diff -Naur src/drivers/disk/ablk.c src/drivers/disk/ablk.c
--- src/drivers/disk/ablk.c	2005-01-07 16:25:34.540100128 +1100
+++ src/drivers/disk/ablk.c	2005-01-07 16:28:05.243189776 +1100
@@ -216,7 +216,7 @@
 io_thread( void *dummy ) 
 {
 	char ch;
-	setpriority( PRIO_PROCESS, getpid(), -19 );
+	/* setpriority( PRIO_PROCESS, getpid(), -19 ); */
 
 	for( ;; ) {
 		read( ablk.ctrl_pipe[0], &ch, 1 );
diff -Naur src/drivers/osi_sound.c src/drivers/osi_sound.c
--- src/drivers/osi_sound.c	2005-01-07 16:25:34.491107576 +1100
+++ src/drivers/osi_sound.c	2005-01-07 16:27:30.586458400 +1100
@@ -676,7 +676,7 @@
 static void
 audio_thread( void *dummy )
 {
-	setpriority( PRIO_PROCESS, getpid(), -20 );
+	/* setpriority( PRIO_PROCESS, getpid(), -20 ); */
 
 	LOCK;
 	if( ss.ringbuf )
@@ -695,7 +695,7 @@
 		ss.startboingbuf = NULL;
 	}
 	UNLOCK;
-	setpriority( PRIO_PROCESS, getpid(), 0 );
+	/* setpriority( PRIO_PROCESS, getpid(), 0 ); */
 }
 
 
@@ -770,7 +770,7 @@
 	ss.started = 0;
 
 	LOCK;
-	setpriority( PRIO_PROCESS, getpid(), ss.save_priority );
+	/* setpriority( PRIO_PROCESS, getpid(), ss.save_priority ); */
 
 	ss.thread_running = -1;
 	irq_line_low( ss.irq );
@@ -795,7 +795,7 @@
 	ss.dbuf_go = 0;
 
 	ss.save_priority = getpriority( PRIO_PROCESS, pid );
-	setpriority( PRIO_PROCESS, pid, -12 );
+	/* setpriority( PRIO_PROCESS, pid, -12 ); */
 
 	if( ss.thread_running ) {
 		/* jump start already running thread */
diff -Naur src/main/async.c src/main/async.c
--- src/main/async.c	2005-01-07 16:25:34.661081736 +1100
+++ src/main/async.c	2005-01-07 16:26:15.242912360 +1100
@@ -191,7 +191,7 @@
 	char ack_char;
 
 	/* Increase priority to reduce latency */
-	setpriority( PRIO_PROCESS, getpid(), -17 );
+	/* setpriority( PRIO_PROCESS, getpid(), -17 ); */
 
 	while( !cancel_poll_thread ) {
 		if( (num_pending=poll(ufds, num_poll, -1)) < 0 ) {