diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 84d82bc..9ec8268 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1859,6 +1859,18 @@ static Aml *build_q35_osc_method(void)
     return method;
 }
 
+static void build_smb0(Aml *table, I2CBus *smbus, int devnr, int func)
+{
+    Aml *scope = aml_scope("_SB.PCI0");
+    Aml *dev = aml_device("SMB0");
+
+    aml_append(dev, aml_name_decl("_HID", aml_eisaid("APP0005")));
+    aml_append(dev, aml_name_decl("_ADR", aml_int(devnr << 16 | func)));
+    build_acpi_ipmi_devices(dev, BUS(smbus), "\\_SB.PCI0.SMB0");
+    aml_append(scope, dev);
+    aml_append(table, scope);
+}
+
 static void
 build_dsdt(GArray *table_data, BIOSLinker *linker,
            AcpiPmInfo *pm, AcpiMiscInfo *misc,
@@ -1910,6 +1922,9 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
         build_q35_isa_bridge(dsdt);
         build_isa_devices_aml(dsdt);
         build_q35_pci0_int(dsdt);
+        if (pcms->smbus && !pcmc->do_not_add_smb_acpi) {
+            build_smb0(dsdt, pcms->smbus, ICH9_SMB_DEV, ICH9_SMB_FUNC);
+        }
     }
 
     if (pcmc->legacy_cpu_hotplug) {
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 7e87ef0..2a7ae72 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -276,15 +276,14 @@ static void pc_init1(MachineState *machine,
 
     if (pcmc->pci_enabled && acpi_enabled) {
         DeviceState *piix4_pm;
-        I2CBus *smbus;
 
         smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0);
         /* TODO: Populate SPD eeprom data.  */
-        smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
-                              pcms->gsi[9], smi_irq,
-                              pc_machine_is_smm_enabled(pcms),
-                              &piix4_pm);
-        smbus_eeprom_init(smbus, 8, NULL, 0);
+        pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
+                                    pcms->gsi[9], smi_irq,
+                                    pc_machine_is_smm_enabled(pcms),
+                                    &piix4_pm);
+        smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
 
         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
                                  TYPE_HOTPLUG_HANDLER,
@@ -489,6 +488,7 @@ static void pc_i440fx_2_6_machine_options(MachineClass *m)
     pc_i440fx_2_7_machine_options(m);
     pcmc->legacy_cpu_hotplug = true;
     pcmc->linuxboot_dma_enabled = false;
+    pcmc->do_not_add_smb_acpi = true;
     SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
 }
 
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 6e4bf1a..0777bb3 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -258,10 +258,10 @@ static void pc_q35_init(MachineState *machine)
 
     if (pcms->smbus_enabled) {
         /* TODO: Populate SPD eeprom data.  */
-        smbus_eeprom_init(ich9_smb_init(host_bus,
-                                        PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
-                                        0xb100),
-                          8, NULL, 0);
+        pcms->smbus = ich9_smb_init(host_bus,
+                                    PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
+                                    0xb100);
+        smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
     }
 
     pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
@@ -358,6 +358,7 @@ static void pc_q35_2_6_machine_options(MachineClass *m)
     pc_q35_2_7_machine_options(m);
     pcmc->legacy_cpu_hotplug = true;
     pcmc->linuxboot_dma_enabled = false;
+    pcmc->do_not_add_smb_acpi = true;
     SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
 }
 
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 713aa33..5b19d10 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -39,6 +39,7 @@ struct PCMachineState {
     HotplugHandler *acpi_dev;
     ISADevice *rtc;
     PCIBus *bus;
+    I2CBus *smbus;
     FWCfgState *fw_cfg;
     qemu_irq *gsi;
 
@@ -122,6 +123,7 @@ struct PCMachineClass {
     bool rsdp_in_ram;
     int legacy_acpi_table_size;
     unsigned acpi_data_size;
+    bool do_not_add_smb_acpi;
 
     /* SMBIOS compat: */
     bool smbios_defaults;
