Dell Latitude VMware internal speaker beep shut off

Marc Olzheim marcolz at stack.nl
Fri Nov 23 23:09:34 PST 2007


On Wed, Nov 21, 2007 at 07:00:09AM -0800, William Evanson wrote:
> Here is what I found out from VMWare about this.  I would still like to know if FreeBSD has a way of controlling this device?

What we did at work when we had this problem (with FreeBSD 4.x) is
disabling the beep in /usr/src/sys/boot/i386/boot0/boot0.S

--- /usr/src/sys/boot/i386/boot0/boot0.S	Thu Jun 17 14:02:25 2004
+++ /usr/src/sys/boot/i386/boot0/boot0.S	Thu Oct  7 13:23:08 2004
@@ -38,7 +38,6 @@
 		.set KEY_F1,0x3b		# F1 key scan code
 		.set KEY_1,0x02			# #1 key scan code
 
-		.set ASCII_BEL,0x07		# ASCII code for <BEL>
 		.set ASCII_CR,0x0D		# ASCII code for <CR>
 
 /*
@@ -203,9 +202,7 @@
 /*
  * Start of input loop.  Beep and take note of time
  */
-main.10:	movb $ASCII_BEL,%al		# Signal
-		callw putchr			#  beep!
-		xorb %ah,%ah			# BIOS: Get
+main.10:	xorb %ah,%ah			# BIOS: Get
 		int $0x1a			#  system time
 		movw %dx,%di			# Ticks when
 		addw _TICKS(%bp),%di		#  timeout

Marc
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