2 acc off, 1 boot-up, Figure 3-40: acc on: shutdown – IEI Integration UPC-V315-QM77 User Manual

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UP C-V315-QM77 P a n e l P C

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Figure 3-40: ACC On: Shutdown

NOTE:

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

button for three seconds. Press these two buttons for six seconds to

turn off the system.

3.8.2 ACC OFF

When the UPC-V315-QM77 is in ACC Off mode, the main power input is the Power 2

connector and the backup power is from the Power 1 connector.

3.8.2.1 Bo o t-u p

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

power LEDs on the front panel turn on. The user can choose 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.