misc/74777: Bootup "beep" in 5.3 should be disabled by default

[Carsten Zimmermann]

>Number:         74777
>Category:       misc
>Synopsis:       Bootup "beep" in 5.3 should be disabled by default
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Mon Dec 06 15:30:17 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Carsten Zimmermann
>Release:        5.3-RELEASE
>Organization:
>Environment:
FreeBSD celeborn.bbk.hh.aegisnet.de 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Wed Nov 24 13:44:55 CET 2004    root at celeborn.bbk.hh.aegisnet.de:/usr/src/sys/i386/compile/CELEBORN  i386
>Description:
The 5.3-RELEASE CD installation comes with a somewhat annoying "beep" when the boot loader prompts. It has been discussed in -mobile (Msg-ID 41AD9D12.2020506 at hacksocke.de) and it seemed to be consensus to have this beep disabled by default.
>How-To-Repeat:
Reboot your 5.3-R ;)
>Fix:
The following patch is credit to Mark Diekhans:

--- sys/boot/i386/boot0/boot0.S.ORIG	Thu Nov 18 08:20:08 2004
+++ sys/boot/i386/boot0/boot0.S	Thu Nov 18 08:23:04 2004
@@ -204,7 +204,9 @@
  * Start of input loop.  Beep and take note of time
  */
 main.10:	movb $ASCII_BEL,%al		# Signal
+#if 0 /* MED:    bell is annoying */
 		callw putchr			#  beep!
+#endif
 		xorb %ah,%ah			# BIOS: Get
 		int $0x1a			#  system time
 		movw %dx,%di			# Ticks when
>Release-Note:
>Audit-Trail:
>Unformatted: