diff --git a/headers/os/drivers/PCI.h b/headers/os/drivers/PCI.h
index 1210349995..dd3db1ea48 100644
--- a/headers/os/drivers/PCI.h
+++ b/headers/os/drivers/PCI.h
@@ -644,6 +644,8 @@ struct pci_module_info {
 
 #define PCI_address_io_mask		0xFFFFFFFC	/* mask to get i/o space base address */
 
+#define PCI_range_memory_mask	0xFFFFFFF0	/* mask to get memory ranges */
+
 
 /* ---
 	masks for flags in expansion rom base address registers
@@ -686,7 +688,7 @@ struct pci_module_info {
 #define PCI_cap_id_msi		0x05      /* Message signalled interrupt */
 #define PCI_cap_id_chswp	0x06      /* Compact PCI HotSwap */
 #define PCI_cap_id_pcix		0x07      /* PCI-X */
-#define PCI_cap_id_ldt		0x08
+#define PCI_cap_id_ht		0x08	  /* HyperTransport */
 #define PCI_cap_id_vendspec	0x09
 #define PCI_cap_id_debugport	0x0a
 #define PCI_cap_id_cpci_rsrcctl 0x0b
@@ -773,6 +775,52 @@ struct pci_module_info {
 #define PCI_msi_control_mmc_16		0x0008
 #define PCI_msi_control_mmc_32		0x000a
 
+/** MSI-X registers **/
+#define PCI_msix_control			0x02
+#define PCI_msix_table				0x04
+#define PCI_msix_pba				0x08
+
+#define PCI_msix_control_table_size	0x07ff
+#define PCI_msix_control_function_mask	0x4000
+#define PCI_msix_control_enable		0x8000
+#define PCI_msix_bir_mask			0x0007
+#define PCI_msix_bir_0				0x10
+#define PCI_msix_bir_1				0x14
+#define PCI_msix_bir_2				0x18
+#define PCI_msix_bir_3				0x1c
+#define PCI_msix_bir_4				0x20
+#define PCI_msix_bir_5				0x24
+#define PCI_msix_offset_mask		0xfff8
+
+#define PCI_msix_vctrl_mask			0x0001
+
+/** HyperTransport registers **/
+#define PCI_ht_command				0x02
+#define PCI_ht_msi_address_low		0x04
+#define PCI_ht_msi_address_high		0x08
+
+#define PCI_ht_command_cap_mask		0xf800
+#define PCI_ht_command_cap_slave	0x0000
+#define PCI_ht_command_cap_host		0x2000
+#define PCI_ht_command_cap_switch	0x4000
+#define PCI_ht_command_cap_interrupt	0x8000
+#define PCI_ht_command_cap_revision_id	0x8800
+#define PCI_ht_command_cap_unit_id_clumping	0x9000
+#define PCI_ht_command_cap_ext_config_space	0x9800
+#define PCI_ht_command_cap_address_mapping	0xa000
+#define PCI_ht_command_cap_msi_mapping	0xa800
+#define PCI_ht_command_cap_direct_route	0xb000
+#define PCI_ht_command_cap_vcset	0xb800
+#define PCI_ht_command_cap_retry_mode	0xc000
+#define PCI_ht_command_cap_x86_encoding	0xc800
+#define PCI_ht_command_cap_gen3		0xd000
+#define PCI_ht_command_cap_fle		0xd800
+#define PCI_ht_command_cap_pm		0xe000
+#define PCI_ht_command_cap_high_node_count	0xe800
+
+#define PCI_ht_command_msi_enable	0x0001
+#define PCI_ht_command_msi_fixed	0x0002
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/add-ons/kernel/bus_managers/pci/pci_info.cpp b/src/add-ons/kernel/bus_managers/pci/pci_info.cpp
index e5758f2d85..f478b7f037 100644
--- a/src/add-ons/kernel/bus_managers/pci/pci_info.cpp
+++ b/src/add-ons/kernel/bus_managers/pci/pci_info.cpp
@@ -310,8 +310,8 @@ get_capability_name(uint8 cap_id)
 			return "CompactPCIHotSwap";
 		case PCI_cap_id_pcix:
 			return "PCI-X";
-		case PCI_cap_id_ldt:
-			return "ldt";
+		case PCI_cap_id_ht:
+			return "HyperTransport";
 		case PCI_cap_id_vendspec:
 			return "vendspec";
 		case PCI_cap_id_debugport: