Added the TriGem Richmond.

src/chipset/intel_piix.c

@@ -1578,7 +1578,16 @@ piix_init(const device_t *info)
         dev->acpi = device_add(&acpi_intel_device);
         acpi_set_slot(dev->acpi, dev->pci_slot);
         acpi_set_nvr(dev->acpi, dev->nvr);
-        acpi_set_gpireg2_default(dev->acpi, (dev->type > 4) ? 0xf1 : 0xdd);
+        /*
+           TriGem Richmond:
+           - Bit 5: Manufacturing jumper, must be set;
+           - Bit 4: CMOS clear jumper, must be clear;
+           - Bit 0: Password switch, must be clear.
+         */
+        if (!strcmp(machine_get_internal_name(), "richmond"))
+            acpi_set_gpireg2_default(dev->acpi, 0xee);
+        else
+            acpi_set_gpireg2_default(dev->acpi, (dev->type > 4) ? 0xf1 : 0xdd);
         acpi_set_trap_update(dev->acpi, piix_trap_update, dev);
 
         dev->ddma = device_add(&ddma_device);

src/include/86box/machine.h

@@ -679,6 +679,7 @@ extern int machine_at_thunderbolt_init(const machine_t *);
 extern int machine_at_mb540n_init(const machine_t *);
 extern int machine_at_56a5_init(const machine_t *);
 extern int machine_at_p5mms98_init(const machine_t *);
+extern int machine_at_richmond_init(const machine_t *);
 
 extern int machine_at_ficva502_init(const machine_t *);
 

src/machine/m_at_socket7.c

@@ -1014,6 +1014,38 @@ machine_at_p5mms98_init(const machine_t *model)
     return ret;
 }
 
+int
+machine_at_richmond_init(const machine_t *model)
+{
+    int ret;
+
+    ret = bios_load_linear("roms/machines/richmond/RICHMOND.ROM",
+                           0x000e0000, 131072, 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); /* PIIX4 */
+    pci_register_slot(0x11, PCI_CARD_NORMAL,      1, 2, 3, 4);
+    pci_register_slot(0x12, PCI_CARD_NORMAL,      2, 3, 4, 1);
+    pci_register_slot(0x13, PCI_CARD_NORMAL,      3, 4, 1, 2);
+    pci_register_slot(0x14, PCI_CARD_NORMAL,      4, 1, 2, 3);
+    device_add(&i430tx_device);
+    device_add(&piix4_device);
+    device_add(&keyboard_ps2_ami_pci_device);
+    device_add(&it8671f_device);
+    device_add(&intel_flash_bxt_device);
+    spd_register(SPD_TYPE_SDRAM, 0x3, 128);
+    device_add(&lm78_device);      /* fans: Thermal, CPU, Chassis; temperature: unused */
+    device_add(&lm75_1_4a_device); /* temperature: CPU */
+
+    return ret;
+}
+
 int
 machine_at_ficva502_init(const machine_t *model)
 {

src/machine/machine_table.c

@@ -10950,6 +10950,46 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
+    /* [TEST] Has AMIKey 'H' KBC firmware. */
+    {
+        .name = "[i430TX] TriGem Richmond",
+        .internal_name = "richmond",
+        .type = MACHINE_TYPE_SOCKET7,
+        .chipset = MACHINE_CHIPSET_INTEL_430TX,
+        .init = machine_at_richmond_init,
+        .p1_handler = NULL,
+        .gpio_handler = NULL,
+        .available_flag = MACHINE_AVAILABLE,
+        .gpio_acpi_handler = NULL,
+        .cpu = {
+            .package = CPU_PKG_SOCKET5_7,
+            .block = CPU_BLOCK_NONE,
+            .min_bus = 50000000,
+            .max_bus = 66666667,
+            .min_voltage = 2100,
+            .max_voltage = 3520,
+            .min_multi = 1.5,
+            .max_multi = 3.0
+        },
+        .bus_flags = MACHINE_PS2_PCI,
+        .flags = MACHINE_IDE_DUAL | MACHINE_APM | MACHINE_ACPI,
+        .ram = {
+            .min = 8192,
+            .max = 262144,
+            .step = 8192
+        },
+        .nvrmask = 255,
+        .kbc_device = NULL,
+        .kbc_p1 = 0xff,
+        .gpio = 0xffffffff,
+        .gpio_acpi = 0xffffffff,
+        .device = NULL,
+        .fdc_device = NULL,
+        .sio_device = NULL,
+        .vid_device = NULL,
+        .snd_device = NULL,
+        .net_device = NULL
+    },
 
     /* Apollo VPX */
     /* Has the VIA VT82C586B southbridge with on-chip KBC identical to the VIA