Cpu_Fan1, Sys_Fan1: Fan Connectors; Jlpt1: Parallel Port Connector - MSI A520M PRO-C DASH Bedienungsanleitung

CPU_FAN1, SYS_FAN1: Fan Connectors

PWM Mode fan connectors provide constant 12V output and adjust fan speed with
speed control signal. When you plug a 3-pin (Non-PWM) fan to a fan connector in
PWM mode, the fan speed will always maintain at 100%, which might create a lot of
noise.
Connector
CPU_FAN1
SYS_FAN1
1
PWM Mode pin definition
1 Ground 2
3 Sense 4
⚠
Important
You can adjust fan speed in BIOS > Advanced > Hardware Monitor.

JLPT1: Parallel Port Connector

This connector allows you to connect the optional parallel port with bracket.
1 RSTB#
4 ERR#
7 PRND2
10 Ground
13 PRND5
16 Ground
19 ACK#
22 Ground
25 SLCT
Default fan
mode
Auto mode
DC mode
+12V
Speed Control Signal
2
1
2
5
8 LPT_SLIN#
11
14
17
20
23
26
Max. current
2A
1A
1
DC Mode pin definition
1 Ground
3 Sense
26
25
AFD# 3
PRND1 6
9
PRND4 12
Ground 15
PRND7 18
Ground 21
PE 24
No Pin
Max.
power
24W
12W
2 Voltage Control
4 NC
PRND0
PINIT#
PRND3
Ground
PRND6
Ground
BUSY
Ground
Overview of Components
15