diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index 6834334f3..0ba5b6f9c 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -1316,6 +1316,7 @@ extern int             machine_at_cuv4xls_init(const machine_t *);
 extern const device_t  ms6318_device;
 #endif
 extern int             machine_at_ms6318_init(const machine_t *);
+extern int             machine_at_cairo5_init(const machine_t *);
 
 /* m_at_misc.c */
 extern int             machine_at_vpc2007_init(const machine_t *);
diff --git a/src/machine/m_at_socket370.c b/src/machine/m_at_socket370.c
index dafca0104..ee75752db 100644
--- a/src/machine/m_at_socket370.c
+++ b/src/machine/m_at_socket370.c
@@ -618,3 +618,34 @@ machine_at_ms6318_init(const machine_t *model)
 
     return ret;
 }
+
+int
+machine_at_cairo5_init(const machine_t *model)
+{
+    int ret;
+
+    ret = bios_load_linear("roms/machines/cairo5/08BV.BIN",
+                           0x000c0000, 262144, 0);
+
+    if (bios_only || !ret)
+        return ret;
+
+    machine_at_common_init_ex(model, 2);
+
+    pci_init(PCI_CONFIG_TYPE_1);
+    pci_register_slot(0x00, PCI_CARD_NORTHBRIDGE, 0, 0, 0, 0);
+    pci_register_slot(0x07, PCI_CARD_SOUTHBRIDGE, 1, 2, 3, 4);
+    pci_register_slot(0x0E, PCI_CARD_NORMAL,      1, 2, 3, 0);
+    pci_register_slot(0x0F, PCI_CARD_NORMAL,      2, 3, 0, 1);
+    pci_register_slot(0x10, PCI_CARD_NORMAL,      3, 0, 1, 2);
+    pci_register_slot(0x11, PCI_CARD_NORMAL,      0, 1, 2, 3);
+    pci_register_slot(0x12, PCI_CARD_NORMAL,      2, 3, 4, 1);
+    pci_register_slot(0x01, PCI_CARD_AGPBRIDGE,   1, 2, 3, 4);
+
+    device_add(&via_apro133a_device);
+    device_add(&via_vt82c686b_device);
+    device_add(&winbond_flash_w29c020_device);
+    spd_register(SPD_TYPE_SDRAM, 0x7, 1024);
+
+    return ret;
+}
\ No newline at end of file
diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index fb024c2b0..a60acfdc8 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -19915,6 +19915,51 @@ const machine_t machines[] = {
         .snd_device               = &ct5880_onboard_device,
         .net_device               = NULL
     },
+    /* Has the VIA VT82C686B southbridge with on-chip KBC identical to the VIA
+       VT82C42N. */
+    {
+        .name              = "[VIA Apollo Pro 133A] Samsung CAIRO-5 (MSI MS-6309)",
+        .internal_name     = "cairo5",
+        .type              = MACHINE_TYPE_SOCKET370,
+        .chipset           = MACHINE_CHIPSET_VIA_APOLLO_PRO_133A,
+        .init              = machine_at_cairo5_init,
+        .p1_handler        = machine_generic_p1_handler,
+        .gpio_handler      = NULL,
+        .available_flag    = MACHINE_AVAILABLE,
+        .gpio_acpi_handler = NULL,
+        .cpu               = {
+            .package     = CPU_PKG_SOCKET370,
+            .block       = CPU_BLOCK_NONE,
+            .min_bus     = 66666667,
+            .max_bus     = 150000000,
+            .min_voltage = 1300,
+            .max_voltage = 3500,
+            .min_multi   = MACHINE_MULTIPLIER_FIXED,
+            .max_multi   = MACHINE_MULTIPLIER_FIXED
+        },
+        .bus_flags = MACHINE_PS2_A97 | MACHINE_BUS_USB,
+        .flags     = MACHINE_IDE_DUAL | MACHINE_APM | MACHINE_ACPI | MACHINE_USB,
+        .ram       = {
+            .min  = 16384,
+            .max  = 3145728,
+            .step = 8192
+        },
+        .nvrmask                  = 255,
+        .jumpered_ecp_dma         = 0,
+        .default_jumpered_ecp_dma = -1,
+        .kbc_device               = NULL,
+        .kbc_params               = 0x00000000,
+        .kbc_p1                   = 0x00000cf0,
+        .gpio                     = 0xffffffff,
+        .gpio_acpi                = 0xffffffff,
+        .device                   = NULL,
+        .kbd_device               = NULL,
+        .fdc_device               = NULL,
+        .sio_device               = NULL,
+        .vid_device               = NULL,
+        .snd_device               = NULL,
+        .net_device               = NULL
+    },
 
     /* Miscellaneous/Fake/Hypervisor machines */
     /* Has a Winbond W83977F Super I/O chip with on-chip KBC with AMIKey-2 KBC