System RAM ..................................................................................................................... 22
CMOS RAM ..................................................................................................................... 22
CMOS Setup Defaults ...................................................................................................... 22
Real Time Clock ............................................................................................................... 23
ACPI Power Management ................................................................................................ 23
Watchdog Timer ............................................................................................................... 25
Ethernet Interface (J5) ...................................................................................................... 26
Video Interface (J11) ........................................................................................................ 27
IDE / PATA Interface (J3) ................................................................................................ 30
Main I/O Connector (J4) ................................................................................................... 32
Serial Ports ........................................................................................................................ 33
USB Interface ................................................................................................................... 35
Programmable LED .......................................................................................................... 36
Internal Speaker ................................................................................................................ 36
Pushbutton Reset .............................................................................................................. 36
Audio ................................................................................................................................ 37
Expansion Buses ............................................................................................................... 37
SPX Expansion Bus (J6) ................................................................................................... 39
Memory Map .................................................................................................................... 43
VL-EPM-24 Reference Manual
Setting the Clock.................................................................................................. 23
S3 Sleep State ...................................................................................................... 23
Setup .................................................................................................................... 23
Entering Standby Mode ....................................................................................... 24
Wakeup ................................................................................................................ 24
Ethernet Connector .............................................................................................. 26
Ethernet Status LEDs ........................................................................................... 26
Configuration ....................................................................................................... 27
VGA Output......................................................................................................... 28
Console Redirection ............................................................................................ 29
USB Client Mode ................................................................................................ 36
IRQ Support ......................................................................................................... 38
SPI Registers ........................................................................................................ 40
Contents
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