diff --git a/src/acpi.c b/src/acpi.c
index 112f97476..a6251ce24 100644
--- a/src/acpi.c
+++ b/src/acpi.c
@@ -1253,7 +1253,7 @@ acpi_reg_read_common(int size, uint16_t addr, void *p)
     else if (dev->vendor == VEN_INTEL)
 	ret = acpi_reg_read_intel(size, addr, p);
     else if (dev->vendor == VEN_INTEL_ICH2)
-	ret = acpi_reg_read_intel_ich2(size, addr, p);
+        ret = acpi_reg_read_intel_ich2(size, addr, p);
     else if (dev->vendor == VEN_SMC)
 	ret = acpi_reg_read_smc(size, addr, p);
 
@@ -1275,7 +1275,7 @@ acpi_reg_write_common(int size, uint16_t addr, uint8_t val, void *p)
     else if (dev->vendor == VEN_INTEL)
 	acpi_reg_write_intel(size, addr, val, p);
     else if (dev->vendor == VEN_INTEL_ICH2)
-	acpi_reg_write_intel_ich2(size, addr, val, p);
+        acpi_reg_write_intel_ich2(size, addr, val, p);
     else if (dev->vendor == VEN_SMC)
 	acpi_reg_write_smc(size, addr, val, p);
 }
diff --git a/src/include/86box/chipset.h b/src/include/86box/chipset.h
index 2bcb5318d..578dcef1e 100644
--- a/src/include/86box/chipset.h
+++ b/src/include/86box/chipset.h
@@ -102,11 +102,33 @@ extern const device_t	slc90e66_device;
 
 extern const device_t	ioapic_device;
 
+/* OPTi */
+extern const device_t	opti283_device;
+extern const device_t	opti291_device;
+extern const device_t	opti493_device;
+extern const device_t	opti495_device;
+extern const device_t	opti802g_device;
+extern const device_t	opti822_device;
+extern const device_t	opti895_device;
+
+extern const device_t	opti5x7_device;
+
+/* SiS */
+extern const device_t   rabbit_device;
+extern const device_t	sis_85c401_device;
+extern const device_t	sis_85c460_device;
+extern const device_t	sis_85c461_device;
+extern const device_t	sis_85c471_device;
+extern const device_t	sis_85c496_device;
+extern const device_t	sis_85c496_ls486e_device;
+extern const device_t	sis_85c50x_device;
+extern const device_t	sis_5511_device;
+extern const device_t	sis_5571_device;
+
 /* Intel ICH2 */
 extern const device_t	intel_815ep_device;
 extern const device_t   intel_ich2_device;
 
-
 /* ST */
 extern const device_t	stpc_client_device;
 extern const device_t	stpc_consumer2_device;
@@ -154,5 +176,4 @@ extern const device_t   phoenix_486_jumper_pci_device;
 #if defined(DEV_BRANCH) && defined(USE_OLIVETTI)
 extern const device_t   olivetti_eva_device;
 #endif
-
 #endif	/*EMU_CHIPSET_H*/