Contents
VL-EPM-24 Reference Manual v
CPU ................................................................................................................................... 21
System RAM ..................................................................................................................... 21
CMOS RAM ..................................................................................................................... 22
Resetting CMOS and RTC .................................................................................. 22
CMOS Setup Defaults ...................................................................................................... 22
Default CMOS RAM Setup Values ..................................................................... 22
Real Time Clock ............................................................................................................... 22
Setting the Clock.................................................................................................. 22
ACPI Power Management ................................................................................................ 23
S3 Sleep State ...................................................................................................... 23
Setup .................................................................................................................... 23
Entering Standby Mode ....................................................................................... 23
Wakeup ................................................................................................................ 24
Power Button Functionality ................................................................................. 24
Watchdog Timer ............................................................................................................... 25
Interfaces and Connectors ......................................................................................... 26
Ethernet Interface (J5) ...................................................................................................... 26
Ethernet Connector .............................................................................................. 26
Ethernet Status LEDs ........................................................................................... 26
Video Interface (J11) ........................................................................................................ 27
Configuration ....................................................................................................... 27
LVDS Flat Panel Display Connector ................................................................... 27
Compatible LVDS Panel Displays ...................................................................... 28
VGA Output......................................................................................................... 28
Console Redirection ............................................................................................ 29
IDE / PATA Interface (J3) ................................................................................................ 30
Loading Software onto a Disk on Module Device .............................................. 31
Main I/O Connector (J4) ................................................................................................... 32
Serial Ports ........................................................................................................................ 33
Serial (COM) Port Configuration ........................................................................ 33
Serial (COM) Port Connector Pin Functions ....................................................... 34
USB Interface ................................................................................................................... 35
USB Client Mode ................................................................................................ 36
Programmable LED .......................................................................................................... 36
Internal Speaker ................................................................................................................ 36
Pushbutton Reset .............................................................................................................. 36
Audio ................................................................................................................................ 37
Expansion Buses ............................................................................................................... 37
PC/104-Plus (PCI + ISA) AND PCI-104 (PCI only) .......................................... 37
PC/104 I/O Cycle Support ................................................................................... 38
PC/104 Memory Cycle Support ........................................................................... 38
IRQ Support ......................................................................................................... 38
DMA and Bus Master Support ............................................................................ 38
SPX Expansion Bus (J6) ................................................................................................... 39
VersaLogic SPX Expansion Modules ................................................................. 39
SPI Registers ........................................................................................................ 40
System Resources and Maps ..................................................................................... 43