
VMware, Inc. 331
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Thischapterdescribeshowtousevariousdeviceswithavirtualmachine.
Thischapterincludesthefollowingtopics:
“UsingParallelPorts”onpage 331
“UsingSerialPorts”onpage 335
“ConfiguringKeyboardFeatures”onpage 339
“UsingUSBDevicesinaVirtualMachine”onpage 351
“UseSmartCardswithVirtualMachines”onpage 358
“SupportforGenericSCSIDevices”onpage 361
“UseFour‐WayVirtualSymmetricMultiprocessing”onpage 366
Using Parallel Ports
Parallelportsareusedbyavarietyofdevices,includingprinters,scanners,dongles,
anddiskdrives.Althoughthesedevicescanconnecttothehostwithoutproblems,only
printerscanreliablyconnecttovirtualmachinesbyusingparallelports.
Currently,WorkstationprovidesonlypartialemulationofPS/2hardware.Interrupts
thatadeviceconnectedtotheph
ysicalportrequestsarenotpassedtothevirtual
machine.TheguestoperatingsystemcannotuseDMA(directmemoryaccess)tomove
datatoorfromtheport.Forthisreason,notalldevicesthatattachtotheparallelport
areguaranteedtoworkcorrectly.Donotuseparallelportst
oragedevicesinavirtual
machine.
Connecting Devices
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