diff --git a/src/include/86box/video.h b/src/include/86box/video.h
index a83aa9371..01fdb5850 100644
--- a/src/include/86box/video.h
+++ b/src/include/86box/video.h
@@ -388,6 +388,7 @@ extern const device_t gd5426_onboard_isa_device;
 extern const device_t gd5426_onboard_device;
 extern const device_t gd5428_isa_device;
 extern const device_t gd5428_vlb_onboard_device;
+extern const device_t gd5428_vlb_onboard_pb450_device;
 extern const device_t gd5428_vlb_onboard_tandy_device;
 extern const device_t gd5428_vlb_device;
 extern const device_t gd5428_diamond_speedstar_pro_b1_vlb_device;
@@ -410,6 +411,7 @@ extern const device_t gd5434_vlb_device;
 extern const device_t gd5434_pci_device;
 extern const device_t gd5436_pci_device;
 extern const device_t gd5436_onboard_pci_device;
+extern const device_t gd5436_onboard_pci_ics_device;
 extern const device_t gd5440_pci_device;
 extern const device_t gd5440_onboard_pci_device;
 extern const device_t gd5446_pci_device;
diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index 2c22e4079..25fb1c42a 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -11070,7 +11070,7 @@ const machine_t machines[] = {
         .device                   = &sb486pv_device,
         .kbd_device               = NULL,
         .fdc_device               = NULL,
-        .vid_device               = &gd5436_onboard_pci_device,
+        .vid_device               = &gd5436_onboard_pci_ics_device,
         .snd_device               = NULL,
         .net_device               = NULL
     },
@@ -11213,7 +11213,7 @@ const machine_t machines[] = {
         .device                   = &pb450_device,
         .kbd_device               = NULL,
         .fdc_device               = NULL,
-        .vid_device               = &gd5428_vlb_onboard_device,
+        .vid_device               = &gd5428_vlb_onboard_pb450_device,
         .snd_device               = NULL,
         .net_device               = NULL
     },
diff --git a/src/video/vid_ati_mach8.c b/src/video/vid_ati_mach8.c
index 58a54fb48..d4c98294b 100644
--- a/src/video/vid_ati_mach8.c
+++ b/src/video/vid_ati_mach8.c
@@ -7744,6 +7744,40 @@ static const device_config_t mach32_pci_config[] = {
     },
     { .name = "", .description = "", .type = CONFIG_END }
 };
+
+static const device_config_t mach32_pci_onboard_config[] = {
+    {
+        .name           = "ramdac",
+        .description    = "RAMDAC type",
+        .type           = CONFIG_SELECTION,
+        .default_string = NULL,
+        .default_int    = ATI_68860,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = {
+            { .description = "ATI 68860", .value = ATI_68860 },
+            { .description = "ATI 68875", .value = ATI_68875 },
+            { .description = ""                      }
+        },
+        .bios           = { { 0 } }
+    },
+    {
+        .name           = "memory",
+        .description    = "Memory size",
+        .type           = CONFIG_SELECTION,
+        .default_string = NULL,
+        .default_int    = 2048,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = {
+            { .description = "1 MB",   .value = 1024 },
+            { .description = "2 MB",   .value = 2048 },
+            { .description = ""                      }
+        },
+        .bios           = { { 0 } }
+    },
+    { .name = "", .description = "", .type = CONFIG_END }
+};
 // clang-format on
 
 const device_t mach8_vga_isa_device = {
@@ -7827,5 +7861,5 @@ const device_t mach32_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = mach_speed_changed,
     .force_redraw  = mach_force_redraw,
-    .config        = mach32_pci_config
+    .config        = mach32_pci_onboard_config
 };
diff --git a/src/video/vid_cl54xx.c b/src/video/vid_cl54xx.c
index 91ec82912..611909cb0 100644
--- a/src/video/vid_cl54xx.c
+++ b/src/video/vid_cl54xx.c
@@ -4439,6 +4439,8 @@ gd54xx_init(const device_t *info)
                 vram = 1024;
             else if ((id == CIRRUS_ID_CLGD5426) && (info->local & 0x200) && (info->local & 0x1000))
                 vram = 1024;
+            else if ((id == CIRRUS_ID_CLGD5420) && (info->local & 0x200))
+                vram = 512;
             else if (id == CIRRUS_ID_CLGD5401)
                 vram = 256;
             else
@@ -4446,7 +4448,10 @@ gd54xx_init(const device_t *info)
 
             gd54xx->vram_size = vram << 10;
         } else {
-            vram              = device_get_config_int("memory");
+            if ((id == CIRRUS_ID_CLGD5436) && (info->local & 0x200) && (info->local & 0x1000))
+                vram = 1;
+            else
+                vram              = device_get_config_int("memory");
             gd54xx->vram_size = vram << 20;
         }
     }
@@ -4834,6 +4839,25 @@ static const device_config_t gd5426_config[] = {
     { .name = "", .description = "", .type = CONFIG_END }
 };
 
+static const device_config_t gd5428_1mb_config[] = {
+    {
+        .name           = "memory",
+        .description    = "Memory size",
+        .type           = CONFIG_SELECTION,
+        .default_string = NULL,
+        .default_int    = 2048,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = {
+            { .description = "1 MB",   .value = 1024 },
+            { .description = "2 MB",   .value = 2048 },
+            { .description = ""                      }
+        },
+        .bios           = { { 0 } }
+    },
+    { .name = "", .description = "", .type = CONFIG_END }
+};
+
 static const device_config_t gd5429_config[] = {
     {
         .name           = "memory",
@@ -4969,13 +4993,12 @@ static const device_config_t gd5434_onboard_config[] = {
         .description    = "Memory size",
         .type           = CONFIG_SELECTION,
         .default_string = NULL,
-        .default_int    = 4,
+        .default_int    = 2,
         .file_filter    = NULL,
         .spinner        = { 0 },
         .selection      = {
             { .description = "1 MB", .value = 1 },
             { .description = "2 MB", .value = 2 },
-            { .description = "4 MB", .value = 4 },
             { .description = ""                 }
         },
         .bios           = { { 0 } }
@@ -5098,7 +5121,7 @@ const device_t gd5420_onboard_device = {
     .available     = NULL,
     .speed_changed = gd54xx_speed_changed,
     .force_redraw  = gd54xx_force_redraw,
-    .config        = gd542x_config,
+    .config        = NULL,
 };
 
 const device_t gd5422_isa_device = {
@@ -5341,6 +5364,20 @@ const device_t gd5428_onboard_vlb_device = {
     .config        = gd542x_config
 };
 
+const device_t gd5428_vlb_onboard_pb450_device = {
+    .name          = "Cirrus Logic GD5428 (VLB) (On-Board) (PB450)",
+    .internal_name = "cl_gd5428_vlb_onboard_pb450",
+    .flags         = DEVICE_VLB,
+    .local         = CIRRUS_ID_CLGD5428 | 0x200,
+    .init          = gd54xx_init,
+    .close         = gd54xx_close,
+    .reset         = gd54xx_reset,
+    .available     = NULL,
+    .speed_changed = gd54xx_speed_changed,
+    .force_redraw  = gd54xx_force_redraw,
+    .config        = gd5428_1mb_config
+};
+
 const device_t gd5428_vlb_onboard_tandy_device = {
     .name          = "Cirrus Logic GD5428 (VLB) (On-Board) (Tandy)",
     .internal_name = "cl_gd5428_vlb_onboard_tandy",
@@ -5536,7 +5573,21 @@ const device_t gd5436_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = gd54xx_speed_changed,
     .force_redraw  = gd54xx_force_redraw,
-    .config        = gd5434_config
+    .config        = gd5434_onboard_config
+};
+
+const device_t gd5436_onboard_pci_ics_device = {
+    .name          = "Cirrus Logic GD5436 (PCI) (On-Board) (ICS)",
+    .internal_name = "cl_gd5436_onboard_pci_ics",
+    .flags         = DEVICE_PCI,
+    .local         = CIRRUS_ID_CLGD5436 | 0x200 | 0x1000,
+    .init          = gd54xx_init,
+    .close         = gd54xx_close,
+    .reset         = gd54xx_reset,
+    .available     = NULL,
+    .speed_changed = gd54xx_speed_changed,
+    .force_redraw  = gd54xx_force_redraw,
+    .config        = NULL
 };
 
 const device_t gd5436_pci_device = {
diff --git a/src/video/vid_s3.c b/src/video/vid_s3.c
index 37ade5ad1..07573e772 100644
--- a/src/video/vid_s3.c
+++ b/src/video/vid_s3.c
@@ -11606,6 +11606,14 @@ s3_init(const device_t *info)
 
     if (vram)
         vram_size = vram << 20;
+    else if (info->local == S3_86C805_ONBOARD) {
+        vram_size = 1024 << 10;
+        vram = 1;
+    }
+    else if (info->local == S3_PHOENIX_TRIO32_ONBOARD) {
+        vram_size = 1024 << 10;
+        vram = 1;
+    }
     else
         vram_size = 512 << 10;
 
@@ -12651,6 +12659,36 @@ static const device_config_t s3_trio64v_config[] = {
     { .name = "", .description = "", .type = CONFIG_END }
 };
 
+static const device_config_t s3_trio64v_onboard_config[] = {
+    {
+        .name           = "memory",
+        .description    = "Memory size",
+        .type           = CONFIG_SELECTION,
+        .default_string = NULL,
+        .default_int    = 2,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = {
+            { .description = "1 MB", .value = 1 },
+            { .description = "2 MB", .value = 2 },
+            { .description = ""                 }
+        },
+        .bios           = { { 0 } }
+    },
+    {
+        .name           = "colorkey",
+        .description    = "Video chroma-keying",
+        .type           = CONFIG_BINARY,
+        .default_string = NULL,
+        .default_int    = 1,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = { { 0 } },
+        .bios           = { { 0 } }
+    },
+    { .name = "", .description = "", .type = CONFIG_END }
+};
+
 static const device_config_t s3_standard_config[] = {
     {
         .name           = "memory",
@@ -12793,7 +12831,7 @@ const device_t s3_86c805_onboard_vlb_device = {
     .available     = NULL,
     .speed_changed = s3_speed_changed,
     .force_redraw  = s3_force_redraw,
-    .config        = s3_9fx_config
+    .config        = NULL
 };
 
 const device_t s3_spea_mirage_86c805_vlb_device = {
@@ -13172,7 +13210,7 @@ const device_t s3_phoenix_trio32_onboard_vlb_device = {
     .available     = NULL,
     .speed_changed = s3_speed_changed,
     .force_redraw  = s3_force_redraw,
-    .config        = s3_phoenix_trio32_config
+    .config        = NULL
 };
 
 const device_t s3_phoenix_trio32_vlb_device = {
@@ -13200,7 +13238,7 @@ const device_t s3_phoenix_trio32_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = s3_speed_changed,
     .force_redraw  = s3_force_redraw,
-    .config        = s3_phoenix_trio32_config
+    .config        = s3_9fx_config
 };
 
 const device_t s3_phoenix_trio32_pci_device = {
@@ -13270,7 +13308,7 @@ const device_t s3_phoenix_trio64_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = s3_speed_changed,
     .force_redraw  = s3_force_redraw,
-    .config        = s3_standard_config
+    .config        = s3_9fx_config
 };
 
 const device_t s3_phoenix_trio64_pci_device = {
@@ -13312,7 +13350,7 @@ const device_t s3_phoenix_trio64vplus_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = s3_speed_changed,
     .force_redraw  = s3_force_redraw,
-    .config        = s3_trio64v_config
+    .config        = s3_trio64v_onboard_config
 };
 
 const device_t s3_phoenix_trio64vplus_pci_device = {
@@ -13494,5 +13532,5 @@ const device_t s3_trio64v2_dx_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = s3_speed_changed,
     .force_redraw  = s3_force_redraw,
-    .config        = s3_trio64v_config
+    .config        = s3_trio64v_onboard_config
 };
diff --git a/src/video/vid_s3_virge.c b/src/video/vid_s3_virge.c
index b53dd5e8c..88194688e 100644
--- a/src/video/vid_s3_virge.c
+++ b/src/video/vid_s3_virge.c
@@ -5336,6 +5336,10 @@ s3_virge_init(const device_t *info)
     virge->dithering_enabled = device_get_config_int("dithering");
     if (virge->type >= S3_VIRGE_GX2)
         virge->memory_size = 4;
+    else if (virge->type == S3_VIRGE_325 && info->local & 0x100)
+        virge->memory_size = 2;
+    else if (virge->type == S3_VIRGE_DX && info->local & 0x100)
+        virge->memory_size = 2;
     else
         virge->memory_size = device_get_config_int("memory");
 
@@ -5749,6 +5753,43 @@ static const device_config_t s3_virge_config[] = {
     // clang-format on
 };
 
+static const device_config_t s3_virge_onboard_config[] = {
+    // clang-format off
+    {
+        .name           = "bilinear",
+        .description    = "Bilinear filtering",
+        .type           = CONFIG_BINARY,
+        .default_int    = 1,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = { { 0 } },
+        .bios           = { { 0 } }
+    },
+    {
+        .name           = "colorkey",
+        .description    = "Video chroma-keying",
+        .type           = CONFIG_BINARY,
+        .default_string = NULL,
+        .default_int    = 1,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = { { 0 } },
+        .bios           = { { 0 } }
+    },
+    {
+        .name           = "dithering",
+        .description    = "Dithering",
+        .type           = CONFIG_BINARY,
+        .default_int    = 1,
+        .file_filter    = NULL,
+        .spinner        = { 0 },
+        .selection      = { { 0 } },
+        .bios           = { { 0 } }
+    },
+    { .name = "", .description = "", .type = CONFIG_END }
+    // clang-format on
+};
+
 static const device_config_t s3_virge_stb_config[] = {
     // clang-format off
     {
@@ -5933,7 +5974,7 @@ const device_t s3_virge_325_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = s3_virge_speed_changed,
     .force_redraw  = s3_virge_force_redraw,
-    .config        = s3_virge_config
+    .config        = s3_virge_onboard_config
 };
 
 const device_t s3_diamond_stealth_2000_pci_device = {
@@ -6017,7 +6058,7 @@ const device_t s3_virge_375_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = s3_virge_speed_changed,
     .force_redraw  = s3_virge_force_redraw,
-    .config        = s3_virge_config
+    .config        = s3_virge_onboard_config
 };
 
 const device_t s3_diamond_stealth_2000pro_pci_device = {
diff --git a/src/video/vid_tgui9440.c b/src/video/vid_tgui9440.c
index f91fc3f96..426474a76 100644
--- a/src/video/vid_tgui9440.c
+++ b/src/video/vid_tgui9440.c
@@ -4294,7 +4294,7 @@ const device_t tgui9660_onboard_pci_device = {
     .available     = NULL,
     .speed_changed = tgui_speed_changed,
     .force_redraw  = tgui_force_redraw,
-    .config        = tgui96xx_config
+    .config        = tgui9440_config
 };
 
 const device_t tgui9680_pci_device = {