Signal Name
Pin
Signal Name
1
Ground
2
Ground
3
Ground
4
Ground
5
+12V
6
+12V
7
+12V
8
+12V
ATX_PWR1
Pin
Signal Name
Pin
Signal Name
1
+3.3V
2
+3.3V
3
Ground
4
+5V
5
Ground
6
+5V
7
Ground
8
PWR OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
13
+3.3V
14
-12V
15
Ground
16
PS-ON#
17
Ground
18
Ground
19
Ground
20
Res
21
+5V
22
+5V
23
+5V
24
Ground
5
4
1
8
CPU_PWR1
24
13
1
12
ATX_PWR1
3
2
1
4
CPU_PWR2
CPU_PWR2
Pin
Signal Name
Pin
Signal Name
1
Ground
2
Ground
3
+12V
4
+12V