3
ASRock B75 Pro3 Motherboard
English
I/O Panel
* There is one LED next to the LAN port. Please refer to the table below for the LAN port LED
indications.
LAN Port LED Indications
Activity/Link LED
SPEED LED
Status Description Status Description
Off No Link Off 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link
Green 1Gbps connection
1
USB 2.0 Ports (USB01)
2
D-Sub Port (VGA1)
* 3
LAN RJ-45 Port
4
Central / Bass (Orange)
5
Rear Speaker (Black)
6
Line In (Light Blue)
** 7
Front Speaker (Lime)
8
Microphone (Pink)
9
Optical SPDIF Out Port
10 USB 2.0 Ports (USB23)
11 USB 3.0 Ports (USB3_01)
12 HDMI Port (HDMI1)
13 DVI-D Port (DVI1)
14 PS/2 Keyboard Port (Purple)
ACT/LINK
LED
SPEED
LED
LAN Port
**
If you use 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”.
See the table below for connection details in accordance with the type of speaker you use.
TABLE for Audio Output Connection
Audio Output Channels Front Speaker Rear Speaker Central / Bass Line in
(No. 7)
(No. 5) (No. 4) (No. 6)
2 V
-- -- --
4
V V -- --
6 V
V V --
8 V
V V V
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
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148
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150
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152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
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171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
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189
190
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192
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205
