Index: uspace/drv/ohci/hc.c
===================================================================
--- uspace/drv/ohci/hc.c	(revision f1d166636b968e034c8845b09fee5d34b4fb76f8)
+++ uspace/drv/ohci/hc.c	(revision bba0dc20841373cf3463646fed05e54aeaf9ce11)
@@ -110,4 +110,5 @@
 	    ret, str_error(ret));
 
+	list_initialize(&instance->pending_batches);
 	usb_device_keeper_init(&instance->manager);
 	ret = usb_endpoint_manager_init(&instance->ep_manager,
@@ -116,9 +117,12 @@
 	    str_error(ret));
 
-	hc_gain_control(instance);
 	ret = hc_init_memory(instance);
 	CHECK_RET_RETURN(ret, "Failed to create OHCI memory structures: %s.\n",
 	    str_error(ret));
+#undef CHECK_RET_RETURN
+
+
 //	hc_init_hw(instance);
+	hc_gain_control(instance);
 	fibril_mutex_initialize(&instance->guard);
 
@@ -131,6 +135,4 @@
 	}
 
-	list_initialize(&instance->pending_batches);
-#undef CHECK_RET_RETURN
 	return EOK;
 }
@@ -338,6 +340,9 @@
 	    (uint32_t*)((char*)instance->registers + 0x100);
 	usb_log_debug("OHCI legacy register %p: %x.\n",
-		ohci_emulation_reg, *ohci_emulation_reg);
-	*ohci_emulation_reg &= ~0x1;
+	    ohci_emulation_reg, *ohci_emulation_reg);
+	/* Do not change A20 state */
+	*ohci_emulation_reg &= 0x100;
+	usb_log_debug("OHCI legacy register %p: %x.\n",
+	    ohci_emulation_reg, *ohci_emulation_reg);
 
 	/* Interrupt routing enabled => smm driver is active */