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Appendix V
: Pinouts of onboard jumpers/headers
Pinouts for the following jumpers/headers are listed: j22, j34, j42, j50, j51, j53 & j55
J22……………… Onboard 4 pin speaker header
J34…………………Serial port header (com2)
Signal
DB9 PIN#(j33)
10 PIN header(j34)
DCD
1
1**
RX
2
3
TX
3
5
DTR
4
7
GND
5
9
DSR
6
2
RTS
7
4
CTS
8
6
RI
9
8
NC/KEY
NC/KEY
10
** pin one is identified on the motherboard and also on page 8
J53, j58……………...….Intel 82545 4 pin external activity
J55……………………....Intel 82551 4 pin external activity
J22 Speaker header
* pin one is identified on the
motherboard and also on page 8
NIC four pin Header ‘Pin Out’ j53, J55, J58, J67 & J68
*** pin one is identified on the motherboard and
also on page 9
J34 header as appears on
motherboard
Pin 1 = VCC*
Pin 2 = No Connect
Pin3 = No Connect
Pin4 = SPK
Pin 1 = Link <> ***
Pin 2 = Link <> Yellow -
Pin3 = Speed <> Green +
Pin4 = Speed <> Green -