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30
DC-in power connector
The mainboard has a 12V DC connector onboard. The 12V DC is
needed if 3.5-inch SATA drives will be used with the mainboard.
Pin
Signal
Pin
Signal
1
GND
3
+12VDC
2
GND
4
+12VDC
CMOS battery
The onboard battery provides power to the CMOS RAM. If
disconnected all configurations in the CMOS RAM will be reset to
factory defaults. When replacing the battery, use CR2032 coin
batteries.
Summary of Contents for EPIA-M840
Page 1: ...user manual EPIA M840 Mini ITX Embedded Board Revision 1 06 106 08262010 1438 ...
Page 10: ...1 1 Overview ...
Page 12: ...3 LAYOUT TOP VIEW ...
Page 17: ...8 2 Hardware Installation ...
Page 35: ...26 Memory module slots The mainboard includes two DIMM memory module slots ...
Page 45: ...36 3 BIOS Setup ...
Page 62: ...53 INTEGRATED PERIPHERALS Onboard LAN Boot ROM Settings Enabled Disabled ...
Page 64: ...55 Secondary Slave UDMA Settings Disabled Auto IDE HDD Block Mode Settings Disabled Enabled ...
Page 65: ...56 VIA ONCHIP PCI DEVICE Azalia HDA Controller Settings Auto Disabled ...