Ampro Corporation Littleboard 550 manual Utility Interfaces, Utility 1 Interface J16

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Chapter 3

Hardware

Utility Interfaces

The Utility interfaces consists of three connectors that provide the standard interface signals, which include the:

Utility 1

Keyboard

External battery connection

Reset Switch

PC Speaker

Utility 2

PS/2 Mouse

SMBus signals

USB signals for USB ports 1 and 2

Power button signal

Utility 3

USB signals for USB ports 3 (USB0) and 4 (and USB1)

Utility 1 Interface (J16)

Utility 1 interface consists of a 16-pin connector and is used to interface the various utility signals to an external board with external connections or directly to the respective connector, such as, a keyboard, speaker, etc. Table 3-17 gives the pin outs and interface signals for the Utility 1 interface.

Keyboard

Battery

Reset Switch

Speaker

Keyboard Interface

The signal lines for the PS/2 keyboard are provided through the Utility 1 interface (J16), which is also fully PC/AT compatible.

External Battery

An external battery input connection is provided through the Utility 1 interface (J16) for the Real Time Clock’s operation in the event the on-board battery is not used.

Reset Switch

The signal lines for a reset switch (hard or soft) are provided through the Utility 1 interface (J16).

NOTE

To perform the equivalent of a power-on reset, the reset button

 

must be pressed and held for a minimum of three seconds.

 

 

PC Speaker

The signal lines for a speaker port with 0.1-watt drive are provided through a Utility 1 interface (J16).

LittleBoard 550

Reference Manual

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Contents LittleBoard Single Board Computer Reference Manual Audience Assumptions Contents Appendix a List of Tables Table A-1 Reference Material SpecificationsPurpose of this Manual Other LittleBoard Products Related Ampro ProductsLittleBoard 550 Support Products Other Ampro Products Chapter EBX Architecture Product OverviewStacking PC/104 Modules with the LittleBoard Product DescriptionBoard Features Chapter Chapter ATA Block DiagramChip Type Mfg Model Description Function Major Integrated Circuits ICsVIA CPUJack # Signal Description Connector DefinitionsAdditional Components DIMM1Northb Default Jumper # Installed Removed/InstalledIndicator Definition Jumper DefinitionsThb Dimension SpecificationsPhysical Specifications LittleBoard 550 Dimensions Top view, #1 Mechanical Specifications115 705 415 730 200 050 350 800 600 385 345 Thermal/Cooling Requirements Power SpecificationsEnvironmental Specifications Reference Manual LittleBoard USB OverviewMemory CPU U1Sdram Memory DIMM1 Flash Memory U17Memory Map Interrupt Channel AssignmentsBase Address Function Address MapAddress hex Subsystem VGAPC/104-Plus Interface J21 Pin # Signal Input Description OutputREQ0 IDSEL0GNT1 CLK2CLK0 REQ2Intd IntaREQ1 IDSEL1GNT2 CLK3IDSEL3 IDSEL2GNT0 CLK1PC/104 Interface J1A,B,C,D Pin # Signal Description J1 Row aPin # Signal Descriptions J1 Row B DRQ3 DACK3DACK1 DRQ1Pin # Signal Descriptions J1 Row D Pin # Signal Descriptions J1 Row CIRQ14 IRQ15DACK0 DRQ0IDE Interface J12, J17 Pin # Signal DescriptionPdiow PdreqPdior PdiordySDD6 SDD8SDD9 SDD5SDA0 SDA1SDA2 SDCS1#VCC CompactFlash Adapter J23PDCE1 Pdrst PDCE2Floppy Drive Interface J14 Parallel Port Interface J15 Pin # Signal In/Out DescriptionRS485 Serial Port Implementation Serial Interfaces J11, J13DSR1 DCD1RXD1 RTS1DTR2 CTS2DCD3 DSR3DSR4 DCD4RXD4 RTS4Utility 1 Interface J16 Utility InterfacesSystem Management Bus SMBus Utility 2 Interface J24Mouse Interface Sdram Eprom USB Signals USB0 and USB1Component Address Binary Pwrbt SuscBatlow MdataUtility 3 Interface J18 USB Signals USB2 and USB3TX+ Ethernet Interfaces J7, J32Audio Interface J28 Videognd VideolVideor CDLCRT Interface Video Interfaces J3, J4, J5, J31LCD Interface Enavdd Lvds Interface Pin # Signal Description Line ChannelOops! Jumper Bios Recovery Temperature MonitoringMiscellaneous Real Time Clock RTCHot Cable Jumper Watchdog TimerPower Monitor Power Interface J10CPU Fan TAGReference Manual LittleBoard Introduction Accessing Bios Setup VGA DisplayBios Setup Menu Item/Topic Accessing Bios Setup Serial ConsoleBios Setup Opening Screen Bios MenusDrive Configurations and Boot Options Bios Configuration ScreenDate & Time Drive Assignment# of Floppy Drives Bios Settings Drive and Boot Options Boot OrderUser Interface Keyboard and Mouse ConfigurationUser Interface Options Memory Memory Control OptionsAdvanced features Power Management and Advanced User OptionsPower Management On-Board Serial Ports On-Board LPT Port On-Board Video Video, Flat Panel, and Audio OptionsOn-Board Controllers PCI, Plug n Play, and Interrupt Assignments Chapter Bios Setup Chapter Bios Setup Chapter Bios Setup Converting the Splash Screen File Splash Screen CustomizationSplash Screen Image Requirements \splashconvert convert.idf Method Contact Information Appendix a Technical SupportAppendix a Technical Support Connector Designation Pin # Mfg Part Number Appendix B Appendix C LAN Boot Option Accessing PXE Boot Agent Bios Setup PXE Boot Agent Bios SetupTCP/IP Configuration PXE Boot Agent Setup ScreenPXE Configuration RPL Configuration NetWare ConfigurationCRT CD-ROMPost Documentation and Support Software Doc & SW CD-ROMWDT Supported featuresReference Manual LittleBoard