This patch increases happiness on a Gigabyte GA-Z68MA-D2H-B3 motherboard.

Reference: /n/sources/patch/applied/southbridge-8086-1c44
Date: Fri Oct 18 23:37:04 CES 2013
Signed-off-by: davide+p9@cs.cmu.edu

--- /sys/src/9/pc/pci.c	Fri Oct 18 23:36:55 2013
+++ /sys/src/9/pc/pci.c	Fri Oct 18 23:36:53 2013
@@ -668,6 +668,7 @@
 	{ 0x8086, 0x3a48, pIIxget, pIIxset },	/* Intel 82801JI */
 	{ 0x8086, 0x2916, pIIxget, pIIxset },	/* Intel 82801? */
 	{ 0x8086, 0x1c02, pIIxget, pIIxset },	/* Intel 6 Series/C200 */
+	{ 0x8086, 0x1c44, pIIxget, pIIxset },	/* Intel 6 Series/Z68 Express */
 	{ 0x8086, 0x1e53, pIIxget, pIIxset },	/* Intel 7 Series/C216 */
 	{ 0x1106, 0x0586, viaget, viaset },	/* Viatech 82C586 */
 	{ 0x1106, 0x0596, viaget, viaset },	/* Viatech 82C596 */