diff --git a/sys/dev/acpica/acpi_pcib.c b/sys/dev/acpica/acpi_pcib.c
index 8eeda8e3d623..93926899f8d5 100644
--- a/sys/dev/acpica/acpi_pcib.c
+++ b/sys/dev/acpica/acpi_pcib.c
@@ -275,8 +275,9 @@ acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin,
      * XXX check ASL examples to see if this is an acceptable set of tests
      */
     if (NumberOfInterrupts == 1 && Interrupts[0] != 0) {
-	device_printf(pcib, "slot %d INT%c is routed to irq %d\n",
-		      pci_get_slot(dev), 'A' + pin, Interrupts[0]);
+	if (bootverbose)
+	    device_printf(pcib, "slot %d INT%c is routed to irq %d\n",
+		pci_get_slot(dev), 'A' + pin, Interrupts[0]);
 	interrupt = Interrupts[0];
 	goto out;
     }
@@ -338,10 +339,12 @@ acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin,
      * Build a resource buffer and pass it to AcpiSetCurrentResources to
      * route the new interrupt.
      */
-    device_printf(pcib, "possible interrupts:");
-    for (i = 0; i < NumberOfInterrupts; i++)
-	printf("  %d", Interrupts[i]);
-    printf("\n");
+    if (bootverbose) {
+	device_printf(pcib, "possible interrupts:");
+	for (i = 0; i < NumberOfInterrupts; i++)
+	    printf("  %d", Interrupts[i]);
+	printf("\n");
+    }
 
     /* This should never happen. */
     if (crsbuf.Pointer != NULL)
@@ -383,9 +386,9 @@ acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin,
     crsres = &resbuf;
     
     /* Return the interrupt we just routed. */
-    device_printf(pcib, "slot %d INT%c routed to irq %d via %s\n", 
-		  pci_get_slot(dev), 'A' + pin, Interrupts[0],
-		  acpi_name(lnkdev));
+    if (bootverbose)
+	device_printf(pcib, "slot %d INT%c routed to irq %d via %s\n",
+	    pci_get_slot(dev), 'A' + pin, Interrupts[0], acpi_name(lnkdev));
     interrupt = Interrupts[0];
 
 out:
diff --git a/sys/dev/firewire/fwohci_pci.c b/sys/dev/firewire/fwohci_pci.c
index b1ee33d1ee9b..5331629b97b3 100644
--- a/sys/dev/firewire/fwohci_pci.c
+++ b/sys/dev/firewire/fwohci_pci.c
@@ -187,8 +187,9 @@ fwohci_pci_probe( device_t dev )
 	if (pci_get_class(dev) == PCIC_SERIALBUS
 			&& pci_get_subclass(dev) == PCIS_SERIALBUS_FW
 			&& pci_get_progif(dev) == PCI_INTERFACE_OHCI) {
-		device_printf(dev, "vendor=%x, dev=%x\n", pci_get_vendor(dev),
-			pci_get_device(dev));
+		if (bootverbose)
+			device_printf(dev, "vendor=%x, dev=%x\n",
+			    pci_get_vendor(dev), pci_get_device(dev));
 		device_set_desc(dev, "1394 Open Host Controller Interface");
 		return 0;
 	}
diff --git a/sys/dev/pci/pci_pci.c b/sys/dev/pci/pci_pci.c
index 40e1934029a6..43114d774199 100644
--- a/sys/dev/pci/pci_pci.c
+++ b/sys/dev/pci/pci_pci.c
@@ -475,7 +475,7 @@ pcib_route_interrupt(device_t pcib, device_t dev, int pin)
      */
     bus = device_get_parent(pcib);
     intnum = PCIB_ROUTE_INTERRUPT(device_get_parent(bus), pcib, parent_intpin + 1);
-    if (PCI_INTERRUPT_VALID(intnum)) {
+    if (PCI_INTERRUPT_VALID(intnum) && bootverbose) {
 	device_printf(pcib, "slot %d INT%c is routed to irq %d\n",
 	    pci_get_slot(dev), 'A' + pin - 1, intnum);
     }
diff --git a/sys/dev/random/randomdev.c b/sys/dev/random/randomdev.c
index a88e4a913b91..7c5434e44626 100644
--- a/sys/dev/random/randomdev.c
+++ b/sys/dev/random/randomdev.c
@@ -200,7 +200,9 @@ random_modevent(module_t mod __unused, int type, void *data __unused)
 		random_ident_hardware(&random_systat);
 		(*random_systat.init)();
 
-		printf("random: <entropy source, %s>\n", random_systat.ident);
+		if (bootverbose)
+			printf("random: <entropy source, %s>\n",
+			    random_systat.ident);
 
 		random_dev = make_dev(&random_cdevsw, RANDOM_MINOR,
 		    UID_ROOT, GID_WHEEL, 0666, "random");
diff --git a/sys/i386/i386/i686_mem.c b/sys/i386/i386/i686_mem.c
index ce8737a7bf7e..453932969e06 100644
--- a/sys/i386/i386/i686_mem.c
+++ b/sys/i386/i386/i686_mem.c
@@ -548,7 +548,8 @@ i686_mrinit(struct mem_range_softc *sc)
 	return;
     }
     nmdesc = mtrrcap & 0xff;
-    printf("Pentium Pro MTRR support enabled\n");
+    if (bootverbose)
+	printf("Pentium Pro MTRR support enabled\n");
 
     /* If fixed MTRRs supported and enabled */
     if ((mtrrcap & 0x100) && (mtrrdef & 0x400)) {
diff --git a/sys/i386/i386/mptable.c b/sys/i386/i386/mptable.c
index 262d336e261d..b4e309f2f530 100644
--- a/sys/i386/i386/mptable.c
+++ b/sys/i386/i386/mptable.c
@@ -965,7 +965,8 @@ mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin)
 		    'A' + pin);
 		return (PCI_INVALID_IRQ);
 	}
-	device_printf(pcib, "slot %d INT%c routed to irq %d\n", slot, 'A' + pin,
-	    args.vector);
+	if (bootverbose)
+		device_printf(pcib, "slot %d INT%c routed to irq %d\n", slot,
+		    'A' + pin, args.vector);
 	return (args.vector);
 }
diff --git a/sys/i386/isa/vesa.c b/sys/i386/isa/vesa.c
index 80f9055f530a..65739aa8de17 100644
--- a/sys/i386/isa/vesa.c
+++ b/sys/i386/isa/vesa.c
@@ -1513,22 +1513,26 @@ vesa_bios_info(int level)
 	int i;
 #endif
 
-	/* general adapter information */
-	printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 
-	       ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 
-		   + ((vesa_adp_info->v_version & 0x0f00) >> 8),
-	       ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 
-		   + (vesa_adp_info->v_version & 0x000f),
-	       vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags,
-	       vesa_vmodetab, vesa_adp_info->v_modetable);
-	/* OEM string */
-	if (vesa_oemstr != NULL)
-		printf("VESA: %s\n", vesa_oemstr);
+	if (bootverbose) {
+		/* general adapter information */
+		printf(
+	"VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 
+		    ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 +
+		    ((vesa_adp_info->v_version & 0x0f00) >> 8),
+		    ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 +
+		    (vesa_adp_info->v_version & 0x000f),
+		    vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags,
+		    vesa_vmodetab, vesa_adp_info->v_modetable);
+
+		/* OEM string */
+		if (vesa_oemstr != NULL)
+			printf("VESA: %s\n", vesa_oemstr);
+	}
 
 	if (level <= 0)
 		return 0;
 
-	if (vesa_adp_info->v_version >= 0x0200) {
+	if (vesa_adp_info->v_version >= 0x0200 && bootverbose) {
 		/* vender name, product name, product revision */
 		printf("VESA: %s %s %s\n",
 			(vesa_venderstr != NULL) ? vesa_venderstr : "unknown",
diff --git a/sys/i386/pci/pci_cfgreg.c b/sys/i386/pci/pci_cfgreg.c
index bd3d5a6990b7..5cde7d266b8b 100644
--- a/sys/i386/pci/pci_cfgreg.c
+++ b/sys/i386/pci/pci_cfgreg.c
@@ -106,8 +106,8 @@ pci_cfgregopen(void)
 
 	v = pcibios_get_version();
 	if (v > 0)
-		printf("pcibios: BIOS version %x.%02x\n", (v & 0xff00) >> 8,
-		    v & 0xff);
+		PRVERB(("pcibios: BIOS version %x.%02x\n", (v & 0xff00) >> 8,
+		    v & 0xff));
 	mtx_init(&pcicfg_mtx, "pcicfg", NULL, MTX_SPIN);
 	opened = 1;
 
diff --git a/sys/i386/pci/pci_pir.c b/sys/i386/pci/pci_pir.c
index 99b8749ee9b5..9577c955a30a 100644
--- a/sys/i386/pci/pci_pir.c
+++ b/sys/i386/pci/pci_pir.c
@@ -525,8 +525,9 @@ pci_pir_route_interrupt(int bus, int device, int func, int pin)
 		BUS_CONFIG_INTR(pir_device, pci_link->pl_irq,
 		    INTR_TRIGGER_LEVEL, INTR_POLARITY_LOW);
 	}
-	printf("$PIR: %d:%d INT%c routed to irq %d\n", bus, device,
-	    pin - 1 + 'A', pci_link->pl_irq);
+	if (bootverbose)
+		printf("$PIR: %d:%d INT%c routed to irq %d\n", bus, device,
+		    pin - 1 + 'A', pci_link->pl_irq);
 	return (pci_link->pl_irq);
 }
 
diff --git a/sys/kern/kern_linker.c b/sys/kern/kern_linker.c
index fe339dd7270e..4ad549eec183 100644
--- a/sys/kern/kern_linker.c
+++ b/sys/kern/kern_linker.c
@@ -1171,8 +1171,9 @@ linker_preload(void *arg)
 			    modptr);
 			continue;
 		}
-		printf("Preloaded %s \"%s\" at %p.\n", modtype, modname,
-		    modptr);
+		if (bootverbose)
+			printf("Preloaded %s \"%s\" at %p.\n", modtype, modname,
+			    modptr);
 		lf = NULL;
 		TAILQ_FOREACH(lc, &classes, link) {
 			error = LINKER_LINK_PRELOAD(lc, modname, &lf);