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33
IDE DOM power select
The J4 jumper enables the IDE port to support 3.3V or +5V.
Setting
1
2
3
+3.3V (default)
ON
ON
OFF
+5V
OFF
ON
ON
COM power select
The COM jumpers enable the COM ports to support 5V or
+12V power modes. All of the COM power select jumpers (J1, J6,
J8, and J9) have identical jumper settings as shown below.
COM setting
1
3
5
+5V (default)
ON
ON
OFF
+12V
OFF
ON
ON
COM setting
2
4
6
+5V (default)
ON
ON
OFF
+12V
OFF
ON
ON
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 ...