Dell PowerEdge 6850 System Installation Manual

Also see for PowerEdge 6850: Information update System Board Replacement guide Information update Hardware installation guide User guide

Contents

Dell PowerEdge 6850 System Installation Manual Manual pdf 7 page image

Back to Contents PageI/O ConnectorsDell™ PowerEdge™ 6850 Systems Installation and Troubleshooting GuideSerial ConnectorVideo ConnectorUSB ConnectorsIntegrated NIC ConnectorsNetwork Cable RequirementsI/O connectors are the gateways that the system uses to communicate with external devices, such as a keyboard, mouse, printer, or monitor. This sectiondescribes the various connectors on your system. If you reconfigure the hardware connected to the system, you may also need the pin number and signalinformation for these connectors. Figure B-1 illustrates the connectors on the system.Figure B-1. I/O ConnectorsTable B-1 shows the icons used to label the connectors on the system.Table B-1. I/O Connector IconsSerial ConnectorSerial connectors support devices such as external modems, printers, and mice that require serial data transmission. The serial connector is also used by theBMC to provide remote access to the system. The serial connector uses a 9-pin D-subminiature connector.Serial Connector AutoconfigurationThe default designation of the integrated serial connector is COM1. When you add an expansion card containing a serial connector that has the samedesignation as the integrated connector, the system's autoconfiguration feature remaps (reassigns) the integrated serial connector to the next availabledesignation. Both the new and the remapped COM connectors share the same IRQ setting. COM1 and COM3 share IRQ4, while COM2 and COM4 share IRQ3.Before adding a card that remaps the COM connectors, check the documentation that came with the software to make sure that the software canaccommodate the new COM connector designation.Figure B-2 illustrates the pin numbers for the serial connector and Table B-2 defines the pin assignments for the connector.Figure B-2. Serial Connector Pin NumbersIcon ConnectorSerial connectorVideo connectorUSB connectorNIC connectorNOTE: If two COM connectors share an IRQ setting, you may not be able to use them both at the same time. In addition, if you install one or moreexpansion cards with serial connectors designated as COM1 and COM3, the integrated serial connector is disabled.