Foxconn A55M Manuel d'utilisateur télécharger pdf (Page 21)

Fan Connectors : SYS_FAN, CPU_FAN 1

CPU_FAN 2

There are three 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.

Speaker Connector : SPEAKER

The speaker connector is used to connect speaker of

the chassis.

COM Connector : COM1

This motherboard supports one serial RS232 COM port

for legacy compatibility. User must purchase another

RS232 cable with a 9-pin D-sub connector at one end

to connect with the external RS232 device and another

end with 10-pin female connector to connect with COM1

connector in the motherboard.

LPT Connector (optional) : 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].

SPKJ

EMPTY

SPEAKER

SPKJ

RLSD

SOUT

GND

RTS

DSR

DTR

CTS

EMPTY

SIN

COM1

GND

POWER

SENSE

CONTROL

CPU_FAN/SYS_FAN

Strobe Auto Feed

1 2

25 26

Error

SLCT IN

INIT

Ground

Empty

Data it [0]

Data it [1]

Data it [2]

Data it [3]

Data it [4]

Data it [6]

Data it [5]

Data it [7]

ACK

Busy

Paper End

Select

LPT

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 103 104

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Foxconn A55M Manuel d'utilisateur Page 21

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