IBM NetVista A21 User Manual

Also see for 2254: Hardware Maintenance Manual Hardware Maintenance Manual

Contents

Connector DescriptionMouse connector Used to attach a mouse, trackball, or other pointing device thatuses a PS/2 mouse connector.Keyboard connector Used to attach a keyboard that uses a PS/2 keyboardconnector.Serial connectors Used to attach an external modem, serial printer, or other devicethat uses a 9-pin serial connector.Parallel connector Used to attach a parallel printer, parallel scanner, or any otherdevice that requires a 25-pin parallel connection.USB connectors Used to attach a device that requires a Universal Serial Bus(USB) connection, such as a USB scanner or USB printer. If youhave more than four USB devices, you can purchase a USBhub, which you can use to connect additional USB devices.Ethernet connector Used to attach an Ethernet cable that uses an Ethernetconnector.Note: To operate the computer within FCC Class A or Class Blimits, use a category 5 Ethernet cable.Audio line out connector Used to send audio signals from the computer to externaldevices, such as powered stereo speakers (speakers with built-inamplifiers), headphones (greater than 18 ohms), multimediakeyboards, or the audio line in connector on a stereo system orother external recording device.Audio line in connector Used to receive audio signals from an external audio device,such as a stereo system. When you attach an external audiodevice, a cable is connected between the audio line outconnector of the device and the audio line in connector of thecomputer.Microphone connector Used to attach a microphone to your computer when you want torecord voice or other sounds on the hard disk usingspeech-recognition software.Home PNA network adapterSome models might have a Home Phoneline Network Alliance network adapter withan integrated V.90 modem. In addition to its modem function, this adapter enablesyou to use the telephone wiring in your home for peer-to-peer networking. To usethe Home PNA Network adapter, you must install the Intel AnyPoint™ software fromthe Software Selections CD. Each computer on the home PNA network must havea PNA network adapter and the associated software installed. For information aboutusing the PNA network adapter or the AnyPoint software, refer to the AnyPointdocumentation (provided with models that come with PNA network adapters only).16 User Guide