Contents
VL-EPIC-25 Reference Manual
v
Power Requirements ............................................................................................ 22
Power Delivery Considerations ........................................................................... 23
Lithium Battery .................................................................................................... 23
CPU ................................................................................................................................... 24
System RAM ..................................................................................................................... 25
Clearing Non-volatile RAM (NVRAM) ........................................................................... 25
Real-Time Clock (RTC) ................................................................................................... 25
Setting the Clock.................................................................................................. 25
Clearing the Real-Time Clock ............................................................................. 26
Console Redirection ......................................................................................................... 26
Interfaces and Connectors ......................................................................................... 27
Expansion Buses ............................................................................................................... 27
PC/104-
Plus
(PCI
+ ISA) and PCI-104 (PCI Only) ............................................ 27
PC/104 ISA .......................................................................................................... 27
PC/104 I/O Support ............................................................................................. 28
PC/104 Memory Support ..................................................................................... 28
PC/104 IRQ Support ............................................................................................ 28
Ethernet Interface.............................................................................................................. 29
Ethernet Connectors ............................................................................................ 29
Ethernet Status LEDs ........................................................................................... 29
Status LED ........................................................................................................... 30
SATA Interface ................................................................................................................. 30
Serial Ports ........................................................................................................................ 31
COM Port Configuration ..................................................................................... 31
RS-485 Mode Line Driver Control ...................................................................... 31
Serial Port Connectors ......................................................................................... 32
USB Interface ................................................................................................................... 32
Flash Interfaces ................................................................................................................. 33
CompactFlash ...................................................................................................... 33
eUSB Socket ........................................................................................................ 33
PCIe Mini Card / mSATA Socket ....................................................................... 33
PCIe Mini Card Wireless Status LEDs ................................................................ 35
Video................................................................................................................................. 36
SVGA Output Connector ..................................................................................... 36
LVDS Flat Panel Display Connector ................................................................... 37
Audio ................................................................................................................................ 38
User I/O Connector ........................................................................................................... 39
Pushbutton Reset .............................................................................................................. 40
Power Button .................................................................................................................... 40
Supported Power States ....................................................................................... 40
External Speaker ............................................................................................................... 41
LEDs ................................................................................................................................. 41
Programmable LED ............................................................................................. 41
Power LED .......................................................................................................... 41
Digital I/O ......................................................................................................................... 42
Digital I/O Port Configuration Using the SPI Interface ...................................... 42
Analog Input ..................................................................................................................... 47
External Connections ........................................................................................... 47
