Advantech TREK-303 Manual de usuario descargar pdf (Pagina 22)

TREK-550/303 User Manual 10

Connector : Molex 430451200

Mating connector: Molex 0430251200

Figure 2.7 Power connector photo

2.3 Running the BIOS Setup Program

In most cases, the computer will have been properly set up and configured by the

dealer or SI prior to delivery. However, it may still be necessary to adjust some of the

computer's BIOS (Basic Input-Output System) setup programs to change the system

configuration data, like the current date and time, or the specific type of hard drive

currently installed.

The setup program is stored in read-only memory (ROM). It can be accessed either

when turning on or resetting the computer, by pressing the “Del” key on the keyboard

immediately after powering up the computer.

The settings that are specified with the setup program are recorded in a special area

of the memory called CMOS RAM. This memory is backed up by a battery so that it

will not be erased when turning off or resetting the system. Whenever the power is

turned on, the system reads the settings stored in CMOS RAM and compares them

to the equipment check conducted during the power on self-test (POST). If an error

occurs, an error message is displayed on screen, and the user is prompted to run the

setup program.

Table 2.2: Pin Definition of Power Connector (Molex Manufacturer Part

no.0430451200)

Pin Signal Pin Signal

1 Chassis Ground 2 Ground

3 Ground 4 (Reserved)

5 (Reserved) 6 (Reserved)

Power Input (6 ~ 36 V

)

Power Input (6 ~ 36 V

)

9 Acc Ignition Input 10 Ground

11 (Reserved) 12 Power button Input

Note! Fuse holder: The fuse holder on the power cable is water/dust proof;

you may change the fuse (5 Amp) easily by yourself.

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 55 56

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