From c03b0f0fd86d0d8883528754b24de49b63935c7f Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 3 Sep 2006 14:10:53 +0000
Subject: allow disabling of serial or parallel devices (Stefan Weil)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2141 c046a42c-6fe2-441c-8c8c-71466251a162
---
 qemu-doc.texi | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'qemu-doc.texi')

diff --git a/qemu-doc.texi b/qemu-doc.texi
index 3bf3b5c..144381f 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -506,12 +506,16 @@ Redirect the virtual serial port to host character device
 This option can be used several times to simulate up to 4 serials
 ports.
 
+Use @code{-serial none} to disable all serial ports.
+
 Available character devices are:
 @table @code
 @item vc
 Virtual console
 @item pty
 [Linux only] Pseudo TTY (a new PTY is automatically allocated)
+@item none
+No device is allocated.
 @item null
 void device
 @item /dev/XXX
@@ -593,6 +597,8 @@ parallel port.
 This option can be used several times to simulate up to 3 parallel
 ports.
 
+Use @code{-parallel none} to disable all parallel ports.
+
 @item -monitor dev
 Redirect the monitor to host device @var{dev} (same devices as the
 serial port).
-- 
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