VersaLogic Cheetah EPM-32, Reference Manual, Page: 6 / 57

Table of Contents
EPM-32 Reference Manual
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JS5 High-Density 80-Pin Connector ................................................................................. 27
Serial Ports ........................................................................................................................ 29
COM Port Configuration ..................................................................................... 29
COM2 RS-485 Mode Line Driver Control .......................................................... 29
Serial Port Connectors ......................................................................................... 30
Parallel / Floppy Port ........................................................................................................ 31
Parallel Port Operation ........................................................................................ 31
Parallel Port Floppy Disk .................................................................................... 31
Keyboard and Mouse ........................................................................................................ 32
CompactFlash ................................................................................................................... 33
Programmable LED .......................................................................................................... 33
External Speaker ............................................................................................................... 34
Push-Button Reset ............................................................................................................ 34
IDE LED ........................................................................................................................... 34
Video Interface ................................................................................................................. 35
Configuration ....................................................................................................... 35
Video BIOS Selection.......................................................................................... 35
SVGA Output Connector ..................................................................................... 35
LVDS Flat Panel Display Connector ................................................................... 36
Compatible LVDS Panel Displays ...................................................................... 37
Ethernet Interface.............................................................................................................. 38
BIOS Configuration ............................................................................................. 38
Status LED ........................................................................................................... 38
Ethernet Connector .............................................................................................. 39
Audio ................................................................................................................................ 40
Software Configuration ....................................................................................... 40
USB Interface ................................................................................................................... 41
PC/104 Expansion Bus ..................................................................................................... 42
Arranging the Stack ............................................................................................. 42
I/O Configuration ................................................................................................. 42
Watchdog Timer ............................................................................................................... 43
Enabling the Watchdog........................................................................................ 43
Disabling the Watchdog ...................................................................................... 43
Refreshing the Watchdog .................................................................................... 43
CPU Temperature Monitor ............................................................................................... 44
System Resources and Maps ..................................................................................... 45
Memory and I/O Map ....................................................................................................... 45
Memory Map ....................................................................................................... 45
I/O Map ................................................................................................................ 45
Interrupt Configuration ..................................................................................................... 46
Special Registers ........................................................................................................ 47
Special Control Register ................................................................................................... 47
Revision Indicator Register .............................................................................................. 48
Watchdog Timer Hold-Off Register ................................................................................. 48
Jumper and Status Register ............................................................................................... 49
Appendix A
– References............................................................................................ 50