2 acc off, 1 boot-up, Figure 3-31: acc off: at mode – IEI Integration TANK-800-D525 v1.00 User Manual

Page 50: Figure 3-32: acc off: atx mode

TANK-800 Embedded System

Page 40

NOTE:

To turn on the system in the ATX power mode, press the Power button

for three seconds. Press the Power button for six seconds to turn off

the system.

3.9.2 ACC OFF

When the TANK-800 is in ACC Off mode, the main power input is Power 2 connector and

the backup power is from Power 1 connector.

3.9.2.1 Boot-up

When both power connectors are connected to power source with over 9 V power input,

the two power LEDs on the front panel turn on. The user can choose to use AT power

mode or ATX power mode to control the system. The following flow diagrams show the

boot-up process and the LED status in AT and ATX power modes.

Figure 3-31: ACC Off: AT Mode

Figure 3-32: ACC Off: ATX Mode