Specifications

1-42 Chapter 1: 7401-2xxx/3xxx Product Overview
Additional Connectors (Pentium III Board)
ThePentiumIIIBoardshavethreeconnectorsthatarenotontheother
PentiumBoards.Alsoavailableisafourthconnectorforamicrophone
whenaPOSConnectorBoardismountedtotheProcessorBoard.The
followingillustrationidentifiestheseconnectors.
17999
IRDA
S-Video
RS-232 Connector
(COM 3 and COM 4)
Microphone
(optional)

Thefollowingisabriefdescriptionofeachconnector.
S-Video
ThisconnectorprovidesavideoconnectiontoanS‐videomonitor.
RS-232 Connector
ThisconnectorprovidestwoadditionalRS‐232ports.Toaddthe
ports,installtheDualRS‐232PortKit(7454‐F072)asdescribedin
theFeatureKitsappendix.The
DualRS‐232Cableprovidestwo
additionalserialports.
18002

Microphone
Thisconnectorprovidesforaudioinput.
IRDA
Thisconnectorpermitsinfraredcommunicationbetweendevices.