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Table of Contents
iv
Connector Location Diagram............................................................................... 20
Connector Functions and Interface Cables ..........................................................21
Jumper Block Locations ................................................................................................... 22
Jumper Summary ................................................................................................. 23
Power Supply.................................................................................................................... 24
Power Connectors................................................................................................24
Power Requirements............................................................................................25
Lithium Battery.................................................................................................... 25
CPU................................................................................................................................... 26
System RAM..................................................................................................................... 26
Memory................................................................................................................ 26
CMOS RAM..................................................................................................................... 26
Clearing CMOS RAM .........................................................................................26
Default CMOS RAM Setup Values.....................................................................26
Real Time Clock ............................................................................................................... 26
Setting the Clock..................................................................................................26
Battery Backed Static RAM.............................................................................................. 27
Serial Ports........................................................................................................................27
COM Port Configuration ..................................................................................... 27
COM3 and COM4 RS-485 Mode Line Driver Control....................................... 27
IDE Hard Drive / CompactFlash / CD-ROM Interface .................................................... 28
Utility Connector (J7) ....................................................................................................... 29
Keyboard/Mouse Interface .................................................................................. 30
Programmable LED............................................................................................. 30
External Speaker..................................................................................................30
Push-Button Reset................................................................................................ 30
General-Purpose Timer Inputs............................................................................. 30
Parallel / Floppy Port ....................................................................................................... 31
Parallel Port Operation......................................................................................... 31
Floppy Port Operation ......................................................................................... 31
Parallel / Floppy Port Pinout................................................................................31
Ethernet Interface..............................................................................................................32
BIOS Configuration............................................................................................. 32
Status LED........................................................................................................... 32
Ethernet Connector .............................................................................................. 32
Watchdog Timer ............................................................................................................... 33
Expansion Bus ..................................................................................................................34
PC/104-Plus (PCI Bus)....................................................................................... 34
PC/104 (ISA Bus)................................................................................................ 34
I/O Configuration.................................................................................................34
Memory and I/O Map .......................................................................................................36
ÉlanSC520 Memory Mapped Configuration Region (MMCR) Registers........... 36
Memory Map .......................................................................................................36
I/O Map................................................................................................................37
Interrupt Configuration.....................................................................................................38
Special Control Register ................................................................................................... 39
Revision Indicator Register............................................................................................... 40
Map and Paging Control Register..................................................................................... 41
Appendix A — CBL/CBR-5009 .....................................................................................43