en_US

Timestamp:

Mar 9, 2018 4:10:13 PM (7 years ago)

Author:

vboxsync

Message:

Manual: Added note about old OSes being possibly upset by ATAPI CD-ROMs.

File:

trunk/doc/manual/en_US/user_KnownIssues.xml

-              r69633
+              r71291
           due to inherent limitations of the OS/2 graphics system.</para>
         </listitem>
+        <listitem>
+          <para>Some guest operating systems pre-dating ATAPI CD-ROMs may exhibit
+          long delays or entirely fail to boot in certain configurations. This is
+          most likely to happen when an IDE/ATAPI CD-ROM exists alone on a primary
+          or secondary IDE channel.</para>
+          <para>One of the affected operating systems is MS OS/2 1.21 (fails to boot
+          with an error message referencing COUNTRY.SYS) and MS OS/2 1.3 (long delays).
+          To avoid such problems, disable the emulated IDE/ATAPI CD-ROM; the guest OS
+          cannot use it anyway.</para>
+        </listitem>
       </itemizedlist>
     </sect1>

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