MSI B550 GAMING GEN3 - JLPT1: Parallel Port Connector; JCOM1: Serial Port Connector

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JLPT1: Parallel Port Connector
This connector allows you to connect the optional parallel port with bracket.
1
2 26
25
Pin Signal Name Pin Signal Name
1 RSTB# 2 AFD#
3 PRND0 4 ERR#
5 PRND1 6 PINIT#
7 PRND2 8 LPT_SLIN#
9 PRND3 10 Ground
11 PRND4 12 Ground
13 PRND5 14 Ground
15 PRND6 16 Ground
17 PRND7 18 Ground
19 ACK# 20 Ground
21 BUSY 22 Ground
23 PE 24 Ground
25 SLCT 26 No Pin
JCOM1: Serial Port Connector
This connector allows you to connect the optional serial port with bracket.
Pin Signal Name Pin Signal Name
1 DCD 2 SIN
3 SOUT 4 DTR
5 Ground 6 DSR
7 RTS 8 CTS
9 RI 10 No Pin
1
2 10
9