Mine

root@karol:/home/karol/.VirtualBox/Machines/arch# cat arch.xml
<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<!-- innotek VirtualBox Machine Configuration -->
<VirtualBox xmlns="http://www.innotek.de/VirtualBox-settings" version="1.2-linux">

  <Machine OSType="linux26" lastStateChange="2008-02-15T11:08:19Z" name="arch" uuid="{1ea1d84d-ea43-45d6-019d-c27ee511f8b7}">
    <ExtraData>
      <ExtraDataItem name="GUI/SaveMountedAtRuntime" value="yes"/>
      <ExtraDataItem name="GUI/LastWindowPostion" value="0,0,644,531"/>
      <ExtraDataItem name="GUI/Fullscreen" value="off"/>
      <ExtraDataItem name="GUI/Seamless" value="off"/>
      <ExtraDataItem name="GUI/AutoresizeGuest" value="on"/>
      <ExtraDataItem name="GUI/LastCloseAction" value="powerOff"/>
    </ExtraData>
    <Description/>
    <Hardware>
      <CPU>
        <HardwareVirtEx enabled="false"/>
      </CPU>
      <Memory RAMSize="256"/>
      <Boot>
        <Order device="Floppy" position="1"/>
        <Order device="DVD" position="2"/>
        <Order device="HardDisk" position="3"/>
      </Boot>
      <Display MonitorCount="1" VRAMSize="8"/>
      <RemoteDisplay authTimeout="5000" authType="null" enabled="false" port="3389"/>
      <BIOS>
        <ACPI enabled="true"/>
        <IOAPIC enabled="false"/>
        <Logo displayTime="0" fadeIn="true" fadeOut="true"/>
        <BootMenu mode="messageandmenu"/>
        <TimeOffset value="0"/>
        <PXEDebug enabled="false"/>
      </BIOS>
      <DVDDrive passthrough="false"/>
      <FloppyDrive enabled="true"/>
      <USBController enabled="false" enabledEhci="false"/>
      <Network>
        <Adapter MACAddress="0800278F1934" cable="true" enabled="false" slot="0" type="Am79C973">
          <InternalNetwork name="intnet"/>
        </Adapter>
        <Adapter MACAddress="080027ED42F8" cable="true" enabled="true" slot="1" type="Am79C973">
          <HostInterface name="vbox0"/>
        </Adapter>
        <Adapter MACAddress="08002786549F" cable="true" enabled="false" slot="2" type="Am79C973"/>
        <Adapter MACAddress="0800275D1B63" cable="true" enabled="false" slot="3" type="Am79C973"/>
      </Network>
      <Uart>
        <Port IOBase="0x3f8" IRQ="4" enabled="false" hostMode="Disconnected" slot="0"/>
        <Port IOBase="0x3f8" IRQ="4" enabled="false" hostMode="Disconnected" slot="1"/>
      </Uart>
      <Lpt>
        <Port IOBase="0x378" IRQ="4" enabled="false" slot="0"/>
        <Port IOBase="0x378" IRQ="4" enabled="false" slot="1"/>
      </Lpt>
      <AudioAdapter driver="null" enabled="false"/>
      <SharedFolders/>
      <Clipboard mode="Bidirectional"/>
    </Hardware>
    <HardDiskAttachments>
      <HardDiskAttachment bus="ide0" device="master" hardDisk="{b2560132-98b0-4e87-7ab3-9a62dfd72510}"/>
    </HardDiskAttachments>
  </Machine>

</VirtualBox>