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A27 +3.3 V
A28 AD22
A29 AD20
A30 Ground
A31 AD18
These signals (in parentheses) are optional in the PCI specification and are not
currently implemented.
Table 20: Front Panel USB
Pin
Pin
Assignment
1
VCC
3
Data0 -
5
Data0 +
7
Ground
9
NC
Table 21: COM2
Pin
Pin
Assignment
1
DCD
3
TXD
5
Ground
7
RTS
9
RI
Table 22: Internal Speaker
Pin
Pin
Assignment
1
Signal
2
NC
3
Ground
4
+5V
V1.0
B27
AD23
B28
Ground
B29
AD21
B30
AD19
B31
+3.3 V
Pin
Pin
Assignment
2
VCC
4
Data1 -
6
Data1 +
8
Ground
10
NC
Pin
Pin
Assignment
2
RXD
4
DTR
6
DSR
8
CTS
10
NC
VIG556M Motherboard Manual
A58
AD00
A59
+5 V (I/O)
A60
REQ64C#
A61
+5 V
A62
+5 V
B58
AD01
B59
+5 V (I/O)
B60
ACK64C#
B61
+5 V
B62
+5 V
70
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