Lenovo ThinkStation C20 User Manual

ConnectorDescription
Audioline-inconnector
Usedtoreceiveaudiosignalsfromanexternalaudiodevice,suchasastereo
system.Whenyouattachanexternalaudiodevice,acableisconnectedbetween
theaudioline-outconnectorofthedeviceandtheaudioline-inconnectorofthe
computer.
Audioline-outconnector(front
speakerconnector)
Usedtosendaudiosignalsfromthecomputertoexternaldevices,suchas
poweredstereospeakers(speakerswithbuilt-inampliers),multimediakeyboards,
ortheaudioline-inconnectoronastereosystemorotherexternalrecording
devices.
Whenusedwith5.1or7.1surround-soundspeakers,thisconnectorshouldbe
attachedtothefrontleftandrightspeakers.
Audioline-outconnector(rear
speakerconnector)
Whenusedwith5.1or7.1surround-soundspeakers,thisconnectorshouldbe
attachedtotherearleftandrightspeakers.
Audioline-outconnector(side
speakerconnector)
Whenusedwith7.1surround-soundspeakers,thisconnectorshouldbeattached
tothesideleftandrightspeakers.
Audioline-outconnector
(subwoofer/centerspeaker
connector)
Whenusedwith5.1or7.1surround-soundspeakers,thisconnectorshouldbe
attachedtothecenterspeakerorsubwoofer.
eSATAconnector
Usethisconnectortoattachanexternalharddiskdrive.
Ethernetconnector
UsedtoattachanEthernetcableforalocalareanetwork(LAN).
Notes:
1.TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet
cable.
2.IfyourcomputerhastwoEthernetconnectors,itisrecommendedthatyou
connectyourprimaryEthernetcabletotheEthernetconnectormarkedas
number"1"foroptimalperformance.
IEEE1394connector(available
onsomemodels)
UsedtosendandreceiveIEEE1394signalsbetweenthecomputeranda
compliantdevice,suchasavideocameraorexternalstoragedrive.Thisconnector
issometimescalledFireWirebecauseittransmitsdatarapidly.
MicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundor
ifyouusespeech-recognitionsoftware.
OpticalSPDIFinconnectorUsedtoreceive5.1digitalaudiosignalsfromanexternaldevice(suchasareceiver
oramultimediadevice)throughaTOSLINK(T oshibaLink)opticalcable.
OpticalSPDIFoutconnectorUsedtosend5.1digitalaudiosignalsfromacomputertoanexternaldevice(such
asanamplierorareceiver)throughaTOSLINKopticalcable.
Serialport(availableonsome
models)
Usedtoattachanexternalmodem,aserialprinter,orotherdevicesthatusea
9-pinserialport.
USBconnectorUsedtoattachadevicethatusesaUSBconnector,suchasaUSBkeyboard,a
USBmouse,aUSBscanner,oraUSBprinter.IftheUSBconnectorsonyour
computerarenotenoughforyoutoconnectallyourUSBdevices,youcan
purchaseaUSBhub,whichyoucanusetoconnectadditionalUSBdevices.
Locatingcomponents
Figure3“Componentlocations”onpage9showsthelocationsofthevariouscomponentsinyourcomputer.
Toremovethecomputercoverandaccesstheinsideofthecomputer,see“Removingthecomputercover”
onpage13.
8ThinkStationUserGuide

Lenovo ThinkStation C20 Specifications

General

HDD capacity	500 GB
Internal memory	8 GB
Memory clock speed	1333 MHz
Processor cache	12 MB
Processor frequency	2.4 GHz
Processor front side bus	1066 MHz
Power supply	800 W
Plug and Play	Yes

Weight and Dimensions

Depth	444 mm
Width	130 mm
Height	427 mm