mITX-BW – User Guide, Rev. 1.6
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3.
Enable ‘Microphone’ in the Windows Sound Manager to activate the MIC1 (J2) function.
Sound>Recording>Microphone>Enable
Select ‘
Show Disabled Devices’ and ‘Show Disconnected Devices’
Figure 5: Windows Sound Manager- Recording Microphone Settings
3.6.
Power Consumption
In order to ensure safe operation of the board, the input power supply must monitor the supply voltage and shut
down if the supply is out of range – refer to the actual power supply specification. Please note, In order to keep the
power consumption to a minimal level, boards do not implement a guaranteed minimum load. In some cases, this can
lead to compatibility problems with ATX power supplies, which require a minimum load to stay in regulation. The
mITX-BW board must be powered through either the ATX+12V-4p (4-pole) connector using standard ATX power
supply or by an external 12 to 24V power adapter through the Rear I/O power jack.
ATX12V supply: Both ATX+12V-4p connector must be used in according to the ATX12V PSU standard.
Hot Plugging power supply is not supported. Hot plugging might damage the board.
The requirements to the supply voltages are as follows:
Table 6: Supply Voltages
Supply
Min.
Max.
Note
+12 V
11.4 V
12.6 V
Should be ±5% for compliance with the ATX specification
+12 to +24 V
11.4 V
25.2 V
Should be ±5% for mITX-BW compatibility
Table 7: Total System power example
Operating System
Current Consumption Power Consumption
Windows 8.1 (Idle)
1.214 A
14.568 W
Windows 8.1 (3DMark 2014)
1.673 A
20.076 W
More detailed Static Power Consumption
TBD
Power consumption of PSU (power loss), Monitor and HDD are not included