Returns information about the configuration of DMA channels on a computer.

This script was tested using Object REXX 2.1.0 for Microsoft Windows, available from IBM.

Object REXX
strComputer = "."
objWMIService = .OLEObject~GetObject("winmgmts:\\"||strComputer||"\root\CIMV2")
do objItem over objWMIService~ExecQuery("Select * from Win32_DMAChannel")
    say "Address Size:" objItem~AddressSize
    say "Availability:" objItem~Availability
    say "Burst Mode:" objItem~BurstMode
    say "Byte Mode:" objItem~ByteMode
    say "Caption:" objItem~Caption
    say "Channel Timing:" objItem~ChannelTiming
    say "Creation Class Name:" objItem~CreationClassName
    say "CS Creation Class Name:" objItem~CSCreationClassName
    say "CS Name:" objItem~CSName
    say "Description:" objItem~Description
    say "DMA Channel:" objItem~DMAChannel
    say "Install Date:" objItem~InstallDate
    say "Max Transfer Size:" objItem~MaxTransferSize
    say "Name:" objItem~Name
    say "Port:" objItem~Port
    say "Status:" objItem~Status
    z = objItem~TransferWidths
    if .NIL <> z then
        do x over z
            say objProperty.Name ": " x
    say "Type C Timing:" objItem~TypeCTiming
    say "Word Mode:" objItem~WordMode