NCR RealPOS 70 - Fan Connectors

1-16 Chapter 1: Product Overview
TheICH4supportsuptosixchannelsofPCMaudiooutput(fullAC3
decode).Six‐channelaudioconsistsofFrontLeft,FrontRight,Back
Left,BackRight,Center,andSubwoofer,foracompletesurround‐
soundeffect.ICH4hasexpandedsupportforthreeaudiocodecsonthe
AC‐link.The7402motherboard
providesasinglecodecforLeftand
Rightstereosound.Surroundsoundisnotsupported.
Anamplifierintegratedonthemotherboardallowsdirectdriveof
stereospeakers,upto3Watts/channel.
IntelprovidesWindowsandLinuxdriversfortheintegratedaudio.
UnderDOSthereisSoundBlastercompatibility.
AudioOutputs:
•
AtriplestackaudioconnectorontherearI/OwithLinein(top),
Speakerout(middle),andMicin(bottom)on3.5mmstereojacks.
• Aninternal14pinheaderasdefinedbyEmbeddedATX,
implementingLineout(amplified),Speakerout,andMicin.
PluggingacableintotheSpeakerout
orMicinportsontherearI/O
disablesthatfunctionalityontheinternalheader.
ApiezotransduceronthemotherboardprovidesbasicPCbeep
functionalityunderDOS,andalsoforotherOSwhenthereareno
speakersconnected.ThePCbeepsignalisconnectedtotheaudiocodec
to
allowPCbeepsoundstoplaythroughthespeakerswhentheseare
present.
Fan Connectors
Themotherboardhasthreefanconnectors.OneisreservedfortheCPU
fan.Thepowersupplyfanspeedoutputisconnectedtoasecondfan
connector,whichisusedtomonitorpowersupplyfanhealth.
Allfanconnectorsare+12Vandareintendedforfanswith300mA
typicalcurrentdraw.