VirtualBox

Changeset 43655 in vbox for trunk/doc/manual/en_US


Ignore:
Timestamp:
Oct 16, 2012 11:27:17 AM (12 years ago)
Author:
vboxsync
Message:

VBoxManage, doc/manual: the IDE-on-SATA emulation was gone with VBox 4.2

Location:
trunk/doc/manual/en_US
Files:
2 edited

Legend:

Unmodified
Added
Removed
  • trunk/doc/manual/en_US/user_Storage.xml

    r42753 r43655  
    9999          role="bold">AHCI</emphasis>).</para>
    100100
    101           <para>For compatibility reasons, AHCI controllers by default operate
    102           the disks attached to it in a so-called "IDE compatibility mode",
    103           unless SATA support is explicitly requested. "IDE compatibility
    104           mode" only means that the drives can be seen and operated by the
    105           computer's BIOS. Still, disks assigned to those slots will operate
    106           in full-speed AHCI mode once the guest operating system has loaded
    107           its AHCI device driver.</para>
    108 
    109101          <para>Like a real SATA controller, VirtualBox's virtual SATA
    110           controller operates faster and also consumes less CPU resources than
     102          controller operates faster and also consumes fewer CPU resources than
    111103          the virtual IDE controller. Also, this allows you to connect up to
    112104          30 virtual hard disks to one machine instead of just three, as with
    113           the VirtualBox IDE controller (with the DVD drive already attached).
    114           Of these, the first four (numbered 0-3 in the graphical user
    115           interface) are operated in IDE compatibility mode by default.</para>
     105          the VirtualBox IDE controller (with the DVD drive already attached).</para>
    116106
    117107          <para>For this reason, starting with version 3.2 and depending on
     
    212202        <listitem>
    213203          <para>30 slots attached to the SATA controller, if enabled and
    214           provided that your guest operating system can see it; these slots
    215           can either be<orderedlist>
    216               <listitem>
    217                 <para>in IDE compatibility mode (by default, slots 0-3)
    218                 or</para>
    219               </listitem>
    220 
    221               <listitem>
    222                 <para>in SATA mode;</para>
    223               </listitem>
    224             </orderedlist></para>
     204          supported by the guest operating system;</para>
    225205        </listitem>
    226206
  • trunk/doc/manual/en_US/user_VBoxManage.xml

    r43532 r43655  
    19251925                            [--controller &lt;LsiLogic|LSILogicSAS|BusLogic|
    19261926                                          IntelAhci|PIIX3|PIIX4|ICH6|I82078&gt;]
    1927                             [--sataideemulation&lt;1-4&gt; &lt;1-30&gt;]
    19281927                            [--sataportcount &lt;1-30&gt;]
    19291928                            [--hostiocache on|off]
     
    19631962            <para>Allows to choose the type of chipset being emulated for the
    19641963            given storage controller.</para>
    1965           </glossdef>
    1966         </glossentry>
    1967 
    1968         <glossentry>
    1969           <glossterm>sataideemulation</glossterm>
    1970 
    1971           <glossdef>
    1972             <para>This specifies which SATA ports should operate in IDE
    1973             emulation mode. As explained in <xref
    1974             linkend="harddiskcontrollers" />, by default, this is the case for
    1975             SATA ports 1-4; with this command, you can map four IDE channels
    1976             to any of the 30 supported SATA ports.</para>
    19771964          </glossdef>
    19781965        </glossentry>
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