Ampro Corporation Littleboard 550 Videol, Videognd, Videor, Cdl, Cdgnd, Cdr, Lineinl, Lineingnd

Page 60

Chapter 3

 

Hardware

Table 3-22. Audio Interface Pin/Signal Descriptions (J28)

 

 

 

 

 

 

Pin #

Signal

Description

 

 

1

VIDEO_L

Video audio signal in left channel

 

 

 

 

 

 

 

2

VIDEO_GND

Video digital ground (Audio ground)

 

 

3

VIDEO_R

Video audio signal in right channel

 

 

 

 

 

 

 

4

CD_L

CD-ROM signal left channel

 

 

 

 

 

 

 

5

CD_GND

CD-ROM digital ground (to Audio CODEC)

 

 

6

CD_R

CD-ROM signal right channel

 

 

 

 

 

 

 

7

LINE_IN_L

Line in signal left channel

 

 

 

 

 

 

 

8

LINE_IN_GND

Line in digital ground (Audio ground)

 

 

9

LINE_IN_R

Line in signal right channel

 

 

 

 

 

 

 

10

MIC1

Microphone in signal 1 or left channel

 

 

 

 

 

 

 

11

MIC_GND

Microphone digital ground (Audio ground)

 

 

12

MIC2

Microphone in signal 2 or right channel

 

 

 

 

 

 

 

13

MIC_REF

Microphone reference signal

 

 

 

 

 

 

 

14

NC/KEY

Not connected - Key pin

 

 

15

PHONE_IN

Phone signal in

 

 

 

 

 

 

 

16

PHONE_GND

Phone digital ground (Audio ground)

 

 

17

MONO_OUT

Monaural signal out

 

 

18

MONO_GND

Monaural digital ground (Audio ground)

 

 

19

+AOUT_L

+ Audio Amplifier output signal left channel

 

 

 

 

 

 

 

20

AGND

Audio Ground (-AOUT_L)

 

 

21

+AOUT_R

+ Audio Amplifier output signal right channel

 

 

 

 

 

 

 

22

AGND

Audio Ground (-AOUT_R)

 

 

23

AGND

Audio Ground

 

 

24

HP_L

Headphone signal left channel (from Audio Amp)

 

 

 

 

 

 

 

25

HP_R

Headphone signal right channel (from Audio Amp)

 

 

 

 

 

 

 

26

NC

Not connected (Headphone In)

 

Notes: The shaded area denotes power or ground.

54

Reference Manual

LittleBoard 550

Image 60
Contents LittleBoard Single Board Computer Reference Manual Audience Assumptions Contents Appendix a List of Tables Table A-1 Specifications Purpose of this ManualReference Material Related Ampro Products LittleBoard 550 Support ProductsOther LittleBoard Products Other Ampro Products Chapter Product Overview EBX ArchitectureProduct Description Stacking PC/104 Modules with the LittleBoardBoard Features Chapter Chapter Block Diagram ATAMajor Integrated Circuits ICs Chip Type Mfg Model Description FunctionVIA CPUConnector Definitions Jack # Signal DescriptionAdditional Components DIMM1Northb Jumper # Installed Removed/Installed DefaultIndicator Definition Jumper DefinitionsThb Specifications Physical SpecificationsDimension Mechanical Specifications LittleBoard 550 Dimensions Top view, #1115 705 415 730 200 050 350 800 600 385 345 Power Specifications Environmental SpecificationsThermal/Cooling Requirements Reference Manual LittleBoard Overview USBCPU U1 MemorySdram Memory DIMM1 Flash Memory U17Interrupt Channel Assignments Memory MapAddress Map Base Address FunctionAddress hex Subsystem VGAPin # Signal Input Description Output PC/104-Plus Interface J21IDSEL0 REQ0GNT1 CLK2REQ2 CLK0Intd IntaIDSEL1 REQ1GNT2 CLK3IDSEL2 IDSEL3GNT0 CLK1Pin # Signal Description J1 Row a PC/104 Interface J1A,B,C,DPin # Signal Descriptions J1 Row B DACK3 DRQ3DACK1 DRQ1Pin # Signal Descriptions J1 Row C Pin # Signal Descriptions J1 Row DIRQ15 IRQ14DACK0 DRQ0Pin # Signal Description IDE Interface J12, J17Pdreq PdiowPdior PdiordySDD8 SDD6SDD9 SDD5SDA1 SDA0SDA2 SDCS1#CompactFlash Adapter J23 PDCE1VCC PDCE2 PdrstFloppy Drive Interface J14 Pin # Signal In/Out Description Parallel Port Interface J15Serial Interfaces J11, J13 RS485 Serial Port ImplementationDCD1 DSR1RXD1 RTS1CTS2 DTR2DCD3 DSR3DCD4 DSR4RXD4 RTS4Utility Interfaces Utility 1 Interface J16Utility 2 Interface J24 Mouse InterfaceSystem Management Bus SMBus USB Signals USB0 and USB1 Component Address BinarySdram Eprom Susc PwrbtBatlow MdataUSB Signals USB2 and USB3 Utility 3 Interface J18Ethernet Interfaces J7, J32 TX+Audio Interface J28 Videol VideogndVideor CDLVideo Interfaces J3, J4, J5, J31 CRT InterfaceLCD Interface Enavdd Pin # Signal Description Line Channel Lvds InterfaceTemperature Monitoring Oops! Jumper Bios RecoveryMiscellaneous Real Time Clock RTCWatchdog Timer Hot Cable JumperPower Interface J10 Power MonitorCPU Fan TAGReference Manual LittleBoard Accessing Bios Setup VGA Display IntroductionAccessing Bios Setup Serial Console Bios Setup Menu Item/TopicBios Menus Bios Setup Opening ScreenBios Configuration Screen Drive Configurations and Boot OptionsDate & Time Drive Assignment# of Floppy Drives Bios Settings Boot Order Drive and Boot OptionsKeyboard and Mouse Configuration User Interface OptionsUser Interface Memory Control Options MemoryPower Management and Advanced User Options Power ManagementAdvanced features On-Board Serial Ports On-Board LPT Port Video, Flat Panel, and Audio Options On-Board ControllersOn-Board Video PCI, Plug n Play, and Interrupt Assignments Chapter Bios Setup Chapter Bios Setup Chapter Bios Setup Splash Screen Customization Splash Screen Image RequirementsConverting the Splash Screen File \splashconvert convert.idf Appendix a Technical Support Method Contact InformationAppendix a Technical Support Connector Designation Pin # Mfg Part Number Appendix B Appendix C LAN Boot Option PXE Boot Agent Bios Setup Accessing PXE Boot Agent Bios SetupPXE Boot Agent Setup Screen PXE ConfigurationTCP/IP Configuration NetWare Configuration RPL ConfigurationCD-ROM CRTDocumentation and Support Software Doc & SW CD-ROM PostSupported features WDTReference Manual LittleBoard