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Remove 7.x reference.

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Approved by: gjb (mentor)
This commit is contained in:
Dru Lavigne 2013-03-04 19:09:01 +00:00
parent 644415b214
commit 74ccdc77f7
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=41085
1 changed files with 2 additions and 29 deletions

31
en_US.ISO8859-1/books/handbook/serialcomms/chapter.xml
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@ -539,30 +539,9 @@
watch for messages while the kernel is booting, or use
<command>/sbin/dmesg</command> to replay the kernel's
boot messages. Look for messages that start with the
characters <literal>uart</literal> for &os;&nbsp;8.0 or
higher, or <literal>sio</literal> for &os;&nbsp;7.4 or
older.</para>
characters <literal>uart</literal>:</para>
<tip><para>To view just the messages that have the word
<literal>uart</literal> or <literal>sio</literal> depending
on the installed version of &os;, use the commands:</para>
<screen>&prompt.root; <userinput>/sbin/dmesg | grep 'uart'</userinput>
&prompt.root; <userinput>/sbin/dmesg | grep 'sio'</userinput></screen>
</tip>
<para>For example, on a &os;&nbsp;7.<replaceable>X</replaceable>
system with four serial ports, these are the serial port
specific kernel boot messages:</para>
<screen>sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
sio2 at 0x3e8-0x3ef irq 5 on isa
sio2: type 16550A
sio3 at 0x2e8-0x2ef irq 9 on isa
sio3: type 16550A</screen>
<screen>&prompt.root; <userinput>/sbin/dmesg | grep 'uart'</userinput></screen>
<para>If the kernel does not recognize all of the serial
ports, configure <filename>/boot/device.hints</filename>.
@ -570,12 +549,6 @@ sio3: type 16550A</screen>
remove lines for devices that do not exist on the
system.</para>
<para>Refer to &man.sio.4; for more information on
configuring serial ports and multiport boards. When using a
configuration file that was previously used for a different
version of &os; be aware that the device flags and the syntax
may have changed between versions.</para>
<note>
<para><literal>port IO_COM1</literal> is a substitution for
<literal>port 0x3f8</literal>, <literal>IO_COM2</literal> is