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16 speaker connector : speaker, Fan connectors : cpu_fan, sys_fan, Lpt connector : lpt – Foxconn A74ML Series User Manual

Page 23: Cpu_fan/sys_fan, Speaker

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16

Speaker Connector : SPeAKeR

The speaker connector is used to connect speaker of
the chassis.

Fan Connectors : CPU_FAN, SYS_FAN

There are two main fan headers on this motherboard.
The fan speed can be controlled and monitored in “PC
Health Status” section of the BIOS Setup. These fans
can be automatically turned off after the system enters
S3, S4 and S5 sleeping states.

LPT Connector : LPT

The connector supports parallel port which can be
connected to a printer or a scanner. System usually
assign IRQ7 as it’s default interrupt request and the
parallel port has three operation mode: [SPP], [EPP],
[ECP].

1

CPU_FAN/SYS_FAN

GND
POWER

SENSE

CONTROL

NC

SPKJ

EMPTY

SPEAKER

SPKJ

1
2
3
4

Strobe

Data it [0]

Data it [1]

Data it [2]

Data it [3]

Data it [4]

Data it [5]

Data it [6]

Data it [7]

ACK

Busy

Paper End

Select

1 2

26

25

Auto Feed

Error

INIT

SLCT IN

Ground

Ground

Ground

Ground
Ground

Ground

Ground

Ground

Empty

LPT